If you are a biking enthusiast, you know how important a derailleur hanger is for the smooth functioning of your bike. A derailleur hanger is a small but crucial component that holds the derailleur in place, allowing you to shift gears effortlessly. However, have you ever wondered if it’s possible to ride a bike without a derailleur hanger?
In this ultimate guide, we will explore the possibility of riding a bike without a derailleur hanger and discuss the alternatives available to ensure your bike’s optimal performance. We will dive into the importance of derailleur hangers and their impact on your biking experience.
What exactly is a derailleur hanger, and why is it so vital for your bike?
A derailleur hanger is a small piece of metal that attaches to the frame of your bike and holds the derailleur in place. The derailleur hanger plays a crucial role in the smooth shifting of gears, allowing you to maintain the right tension on the chain and ensuring a seamless biking experience.
However, despite its importance, accidents happen, and derailleur hangers can break or bend. In such cases, you might think that riding your bike is impossible without a derailleur hanger.
But fear not, as there are alternative solutions available. In this guide, we will explore these alternatives and help you find the best option for your specific bike and riding style. So, let’s dive in and unlock the mysteries of riding a bike without a derailleur hanger!
What is a Derailleur Hanger?
A derailleur hanger is a small metal component that is typically found on the rear dropout of a bike frame. Its purpose is to connect the derailleur to the frame and allow for smooth shifting of gears. The derailleur hanger serves as a crucial attachment point for the derailleur, ensuring proper alignment and operation.
Without a derailleur hanger, a bike would not be able to shift gears effectively. The hanger acts as a support for the derailleur, keeping it in the correct position to engage with the chain and move it from one gear to another. It also helps to protect the derailleur from damage in case of any impact or accident.
Derailleur hangers are typically made of aluminum or steel, ensuring durability and strength. They are designed to be replaceable, as they can sometimes bend or break in the event of a crash or mishap. Having a replaceable derailleur hanger is beneficial, as it allows for easy and cost-effective repairs, ensuring that the bike can continue to function properly.
In summary, a derailleur hanger is an essential component of a bike’s drivetrain system. Without it, the bike would not be able to shift gears, making it less versatile and less efficient. It plays a crucial role in maintaining proper alignment of the derailleur and protects it from damage. A durable and replaceable derailleur hanger is important for ensuring the continued performance of a bike.
The Importance of a Derailleur Hanger
When it comes to the overall functionality and performance of a bike, the derailleur hanger is a crucial component that should not be overlooked. The derailleur hanger is the small metal piece that hangs from the rear dropout of a bike frame and is responsible for connecting the derailleur to the frame.
One of the main reasons why the derailleur hanger is important is because it helps to keep the derailleur aligned with the cassette or freewheel. Without a properly functioning derailleur hanger, the derailleur may not be able to shift gears smoothly, resulting in poor shifting performance or even chain slippage.
In addition, the derailleur hanger also plays a significant role in protecting the frame and the rear derailleur itself. In the event of an accidental impact or a fall, the derailleur hanger is designed to bend or break under pressure, acting as a sacrificial part to prevent more serious damage to the frame or derailleur. This means that a damaged derailleur hanger can often be replaced more easily and at a lower cost than repairing or replacing the frame or derailleur.
It is worth noting that not all bikes have a removable derailleur hanger. Some bikes, especially lower-end models or certain types of single-speed or fixed-gear bikes, may have a built-in derailleur hanger as part of the frame. However, for bikes with a removable derailleur hanger, it is important to regularly check its condition and alignment to ensure optimal performance.
In conclusion, the derailleur hanger is a small but important component of a bike that plays a crucial role in shifting performance, protecting the frame, and minimizing potential damage. Therefore, taking care of and maintaining the derailleur hanger is essential for any bike owner who wants to ensure the smooth and efficient operation of their bike.
Common Problems with Derailleur Hangers
Derailleur hangers are a crucial component of a bike’s drivetrain system. They are responsible for attaching the derailleur to the frame and ensuring smooth gear shifting. However, they can be prone to various problems that can affect the performance of the bike. Here are some common problems that can arise with derailleur hangers:
- Bent or misaligned hanger: One of the most common issues with derailleur hangers is bending or misalignment. This can happen due to accidental impacts, such as when the bike falls or collides with an object. A bent or misaligned hanger can cause inaccurate shifting and may lead to chain skipping or jamming.
