Best Derailleur For Mountain Bike (2024 Update)
Choosing the right derailleur for your mountain bike is one of the most important upgrades you can make. The derailleur is responsible for smoothly and precisely shifting between gears, ensuring you always have the right ratio for the terrain and conditions. With so many derailleur options on the market, it can be tricky to know which model is the best fit for your bike and riding style.
Before choosing a new derailleur, consider what type of mountain biking you do most frequently. Do you favor cross-country trails that demand rapid shifting? Or are you a downhill rider that benefits from the durability of a Saint or Zee derailleur? Your riding style and local trails should inform the speed, durability, and price point you require.
It’s also important to match your prospective derailleur to your drivetrain. Is your bike running a 1x or 2x setup? Make sure the derailleur you choose is compatible with the number of front chainrings. Do you want the latest 12-speed gearing? Or are you happy sticking with a more affordable 9-speed drivetrain? Considering these factors will ensure you end up with a derailleur that integrates smoothly with the rest of your components.
Lastly, think about your budget. Derailleurs range widely in price from entry-level to professional-grade. While it’s tempting to opt for the most high-tech model, an intermediate derailleur may offer the performance you need at a more accessible price point. Test riding derailleurs in your price range will help you make the right compromise between cost and performance.
Choosing the ideal derailleur for your riding style, drivetrain, and budget will lead to seamless shifting and enhanced performance on every ride. Consider your needs carefully before upgrading, and enjoy the benefits of smooth, precise shifting offered by the best mountain bike derailleur.
10 Best Derailleur For Mountain Bike
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This rear derailleur is ideal for precise and smooth shifting on mountain bikes in rough terrain.
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This product is ideal for providing precise and smooth shifting performance on a variety of terrain.
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This product is ideal for mountain bikes that require a 10-speed rear derailleur with a long cage.
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4
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Ideal for road and mountain bikes with 6/7 speed rear derailleur that require a direct mount.
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5
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The product is ideal for precise and smooth shifting of gears on a mountain bike.
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Ideal for mountain bikes with 6/7 speed gearing, featuring a medium cage and direct mount compatibility.
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7
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The product is ideal for efficient and precise shifting, suitable for a wide range of bicycles and terrains.
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Ideal for enhancing the performance of a mountain bike's rear derailleur system for smoother shifting and improved efficiency.
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9
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It is ideal for efficiently shifting gears on a 9-speed mountain bike.
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10
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It is ideal for use on mountain bikes for smooth and precise gear shifting.
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1. Shimano Deore Xt Rd-M786 Sgs Shadow Plus Rear Derailleur
The MTB rear derailleur boasts an impressive design that is both sleek and effective. The low profile Shadow design ensures that the derailleur remains tucked away and protected, while still providing top-notch performance. The Stabilizer switch is an added feature that reduces chain slap and keeps the chain running smoothly and quietly. This is particularly useful when riding through rough terrain. The 10-Speed Shadow Plus capability takes this derailleur to the next level, providing crisp and precise shifting that is sure to impress even the most discerning mountain biker. With its advanced features and top-notch performance, this MTB rear derailleur is a must-have for any serious rider.
2. Shimano Deore Xt 10s M781 Long Paw Rear Derailleur 2016
The Shimano Gears are a high-quality, durable option for any mountain bike enthusiast. Designed specifically for use on MTB bikes, these gears are sure to provide a smooth and efficient ride on any terrain. With a compatibility of 10 speed, they are versatile and can be used with a variety of bike setups.
The derailleur cage-build of these gears is expertly crafted to ensure maximum performance and reliability. The cage-build is designed to keep the chain from slipping off the gears, providing a secure and seamless ride. Whether you are navigating steep inclines or cruising down a trail, these gears will help you stay in control.
In addition to their superior performance, the Shimano Gears are also built to last. Made from high-quality materials, they are able to withstand the wear and tear of regular use. This means that you can enjoy a smooth and reliable ride for years to come.
3. Sram Mtb Gx Type 2.1 Long Cage Rear Derailleur – Black, 10-Speed
The product boasts EXACT ACTUATION technology, ensuring precise and reliable 10-speed performance. This feature guarantees a smooth and efficient gear shift, allowing for maximum control and performance.
