Rear

The Shimano Altus rear derailleur brings Shadow technology and wide-range capability to 9-speed drivetrains - B tension spring for quick and easy wheel installation and removal - Super low-profile concept with SHADOW mechanism - Wider linkage ensures durability and more precise shifting - Easy adjustment and maintenance - Direct mount compatible - Maximum cog size: 36t - Total capacity: 45t

This Shimano CUES RD-U4000 Shadow 1x9-speed rear derailleur's smooth operation and dependability will help inspire riders to expand their trail-riding comfort zone. Its low-profile design and chain stabilization will give them the confidence to choose rougher routes. ONLY compatible with Shimano CUES 9-Speed LINKGLIDE shifters.

• ONLY compatible with Shimano CUES 9-Speed LINKGLIDE shifters
• Stable drivetrain performance on trails, gravel, and city streets
• Shadow low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes
• Optimized geometry and spring tension reduce chain drop
• Designed and tested to provide enduring e-biking performance
• 13t pulley wheels
• Compatible with LINKGLIDE AND HG 11-speed chains

Shimano's Deore Shadow+ Rear Derailleur is loaded with mountain bike technology. The Shadow design tucks the rear derailleur closer in to the wheel, reducing damage from rocks, roots, and trail obstacles. When it comes to gear changes, Shimano's Dyna-Sys supplies consistent, smooth shifting across the entire cassette. And the Shadow+ clutch maximizes chain control by virtually eliminating chain slap and excess noise with its integrated cage-tensioning clutch. - Medium Cage (for 2x10 drivetrains) - Long Cage (for 3x10 drivetrains) - For use with Shimano 10-speed drivetrains - High-efficiency drivetrain for aggressive trail riding - Optimized gear combinations and ratios for trail riding - Maximum chain wrap capacity: 41T (medium cage)/43T (long cage) - Largest cog: 42T (medium cage)/36T (long cage) - Compatible with wide range cassette - Silent and stable for technical trail riding - Improved stability and chain retention longevity - Light shifting effort - OPTISLICK cable - Smooth and precise shifting - DYNA-SYS compatible system

The Deore M7200 12-speed mechanical rear derailleur carries forward all the new technology of the XT M8200 but utilizes a strong steel pulley cage in its long-cage construction. This adds nominal weight but also ups durability of an already-robust structure. The derailleur's wide link structure adds strength, and its wedge-shaped design helps dodge impacts on the trail.

• Shadow ES design provides a slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing Shadow concept
• Wedge-Shaped Design is made to move out of the way to absorb trail impacts for a worry-free ride
• Steel pulley cage adds extra strength and durability to the design
• 13t upper and lower pulleys
• Pair with the HyperGlide+ 12-speed 10-51t cassette and Deore M6200 shifter for a stout, reliable, fast-shifting drivetrain suitable for all trail rides (cassette and shifter sold separately)

The most robust Deore XT 12-speed mechanical rear derailleur to date promises a reliable, robust ride for every discipline. It's based around a modern hanger and a new low-profile, wedge-shaped design to avoid impacts on the trail. If it does hit rocks or roots, a spring inside the derailleur helps it absorb impact and return to its original position. With a 510% gear range, the RD-M8200 derailleur is suitable for every ride, be it an enduro race or all-day adventure.

• Shadow ES design provides a slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing Shadow concept
• Wedge-Shaped Design is made to move out of the way to absorb trail impacts for a worry-free ride
• Solid pulley and shielded pulley teeth prevent trail debris from jamming up your flow
• 13t pulley wheels feature sealed bearings to provide smooth movement

The Deore XT LINKGLIDE 11-speed long-cage mechanical rear derailleur delivers ultra-smooth shifting under extreme load, making it ideal for e-bike applications. When paired with the LINKGLIDE 11-speed 11-50t cassette and the M8230 11-speed shifter, the result is a durable, reliable drivetrain with all the new features of the latest Deore XT derailleur, including a low-profile, wedge-shaped design to better avoid impacts and a wide link structure for extra durability