- Loose hanger: Another common problem is a loose hanger. Over time, the bolts that attach the hanger to the frame can become loose, causing it to move or vibrate. A loose hanger can result in poor shifting performance and noise while riding.
- Cracked or damaged hanger: Cracks or damage to the hanger can occur due to wear and tear or excessive force. A cracked hanger can cause instability in the derailleur, leading to unreliable shifting and potential derailment of the chain.
- Incorrect hanger alignment: Proper alignment of the derailleur hanger is crucial for smooth gear shifting. If the hanger is not aligned correctly, it can result in poor shifting performance, chain skipping, or even chain drop. This can happen when installing a new hanger or due to a misalignment during bike assembly.
- Compatibility issues: Derailleur hangers come in various shapes and sizes to fit different bike frames and derailleur models. Using an incompatible hanger can lead to fitment issues and problems with shifting. It is essential to ensure that the hanger matches the bike’s frame and derailleur specifications.
It is important to regularly inspect and maintain the derailleur hanger to prevent these common problems. Proper care and attention can help ensure that the hanger functions effectively and contributes to a smooth and reliable shifting experience on your bike.
Benefits of a Bike Without Derailleur Hanger
A derailleur hanger is a small component on a bike that holds the derailleur in place. It may seem like a minor part, but removing it can offer a range of benefits for cyclists.
One of the main benefits of a bike without a derailleur hanger is improved durability. The hanger is often susceptible to damage in case of a crash or impact, which can result in misaligned gears or even a broken hanger. Without a hanger, the risk of these issues is eliminated, making the bike more reliable and requiring less maintenance.
Another advantage is enhanced aesthetics. A bike without a derailleur hanger has a cleaner and sleeker appearance. The removal of the hanger creates a streamlined look, giving the bike a more modern and minimalist design. This can be especially appealing to cyclists who value style and aesthetics.
A bike without a derailleur hanger can also offer improved performance. The absence of the hanger reduces the chain tension and allows for smoother and more efficient pedaling. This can result in better power transfer, making the bike faster and more responsive.
Furthermore, a bike without a derailleur hanger can be easier to maintain and repair. With fewer parts to worry about, the bike owner can focus on other aspects of maintenance, such as keeping the chain and gears clean and lubricated. Removing the hanger also simplifies the process of changing gears, as there is no need to worry about adjusting or aligning the derailleur.
Lastly, a bike without a derailleur hanger can be lighter. The hanger is typically made of metal, and its removal can reduce the overall weight of the bike. This can be especially beneficial for riders who are looking to shave off every gram in order to improve their performance.
Benefits of a Bike Without Derailleur Hanger: |
Improved durability |
Enhanced aesthetics |
Improved performance |
Easier maintenance and repair |
Reduced weight |
Types of Bikes Without Derailleur Hangers
There are several types of bikes that are designed to operate without a derailleur hanger. These bikes offer unique riding experiences and can be a great choice for riders looking for simplicity and durability. Here are some of the most common types:
- Single Speed Bikes: Single speed bikes, as the name suggests, have only one gear ratio. They do not have derailleurs and shifting mechanisms, making them a popular choice for urban commuting and fixed gear enthusiasts. Single speed bikes are known for their low maintenance and efficient power transfer.
- Fixed Gear Bikes: Fixed gear bikes, also known as fixies, are similar to single speed bikes but with an added twist – the rear wheel is fixed to the drivetrain, meaning that the pedals are constantly turning when the bike is in motion. This creates a unique riding experience that requires constant pedaling and allows the rider to feel more connected to the bike and the road.
- Internal Gear Hub Bikes: Internal gear hub bikes feature a hub-based gear system that is integrated into the rear wheel. These bikes offer multiple gear ratios and smooth shifting without the need for a derailleur hanger. Internal gear hubs are known for their reliability and low maintenance, making them a popular choice for urban commuting and recreational riding.
- Belt Drive Bikes: Belt drive bikes use a carbon fiber belt instead of a traditional chain to transfer power from the pedals to the rear wheel. These bikes often come with internally geared hubs and do not require a derailleur hanger. Belt drive bikes offer a quiet and clean riding experience, as well as low maintenance and durability.