TYPE 2.1 technologies are also incorporated into the design, including ROLLER BEARING CLUTCH and CAGE LOCK. These advanced features provide enhanced stability and chain retention, improving overall performance and minimizing the risk of chain drop.
For added convenience, this product is available in various cage lengths including Short, Medium and Long. This allows for greater customization and compatibility with a variety of bikes and rider preferences.
4. Shimano Mtb Rear Derailleur: Efficient And Direct".
The RD-TY300 rear derailleur is a high-quality model that is compatible with 6 and 7-speed SIS INDEX variable speed transmission systems. With its 11T /14T high speed gear, it provides a smooth shifting experience and ensures safe and stable riding. Made of durable aluminum alloy material, this derailleur is built to last.
One of the standout features of the RD-TY300 is its wide application. It can be used with MTBs, mountain bikes, road bikes, folding bicycles, and more. This makes it a versatile option for cyclists who may have multiple bikes in their collection.
In terms of maintenance, the rear derailleur is easy to use and maintain. This means that even cyclists who are new to bike maintenance should have no trouble keeping it in good working order. Additionally, the manufacturer provides quality service and is available to answer any questions that customers may have.
5. Shimano Acera Mountain Bike Rear Derailleur
The Shimano Acera M360 7 8-Speed Rear Derailleur with SmartCage in black is a high-quality bicycle component that promises to enhance your cycling experience. With its advanced SmartCage technology, this rear derailleur delivers smooth and precise shifting, making it the perfect choice for cyclists who demand reliable performance.
Designed to work with 7 and 8-speed drivetrains, this rear derailleur is engineered to handle a wide range of gears, ensuring that you can tackle any terrain with ease. It features a durable black finish that not only looks great but also protects the derailleur from wear and tear.
The Shimano Acera M360 7 8-Speed Rear Derailleur is built to last, thanks to its robust construction and high-quality materials. It features a long cage design that accommodates a range of cassette sizes, making it an ideal choice for mountain bikers and road cyclists alike.
One of the key features of this rear derailleur is its SmartCage technology. This innovative design ensures that the chain stays in place, even when you're riding over rough terrain or shifting gears under load. This means that you can enjoy smooth and reliable shifting, no matter where your ride takes you.
With its easy-to-adjust design and user-friendly interface, the Shimano Acera M360 7 8-Speed Rear Derailleur is a breeze to install and use. It comes with all the hardware you need to get started, including a derailleur hanger and mounting bolts.
6. Inkesky Rd-Tz31-Gs 6/7 Speed Rear Derailleur With Direct Mount, Medium Cage, For Mountain Bike
Introducing the Shimano Tourney (SIS) RD-TZ31-GS 6/7 speed medium-cage direct mount rear derailleur – a reliable and high-quality addition to any mountain bike.
This model boasts a total capacity (aka chain capacity) of 34T, a largest sprocket size of 28T, and a smallest sprocket size of 14T. Additionally, the front chainwheel tooth difference is 20T. These specifications ensure that the Shimano Tourney RD-TZ31-GS is compatible with 6 and 7-speed SIS Index Shifting drivetrains.
Please note that this model is not compatible with hub bolt mount (bracket mount) frames and bikes with a total capacity exceeding 34T. To ensure compatibility, it is important to calculate your bike's total capacity before purchasing. This rear derailleur is also available without retail packaging.
To install the Shimano Tourney RD-TZ31-GS, a 5mm Allen wrench is required. This derailleur is designed to provide smooth and precise shifts, giving riders the confidence they need to tackle even the toughest terrain.
7. Shimano Deore Rd-M592 Rear Derailleur
The bicycle's chain movement is smooth and precise, ensuring a comfortable and efficient ride. The Direct Mount feature allows for easy and secure installation, adding to the overall durability of the product. Shifting gears requires minimal effort, allowing riders to effortlessly adjust to different terrain and inclines. Enjoy a seamless and enjoyable cycling experience with this high-quality product.
8. Kcnc Mtb Rear Derailleur Cage – Oversized Pulleys
Upgrade your bike's drivetrain for ultimate efficiency and superior performance with the Oversized Pully Wheel Cage (OSPW) by KCNC. The OSPW system reduces friction in the pulleys by 45%, resulting in a lower rolling resistance and optimized performance. With KCNC Wheel Bearings installed, you'll experience a power savings of 30%-60% or more in some cases over a stock setup, maximizing the return you get from your energy.