• Shadow ES design provides a slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing Shadow concept
• Wedge-Shaped Design is made to move out of the way to absorb trail impacts for a worry-free ride
• Solid pulley and shielded pulley teeth prevent trail debris from jamming up your flow
• 13t pulley wheels feature sealed bearings to provide smooth movement
• Compatible with all LINKGLIDE 11-50t cassettes

• 11-speed DynaSys compatible • Light Shift Operation With 20% Less Effort • Improved chain stability • Efficient Shifting And Smoother Driving • New Shadow Design With Optimized Slant Angle • New Shift Cable With New Hyper Low-Friction Coating Technology • New Shadow Design With Optimized Slant Angle For Stable Gear Position • Easy-To-Adjust Chain Stabilizer • Efficient Pulley Teeth Design • Direct Mount compatible

Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.

This Shimano RD-U2000 1x 8-speed rear derailleur's smooth operation, low-profile design, and dependability will inspire riders to tackle new challenges and expand their trail-riding comfort zone.

• Optimized geometry and spring tension reduce chain drop provides Stable drivetrain performance on trails, gravel, and city streets
• Features Shimano Shadow RD technology that provides a super low profile design that's intended for more aggressive riding
• Single tension construction prevents the derailleur from hitting the chain stay in rough riding conditions, resulting is smooth and silent performance
• 45t Min/Max low cog
• 11t Min/Max top cog
• Compatible with HG 6/7/8-speed chains

With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience while delivering shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chain stabilizer. The RD-RX810 rear derailleur is compatible with road cassettes with a max cog size of 34T. - Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops - Switch stabilizer ON/OFF to match the terrain - Silent and uninterrupted rear shifting on rough terrain - Low cog: Max. 34T/Min. 30T - High cog: Max. 11T/Min. 11T - Total capacity: 40T - Compatible with current road Dual Control Lever - Maximum front chainring range: 17T

With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience with shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain stabilizer. The RD-RX812 rear derailleur is compatible with MTB cassettes with a max cog size of 42T. - Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops - Switch stabilizer ON/OFF to match the terrain - Silent and uninterrupted rear shifting on rough terrain - Smooth and reliable mixed-surface shifting - Compatible with current road Dual Control Levers - High cog: Max. 11T/Min. 11T - Low cog: Max. 42T/Min. 40T - Total capacity: 31T

- 9-speed SHIMANO SHADOW RD rear derailleur - Low-profile design - Total capacity: 45T - Max. low sprocket: 36T - Adjustment barrel

- 10/11 Speed compatible - MTB: Direct attachment (Shadow) - 42T Max Low Sprocket - 11T Min top Sprocket

The SLX M7100 series of derailleurs deliver advanced shifting performance with decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with Shimano's new 12-speed cassettes boosts range. - Advanced shifting performance provides the confidence to enjoy any trail - Fast and shockless shifting - Hyperglide+ - Extra wide range 12-speed drivetrain -10-51T (12-speed) - Silent drivetrain in all gear positions - Decreased rear derailleur and chain tension in low gear - New bumper added to rear derailleur pulley cage - Bump Stopper - Bigger 13T pulley - Stable drivetrain on rough terrain - Low-profile design - Shimano Shadow RD+

- Rider Tuned For Sharp And Silky Shifts - 20% Light Shifting Operation - New Shadow Design With Optimized Slant Angle - Optislick New Shift Cable With New Hyper Low-Friction Coating Technology - Chain Stability Improved - New Shadow Design With Optimized Slant Angle For Stable Gear Position - Efficient Shifting And Smoother Driving - Efficient Pulley Teeth Design - Increased Traction Range For Long-Travel And Active Rear Suspension - Series : SLX: SLX - Maximum Sprocket : 42T(2x11-speed) or 46T(1x11-speed) - Minimum Sprocket : 11T: 34-38T - Front Difference : 10T: 48.8 - Total Capacity : 41T: 66-69 - Average Weight : 323g: 145.6g