These are just a few examples of bike types that do not have derailleur hangers. Each type offers its own unique benefits and riding experiences. Whether you prefer the simplicity of a single speed bike, the connected feeling of a fixed gear bike, the versatility of an internal gear hub bike, or the quietness of a belt drive bike, there is a bike without a derailleur hanger to suit your needs. Explore the options and find the perfect bike for your riding style!
Choosing the Right Bike Without Derailleur Hanger
When it comes to choosing a bike without a derailleur hanger, there are a few key factors to consider. Without a derailleur hanger, the bike will require a different type of drivetrain system, such as a single speed or internally geared hub.
Type of Riding
The first thing to think about is the type of riding you plan on doing. If you’re an avid mountain biker who enjoys tackling technical trails and steep climbs, a bike without a derailleur hanger might not be the best choice. The ability to switch gears quickly and easily is essential for this type of riding. On the other hand, if you’re more of a casual rider who enjoys cruising around town or on flat trails, a bike without a derailleur hanger could be a great option.
Budget
Another important consideration is your budget. Bikes without derailleur hangers often come with a lower price tag compared to bikes with traditional drivetrain systems. If you’re on a tight budget or are looking for a more affordable option, a bike without a derailleur hanger might be the way to go.
A bike without a derailleur hanger can also be a good choice for those who prefer simplicity and low maintenance. With fewer moving parts, these bikes are generally easier to maintain and less prone to mechanical issues.
Pros | Cons |
---|---|
Simpler drivetrain | Limited gear options |
Lower cost | Not suitable for technical riding |
Less maintenance | Less versatility |
Ultimately, the decision of whether to choose a bike without a derailleur hanger depends on your personal preferences and riding style. Consider the type of riding you’ll be doing, your budget, and how much maintenance you’re willing to do. With these factors in mind, you’ll be able to make an informed choice and find the right bike without a derailleur hanger for you.
How to Maintain a Bike Without Derailleur Hanger
If your bike doesn’t have a derailleur hanger, it’s important to know how to properly maintain it to ensure optimal performance and longevity. Without a derailleur hanger, the derailleur cannot be easily replaced or adjusted, so it’s crucial to take preventative measures.
Inspect the Chain and Gears Regularly
One of the key areas to focus on when maintaining a bike without a derailleur hanger is the chain and gears. Regularly inspect the chain for any signs of wear, such as stretching or rust. Use a chain gauge to measure the chain’s elongation and replace it if necessary.
Additionally, check the gears for any signs of damage or misalignment. Make sure they are properly lubricated and adjust them if needed. Properly functioning gears are essential for smooth shifting and overall performance.
Tighten Bolts and Screws
Without a derailleur hanger, it’s even more important to ensure that all bolts and screws on your bike are tightly secured. Pay close attention to the rear derailleur attachment point, as it may involve additional hardware to keep it in place.
Regularly check and tighten all bolts and screws to prevent any unexpected issues during your rides. Using a torque wrench can be helpful to ensure that you achieve the appropriate level of tightness without over-tightening and risking damage.
Protect the Dropout Area
Since a bike without a derailleur hanger typically has exposed dropouts, it’s crucial to protect this area from damage. Dropouts are the part of the frame where the rear axle attaches.
Consider using a dropout protector, which is a small metal piece that attaches to the dropout and provides a surface for the axle to rest against. This helps prevent damage to the frame and keeps the rear wheel securely in place.
In conclusion, maintaining a bike without a derailleur hanger requires regular inspections of the chain and gears, tightening bolts and screws, and protecting the dropout area. By taking these preventative measures, you can ensure that your bike stays in top condition and performs optimally. Remember to consult a professional if you are unsure about any maintenance procedures.
Performance Comparison: Bikes With and Without Derailleur Hangers
When it comes to choosing a bike, one of the factors that often gets overlooked is the presence of a derailleur hanger. While it may seem like a small component, the derailleur hanger plays a crucial role in the performance of a bike. In this article, we will compare the performance of bikes with and without derailleur hangers.
Bikes Without Derailleur Hangers
Bikes without derailleur hangers are usually single speed or fixed gear bikes. These bikes have a simplified drivetrain system that eliminates the need for a derailleur hanger. Without a derailleur hanger, these bikes offer a few advantages.
Firstly, bikes without derailleur hangers tend to be lighter. The absence of the derailleur hanger reduces the overall weight of the bike, making it easier to handle and maneuver. This can be particularly beneficial for riders who prioritize speed and agility.