The OSPW for SRAM Eagle Mechanical features a narrow wide tooth profile that ensures durable chain retention. The system consists of top 14t and bottom 16t alloy pulley wheels fitted with low friction bearings and a lightweight cage made from 7075 Alloy. The coated bearings prolong the lifetime of the OSPW system even further, with oversized pulley wheels having 3-5 times longer lifetime than standard pulleys on the market.
The OSPW system is compatible with Sram Eagle XX1/X01/GX/NX Mechanical 12 speed rear derailleur and has been proven to be the fastest pulley system in the world, providing energy savings starting from 2.4 watts. The OSPW system has an efficiency ratio almost comparable with Ceramicspeed, making it a reliable choice for bike enthusiasts.
The OSPW system comes in black, red, and gold colors that can match your bike's aesthetics. The OSPW system weighs approximately 71 grams, making it lightweight and easy to install.
9. Shimano Deore 9-Speed Mountain Bicycle Rear Derailleur – Rd-M591
Looking for a reliable and efficient bike chain to enhance your cycling experience? Look no further than this top-of-the-line product, designed to deliver smooth and precise gear changes with minimal effort required.
With its direct mount design, this bike chain ensures maximum efficiency and minimal resistance, allowing you to effortlessly shift gears as you ride. The precise chain movement guarantees that each gear change is smooth and seamless, providing a more comfortable and enjoyable ride.
One of the standout features of this bike chain is its light shift effort, which makes it incredibly easy to change gears without exerting too much force. This is especially important during long rides, when you want to conserve your energy and avoid unnecessary strain.
In terms of capacity, this bike chain can accommodate cassettes with a maximum capacity of 34T, providing plenty of options for different riding conditions and terrains. Whether you're tackling steep hills or cruising along smooth roads, this bike chain will help you stay in control and maintain a steady pace.
10. Shimano Altus Mountain Bike Rear Derailleur – Direct Mount – Rdm310
Introducing the Shimano Chain Wrap Capacity Derailleur, the perfect addition to any bike enthusiast's collection. This derailleur boasts impressive specs, including a chain wrap capacity of 43teeth and a top-normal (traditional) derailleur action. The sleek black color adds a touch of style to any bike, while the Shimano/SRAM 8 drivetrain spacing ensures compatibility with a wide range of bikes.
The Shimano Chain Wrap Capacity Derailleur is designed to handle even the toughest terrain, with a largest cog of 34teeth and a durable build that can withstand heavy usage. The Shimano shifter and rear derailleur ensure smooth and precise shifting, making for a comfortable and efficient ride.
With 8 speeds, this derailleur offers plenty of versatility for both recreational and competitive cycling. At a weight of just 326g, this derailleur is lightweight and won't add unnecessary bulk to your bike.
Best Derailleur For Mountain Bike FAQs
Are electronic or mechanical derailleurs better for mountain biking?
Both electronic and mechanical derailleurs have their own set of advantages and disadvantages when it comes to mountain biking.
Mechanical derailleurs have been around for a long time and are still widely used because of their durability and affordability. They are also easier to repair and maintain, even on the trail. Mechanical derailleurs require manual adjustment, which can be a hassle for some riders, especially when it comes to precise shifting on technical terrain.
On the other hand, electronic derailleurs offer more precise shifting and require less maintenance. They are also easier to adjust on the fly, which can be advantageous during a race or when riding on challenging terrain. However, electronic derailleurs can be more expensive to purchase and repair, and they require a power source, which can be a concern for longer rides.
Ultimately, the choice between electronic or mechanical derailleurs comes down to personal preference and budget. Both options have their pros and cons, and it is important to consider your riding style, terrain, and maintenance needs before making a decision.
Can I upgrade my current mountain bike derailleur to a better one?
Yes, it is possible to upgrade your current mountain bike derailleur to a better one. The derailleur is an important component of your bike's drivetrain, responsible for shifting the chain from one gear to another. A higher-end derailleur can provide smoother and more precise shifting, which can enhance your overall riding experience.
When upgrading your derailleur, it's important to consider compatibility with your bike's other components, such as the cassette and chain. You should also consider the type of riding you'll be doing and choose a derailleur that's appropriate for your needs. For example, if you'll be doing a lot of off-road riding with steep climbs and descents, you may want to consider a derailleur with a larger capacity to handle a wider range of gears.