Shimano's Tiagra Rear Derailleur SS (10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: RD-4700-SS - Series: Tiagra - Cassette Compatibility: 10-speed - Maximum Sprocket: low sprocket: 28T / top sprocket: 14T - Minimum Sprocket: low sprocket: 25T / top sprocket: 11T - Maximum Front Difference: 16T - Total Capacity: 33T

Shimano Tourney TX is a basic 8-speed rear derailleur for entry-level sport bikes and riders. Enjoy durable, trouble free, and stable performance. - Maximum cog size: 34t - Total capacity: 43t

Enjoy quality and reliability with the Shimano Tourney 6/7-speed rear derailleur. It makes use of Shimano SIS, HyperGlide, and Double Servo technologies for smooth, accurate shifts. - Wheel-type cable guide - Maximum cog size: 34t - Total capacity: 43t

The Shimano Deore XT RD-M8100/M8120 rear derailleur is designed to provide smooth and stable shifting for 12-speed MTB drivetrains. - Offers fast and shockless shifting - The low-profile design includes a bumper added to the derailleur pulley cage - Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain - Includes large, 13T pulley - Long cage is designed to be used with 1x12 drivetrain systems - Rear Derailleur Mount Type: Shimano Rear Direct Mount, 10x1 Standard - Drivetrain Speeds: 12 - Cage Length: Long - Chain Wrap Capacity (teeth): 41 teeth - Largest Cog: 51 - Weight: 284 g - Rear Der/Shifter Compatibility: Shimano Mountain

The RD-M9100 XTR rear derailleur is intended for use with 1x drivetrains. It is compatible with both 11- and 12-speed cassettes. - Decreased rear derailleur tension at low gear position, to prevent high chain tension - Added bumper at rear derailleur pulley cage - Bigger 13T pulley - Direct mount compatible - Compatible cassette size: 10-51 (12-speed), 10-45 (11-speed) - Total capacity: 35t (GS Medium Cage) / 41t (SGS Long Cage)

SRAM’s Apex 1 drivetrain provides the gear range and the shifting simplicity to let you simply go where you want. The Apex 1 rear derailleur makes that gearing choice a reality with clean, crisp shifts, thanks to SRAM’s X-Horizon geometry and their Roller Bearing Clutch. - X-Horizon design reduces shift force, eliminates ghost shifting and chain slap - Compatible with 10-speed and 11-speed SRAM 1x road systems - With Cage Lock technology, wheel removal and installation are easier than ever - Equipped with Roller Bearing Clutch - Large upper pulley offset automatically adjusts chain gap - Weight: 314 grams - Outer Cage: Steel - Compatibility: 10-speed and 11-speed SRAM 1x road systems - Inner Cage: Steel - Cage Size: Long - Max Tooth: 42t - Pulleys: Sealed cartridge bearings - Pull: Exact Actuation

The Eagle 70 Transmission derailleur is the bedrock of the best cable-actuated Transmission shift experience. It features an all-new T-Type cable actuation ratio to provide the most precise and crisp shifts every time. Utilizing the same Full Mount design as its electronic siblings, the Eagle 70 Transmission derailleur brings strength and dependability to any bike. The derailleur body features replaceable skid plates like GX, X0, and 90 and shares many of the same rebuildable qualities of those high-end derailleurs. Features - Robust Full Mount Design. - T-Type compatibility. - Replaceable skid plates, outer parallelogram link, cage or cage assembly. - New Drag Spring damper. - Black colorway.