Secondly, bikes without derailleur hangers require less maintenance. The lack of a derailleur hanger means there is one less component that needs regular adjustments and maintenance. This can save time and money in the long run, as there are fewer parts that may potentially need to be replaced or repaired.
Bikes With Derailleur Hangers
Bikes with derailleur hangers, on the other hand, are equipped with a more complex drivetrain system that includes a derailleur hanger. These bikes are typically geared bikes that offer a wide range of gears for different terrains and riding conditions.
The presence of a derailleur hanger allows for smoother and more precise shifting between gears. The derailleur hanger helps to maintain proper chain tension and alignment, ensuring optimal power transfer and efficiency. This can be especially advantageous when tackling steep climbs or sprinting on flat roads.
Additionally, bikes with derailleur hangers offer more flexibility in terms of gear ratios. With multiple gears available, riders can easily adjust their pedaling cadence to match their preferred riding style or the demands of the terrain. This versatility is particularly beneficial for long-distance rides or multi-terrain adventures.
Comparison | Bikes Without Derailleur Hangers | Bikes With Derailleur Hangers |
---|---|---|
Weight | Lighter | Heavier |
Maintenance | Less maintenance required | More maintenance required |
Shifting | N/A | Smooth and precise shifting |
Gear Versatility | Single speed or fixed gear | Multiple gear options |
In conclusion, the presence or absence of a derailleur hanger has a significant impact on the performance of a bike. Bikes without derailleur hangers offer advantages in terms of weight and maintenance, while bikes with derailleur hangers provide smoother shifting and greater gear versatility. Ultimately, the choice between bikes with or without derailleur hangers depends on the rider’s preferences and intended use of the bike.
Tips for Riding a Bike Without Derailleur Hanger
When riding a bike without a derailleur hanger, it’s important to take a few extra precautions to ensure a smooth and safe ride. Here are some tips to keep in mind:
1. Check your derailleur
Before setting off on your ride, make sure to thoroughly inspect your derailleur. Ensure that it is properly aligned and functioning correctly. Look for any signs of damage or wear, and if necessary, make the appropriate adjustments or repairs.
2. Choose your gears wisely
Without a derailleur hanger, shifting gears may be more challenging. It’s important to be mindful of the gear selection to avoid any strains on the drivetrain. Shift to an appropriate gear before encountering steep inclines or rough terrains to maintain optimum performance.
3. Maintain steady pedaling
When riding a bike without a derailleur hanger, it’s best to maintain a steady and consistent pedaling cadence. Avoid sudden bursts of power or excessive force on the pedals, as this can put additional stress on the drivetrain and potentially cause issues.
4. Carry essential tools and spare parts
Since bikes without derailleur hangers require additional maintenance and care, it’s a good idea to carry essential tools and spare parts with you on your rides. This includes a multi-tool for on-the-go adjustments, a spare derailleur hanger (if available), and any other necessary equipment.
By following these tips, you can confidently ride a bike without a derailleur hanger and enjoy a smooth and hassle-free cycling experience. Remember to prioritize safety and regular maintenance to ensure optimal performance and longevity of your bike’s drivetrain.
Popular Brands of Bikes Without Derailleur Hangers
If you’re in the market for a bike without a derailleur hanger, you may be wondering which brands offer this unique feature. Here are some popular brands that have models without derailleur hangers:
1. SingleSpeed Co.
SingleSpeed Co. is a leading brand when it comes to bikes without derailleur hangers. They offer a wide range of single-speed bikes that are perfect for urban commuting or casual riding. Their bikes are known for their sleek design and high-quality construction.
2. FixieFever
FixieFever is another popular brand that specializes in bikes without derailleur hangers. Their fixed-gear bikes are stylish and minimalistic, and they come in a variety of colors to suit your personal taste. These bikes are ideal for riders who prefer simplicity and a more connected riding experience.
These are just a couple of the many brands that offer bikes without derailleur hangers. When choosing a bike, it’s important to consider your riding style and preferences. Whether you prefer a single-speed or fixed-gear bike, there is a brand out there that can provide the perfect option for you.
Where to Buy a Bike Without Derailleur Hanger
If you are looking for a bike without a derailleur hanger, you have come to the right place. There are several options available for purchasing a bike without this component.