It's recommended to consult with a professional bike mechanic to ensure that the new derailleur is properly installed and adjusted for optimal performance. With the right upgrade, your mountain bike can perform even better and provide a more enjoyable riding experience.
How do I adjust my mountain bike derailleur for optimal performance?
Adjusting your mountain bike derailleur for optimal performance can ensure a smooth and efficient ride. Here are the steps to adjust your derailleur:
1. Check your bike's chain: The chain should be clean, lubricated, and not stretched. A stretched chain can cause the derailleur to function poorly.
2. Shift to the smallest chainring and the largest rear cog: This position will give you the most slack in the derailleur cable, which is necessary for adjustment.
3. Loosen the derailleur cable: Use a 5mm Allen wrench to loosen the bolt holding the derailleur cable.
4. Adjust the high limit screw: The high limit screw controls the derailleur's movement toward the smallest chainring. Use a Phillips screwdriver to turn the high limit screw clockwise until the derailleur is aligned with the smallest chainring.
5. Adjust the low limit screw: The low limit screw controls the derailleur's movement toward the largest chainring. Use a Phillips screwdriver to turn the low limit screw clockwise until the derailleur is aligned with the largest chainring.
6. Tighten the derailleur cable: Use a 5mm Allen wrench to tighten the bolt holding the derailleur cable.
7. Test the shifting: Shift through all gears and ensure the chain moves smoothly and efficiently between each gear.
By following these steps, you can adjust your mountain bike derailleur for optimal performance and enjoy a smoother ride.
What are the top-rated derailleur brands for mountain bikes?
When it comes to mountain biking, having a reliable and efficient derailleur is essential for a smooth and enjoyable ride. There are many brands that offer high-quality derailleurs, but some stand out as the top-rated options.
One of the most popular and well-regarded brands is Shimano. Their derailleurs are known for their smooth shifting performance and durability. Shimano offers a range of derailleurs for different types of mountain biking, from entry-level to high-end models.
Another top-rated brand is SRAM. They are known for their innovative technology and high-performance derailleurs. SRAM offers a variety of options, including their popular Eagle series, which features a 12-speed drivetrain for optimal gearing.
Other notable brands include Campagnolo, which offers high-end derailleurs for serious mountain bikers, and MicroSHIFT, which provides affordable options for entry-level riders.
Ultimately, the best derailleur brand for you will depend on your individual needs and preferences. It's important to do your research and consider factors such as price, durability, and performance before making a decision.
What derailleur is best for a beginner mountain biker?
As a beginner mountain biker, it is important to choose a derailleur that is reliable, easy to use, and fits your bike's specifications. In general, entry-level mountain bikes come with a basic derailleur that is suitable for most beginner-level trails. Some popular options for beginner mountain bikers include Shimano Altus and Acera, as well as SRAM X3 and X4 derailleurs. These options are affordable, durable, and provide smooth shifting on a variety of terrain. It is important to note that as you progress as a mountain biker and tackle more challenging trails, you may want to upgrade to a higher-end derailleur for improved performance. However, for those just starting out, a basic derailleur will likely suffice. Ultimately, it is important to consider your budget, riding style, and terrain in order to choose the best derailleur for your needs as a beginner mountain biker.
What derailleur is best for a lightweight mountain bike build?
When it comes to choosing the best derailleur for a lightweight mountain bike build, several factors should be considered. The derailleur is an essential part of the bike's drivetrain, responsible for shifting gears and maintaining chain tension. The most popular options for lightweight mountain bikes are either a Shimano or a SRAM derailleur. Both companies offer high-quality options, and the decision ultimately comes down to personal preference and compatibility with the bike's other components.
For Shimano, the XTR and XT series are excellent options for lightweight mountain bikes. They are designed to be lightweight and durable, with smooth shifting and excellent performance. The XTR is the top-of-the-line option, with a carbon fiber cage and titanium hardware, making it one of the lightest derailleurs available. The XT series is also a great option, offering many of the same features as the XTR but at a more affordable price point.