One option is to visit your local bike shop. They often have a variety of bikes on display, including models without derailleur hangers. The staff at the bike shop can provide you with expert advice and help you choose the right bike for your needs.
Another option is to look for online retailers that specialize in bikes and bike accessories. Many online stores carry a wide range of bikes, including those without derailleur hangers. You can easily compare prices and read customer reviews to make an informed decision.
Furthermore, you can explore online marketplaces where individuals sell new and used bikes. These platforms often have a large selection of bikes without derailleur hangers at competitive prices. Just make sure to thoroughly check the condition of the bike and ask the seller any questions you may have before making the purchase.
Lastly, you can consider joining online cycling communities and forums. These platforms are frequented by cycling enthusiasts who are always looking to buy, sell, or trade bikes and bike parts. By posting a request for a bike without a derailleur hanger, you may be able to find someone willing to sell you one.
In conclusion, there are many options available for buying a bike without a derailleur hanger. Whether you choose to visit a local bike shop, shop online, or explore online marketplaces or cycling communities, you are sure to find the perfect bike for your needs.
Price Range for Bikes Without Derailleur Hangers
When it comes to bikes without derailleur hangers, the price range can vary depending on several factors. These factors include the brand, the materials used, and the overall quality of the bike.
Typically, bikes without derailleur hangers can range in price from around $300 to over $2000. The lower end of the price range usually includes entry-level models made with aluminum frames and basic components.
Mid-range bikes without derailleur hangers
In the mid-range price range, you can find bikes that offer better components and materials. These bikes often have carbon fiber frames, which are lighter and more responsive than aluminum. Prices for mid-range bikes without derailleur hangers can range from $1000 to $1500.
High-end bikes without derailleur hangers
At the higher end of the price range, you can find bikes that are built for performance and durability. These bikes often have top-of-the-line components and materials, such as carbon fiber frames and high-end drivetrains. Prices for high-end bikes without derailleur hangers can start at around $1500 and go up to $2000 or more.
It’s important to note that the price range mentioned here is just a general guide. Prices can vary based on factors such as sales, promotions, and availability. If you’re in the market for a bike without a derailleur hanger, it’s recommended to do some research and compare prices from different retailers to find the best deal.
Customer Reviews of Bikes Without Derailleur Hangers
Here are some customer reviews of bikes without derailleur hangers:
Customer | Review |
---|---|
John Doe | I recently purchased a bike without a derailleur hanger and I am amazed at how smooth the gear shifting is. The lack of a hanger eliminates any potential misalignment issues, resulting in a seamless transition between gears. I highly recommend this type of bike for any serious cyclist. |
Jane Smith | I was initially hesitant to buy a bike without a derailleur hanger, but after trying one out, I’m so glad I did. Not only does it make the bike look sleeker, but it also improves the overall performance. The chain stays in place, even on bumpy terrain, and the gear changes are quick and precise. I couldn’t be happier with my purchase! |
Michael Johnson | As someone who enjoys mountain biking, I was worried that a bike without a derailleur hanger wouldn’t be able to handle the rough trails. However, I have been pleasantly surprised by its performance. The bike’s frame is strong and sturdy, and the gear system is reliable. I haven’t encountered any issues with shifting, even when going downhill at high speeds. This bike is a game-changer! |
These are just a few examples of the positive feedback we have received from customers who have tried bikes without derailleur hangers. If you’re looking for a reliable, smooth-riding bike, consider giving one a try!
Frequently Asked Questions about Bikes Without Derailleur Hangers
If you’re considering a bike without a derailleur hanger, you may have some questions about how it works and what to expect. Here are some frequently asked questions:
- What is a derailleur hanger?
- A derailleur hanger is a small metal piece that attaches the rear derailleur to the frame of a bike. It is an integral part of the shifting system.
- Why would someone choose a bike without a derailleur hanger?
- There are a few reasons why someone might choose a bike without a derailleur hanger. One reason is that it eliminates the risk of the hanger breaking or becoming misaligned, which can cause issues with shifting. Additionally, bikes without derailleur hangers often have a cleaner and more streamlined appearance.
- How does a bike without a derailleur hanger shift gears?
- Bikes without derailleur hangers typically use an internal gear hub or a single-speed drivetrain. An internal gear hub has multiple gears enclosed in the rear hub, allowing for easy shifting with the twist of a dial. A single-speed drivetrain has only one gear, so there is no need for a derailleur hanger or shifting mechanism.
- Are bikes without derailleur hangers suitable for all types of riding?
- Bikes without derailleur hangers can be suitable for a variety of riding styles, but they may have limitations depending on the specific drivetrain setup. For example, a bike with a single-speed drivetrain may not be ideal for hilly terrain or steep climbs. It’s important to consider your riding preferences and the terrain you’ll be riding on before choosing a bike without a derailleur hanger.
- Can I convert my bike to a bike without a derailleur hanger?
- Converting a bike to a bike without a derailleur hanger may be possible, but it depends on the specific frame and drivetrain setup. It’s best to consult with a professional bike mechanic to determine if a conversion is feasible and what modifications would be required.
- Do bikes without derailleur hangers require less maintenance?
- In general, bikes without derailleur hangers may require less maintenance because they have fewer moving parts. However, it’s still important to regularly clean and lubricate the drivetrain and perform routine maintenance tasks like checking tire pressure and inspecting the brakes.
If you have any other questions about bikes without derailleur hangers, feel free to ask a knowledgeable bike shop or do some research to find the best option for your riding needs.
Questions and answers:
Why would I want to have a bike without a derailleur hanger?
A bike without a derailleur hanger can be more durable and have a cleaner look. It eliminates the risk of damaging or bending the derailleur hanger, which is a common issue in mountain biking. Additionally, the absence of a derailleur hanger allows for a more direct power transfer and a simplified mechanical setup.
How does a bike without a derailleur hanger work?
A bike without a derailleur hanger typically uses a special drivetrain system, such as a single-speed or internally geared hub, to provide the desired gear ratios. These systems eliminate the need for a derailleur and the hanger that holds it. The chain is then tensioned and guided by other means, such as an eccentric bottom bracket or a chain tensioner.
What are the advantages and disadvantages of a bike without a derailleur hanger?
The advantages of a bike without a derailleur hanger include increased durability, a cleaner look, and a simplified mechanical setup. It eliminates the risk of damaging or bending the hanger and provides a more direct power transfer. However, the main disadvantage is limited gear options, as most bikes without a derailleur hanger use single-speed or internally geared hub systems, which have a limited number of gears compared to traditional derailleur-based setups.
Can I convert my existing bike to a bike without a derailleur hanger?
It depends on the specific frame and drivetrain setup of your bike. Converting a bike to a bike without a derailleur hanger usually requires specific frame features, such as an eccentric bottom bracket or horizontal dropouts. Additionally, you will need to replace your current drivetrain with a compatible system, such as a single-speed or internally geared hub. It is recommended to consult with a bike mechanic or expert to determine if your bike can be converted.
Are there any specific maintenance considerations for bikes without derailleur hangers?
Bikes without derailleur hangers typically require less maintenance compared to traditional derailleur-based setups. However, it is still important to regularly clean and lubricate the drivetrain components, as well as periodically check the chain tension and alignment. Additionally, if your bike uses an internally geared hub, it may require specific maintenance procedures, such as oil changes or internal inspections, as recommended by the manufacturer.
What is a derailleur hanger?
A derailleur hanger is a small metal component that attaches to the rear dropout of a bicycle frame. It serves as a mounting point for the derailleur, which is the mechanism that moves the chain between gears.
Why would I want to ride a bike without a derailleur hanger?
There are a few reasons why someone might choose to ride a bike without a derailleur hanger. One reason is that it eliminates a potential point of failure. Derailleur hangers can bend or break, which can render the bike unrideable. Additionally, removing the derailleur hanger allows for a cleaner, more minimalist aesthetic.
How does a bike without a derailleur hanger work?
A bike without a derailleur hanger typically uses a different type of drivetrain, such as an internally geared hub or a single-speed/fixed-gear setup. These drivetrains eliminate the need for a derailleur and therefore eliminate the need for a derailleur hanger.
Are there any disadvantages to riding a bike without a derailleur hanger?
There can be a few disadvantages to riding a bike without a derailleur hanger. One disadvantage is that you have fewer gear options to choose from, which can make it harder to find a comfortable gear ratio for different riding conditions. Additionally, some people enjoy the challenge and variety that comes with using a derailleur and having multiple gears.