For SRAM, the XX1 and X01 series are top options for lightweight mountain bikes. They are designed to be lightweight and provide precise shifting, even in the most challenging conditions. The XX1 is the top-of-the-line option, with a carbon fiber cage and ceramic bearings, making it one of the lightest and most durable derailleurs available. The X01 series offers many of the same features as the XX1 but at a more affordable price point.
Ultimately, the best derailleur for a lightweight mountain bike build depends on personal preference, budget, and compatibility with the bike's other components. It is always best to consult with a professional bike mechanic or experienced rider for advice on the best options for your specific needs.
What derailleur is best for aggressive downhill mountain biking?
When it comes to aggressive downhill mountain biking, having a reliable and durable derailleur is crucial. The best derailleur for this type of riding is one that can handle the rigors of harsh terrain, sudden drops, and high speeds.
Typically, a wide range of gears is preferred for downhill biking, so a long-cage derailleur is a good option. The Shimano Saint and SRAM X01 DH are both popular choices among downhill riders.
The Shimano Saint derailleur is known for its durability and ability to handle high-impact riding. It also has a clutch mechanism that reduces chain slap and maintains chain tension. The SRAM X01 DH derailleur is also a great option, with a sturdy construction and a reliable shifting system that can handle tough terrain.
Ultimately, the best derailleur for aggressive downhill mountain biking will depend on personal preference and riding style. It's important to choose a derailleur that suits your needs and can handle the demands of downhill riding.
What features should I look for in a mountain bike derailleur?
When it comes to selecting a mountain bike derailleur, there are several features to consider. Firstly, you should look for a derailleur that is compatible with your bike's drivetrain system. The derailleur should also be durable, as it will be exposed to harsh conditions on the trail. A derailleur with sealed bearings and a strong cage can withstand the rigors of off-road riding.
Another important feature to consider is the derailleur's capacity. The capacity refers to the difference in tooth count between the smallest and largest chainring and cassette cog that the derailleur can handle. A higher capacity derailleur can accommodate a wider range of gears, which is useful for riders who tackle steep climbs and fast descents.
You may also want to consider the derailleur's shifting performance. A derailleur with smooth and precise shifting can make a big difference in your riding experience. Look for a derailleur with adjustable tension and a well-designed pulley system for optimal shifting.
Finally, consider the weight of the derailleur. A lighter derailleur can improve your bike's overall performance, but be mindful of sacrificing durability for weight savings. Overall, selecting a mountain bike derailleur that fits your riding style and needs can greatly enhance your riding experience.
What is the difference between a Shimano and SRAM derailleur for mountain bikes?
Shimano and SRAM are two of the most popular brands in the mountain biking industry, and they both offer a range of high-quality derailleurs. The main difference between Shimano and SRAM derailleurs is the way they shift gears.
Shimano derailleurs are known for their smooth and precise shifting, and they use a traditional cable system to move the chain across the cassette. Shimano derailleurs also tend to be more affordable and easier to maintain.
On the other hand, SRAM derailleurs use a different technology called "X-Actuation" which is designed to offer a more consistent and reliable shifting performance. SRAM derailleurs also tend to be lighter and more compact than Shimano derailleurs, which can be an advantage for riders who want to reduce weight on their bike.
Ultimately, the choice between a Shimano or SRAM derailleur will depend on personal preference and riding style. Both brands offer high-quality products that can provide excellent performance for mountain bikers of all levels. It's important to do your research and choose the option that best suits your specific needs and preferences.
What is the optimal number of gears for a mountain bike derailleur?
The optimal number of gears for a mountain bike derailleur can vary depending on the rider's preferences and the type of terrain they will be riding on. Generally, mountain bikes come with either a 1x, 2x, or 3x derailleur system. A 1x system has a single chainring in the front and a cassette with multiple gears in the rear, while a 2x or 3x system has two or three chainrings in the front and a cassette with multiple gears in the rear.
A 1x system is becoming increasingly popular as it offers a simpler and lighter setup with less maintenance requirements. It can also provide a wider range of gears for climbing and descending. However, a 2x or 3x system can offer a wider range of gears overall, which can be beneficial for riders who frequently tackle steep inclines or technical terrain.
Ultimately, the optimal number of gears for a mountain bike derailleur depends on the rider's personal preferences, riding style, and the type of terrain they will be tackling. It is recommended to test out different systems and gear ratios to determine what works best for each individual rider.