The Eagle 90 Transmission derailleur is the definitive answer to how good a cable actuated derailleur can be. It features an all-new T-Type cable actuation ratio to provide the most precise and crisp shifts every time. Utilizing the same Full Mount design as its electronic siblings, Eagle 90 is the strongest mechanical derailleur we have ever produced. Not only is it robust, but the derailleur body features replaceable outer and inner parallelogram links, skid plates, and a tool-free threaded cage assembly, making it the most rebuildable derailleur in the Eagle Transmission Ecosystem. Features - Full Mount Design. - T-Type compatibility. - Silver/black colorway. - Most robust mechanical derailleur. - Replaceable skid plates, outer and inner parallelogram link, cage or cage assembly. - The most rebuildable derailleur in the Eagle Transmission Ecosystem.

Eagle set the standard for wide range 1x, and the S200 derailleur is the workhorse that continues that legacy. Confidently mix and match across the Eagle Drivetrain Ecosystem with compatibility for both 500 and 520% Eagle cassettes. And never be held back as the proven Type 3 clutch brings confident chain retention and quiet descending.
Features
- Backwards compatible, works with both 10-50t and 10-52t Eagle cassettes
- X-Actuation for use with Eagle Drivetrain shifters
- Type 3 clutch for confident and quiet descending

Riders want the derailleur to do its job shifting on command, whether under climbing load or the stage finish. The GX Eagle derailleur gets it done with an updated cage architecture that improves chain management. Refined to work with the new 10-52T cassettes, it's also backward-compatible with 10-50T cassettes for greater versatility and incremental upgrade. It's finished with the new GX Eagle master colorway to complement any cassette and chain colorway a rider wants from the Eagle Colorsystem. - Backward-compatible—works with both 10-50T and newer 10-52T cassettes - Updated cage architecture provides better chain retention and precise shifts

The GX Eagle Transmission derailleur is a lesser version of nothing. It delivers everything an Eagle Transmission derailleur possibly can, and then some. It features a revised battery position and a reconfigured gearbox to better protect itself from impacts. To maintain crisp shifting and striking appearance throughout its entire lifespan, hard-chargers can replace both its protective skid plates and two-piece outer link, if needed, making this the most repairable derailleur we’ve ever made. It also features the first ever tool-free cage and clutch assembly – so it’s both removable and upgradable too. With a steel inner cage that adds even more robustness, it’s been built for riders of the real world. Just like all Eagle Transmission derailleurs, it’s been engineered with a first-of-its-kind Hangerless Interface, mounting around the wheel axle itself and making direct contact with the cassette with no hanger required. The new transmission derailleurs feature the same intuitive pairing and set-up procedure as our Eagle AXS derailleurs. The revolutionary Full Mount attachment method creates a far stronger connection because it grips both sides of the frame. Let the record show that the GX Eagle Transmission derailleur plays second fiddle to nothing. It’s all in for all day. - Revised battery position, reconfigured gearbox, replaceable skid plates and outer link, tool-free cage and clutch - Install and pair via the reliable and familiar standard AXS set-up and pairing procedure - Hangerless Interface, Full Mount attachment method - Radically clear setup process, no adjustment required - AXS battery and Pod controller available separately

This new NX Eagle derailleur features the proven SRAM 1x-specific X-HORIZON design. The larger, 14-tooth X-SYNC lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity, and also adds to NX Eagle's overall smooth-pedaling feel. The Type-3 ROLLER BEARING CLUTCH provides quiet, consistent performance and durability. - Eagle technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents - Eagle is a complete drivetrain system that was developed to be an integrated high-performance ecosystem. The engineering and testing that went into the development provide for maximum performance, safety, and long-term durability to ensure a great consumer ride experience. We guarantee this performance when Eagle drivetrains are used as a complete ecosystem. For additional information, please contact your SRAM Sales Contact. - Completely new rear derailleur incorporating our proven X-HORIZON design and new Type-3 ROLLER BEARING CLUTCH technology - Eagle ecosystem-engineered mounting system and CAGE LOCK positioning add robustness - Eagle pulley technology provides greater efficiency, crisper shifting and quieter operation - Speed (RD): 12s - Cable pull ratio: X-actuation - Cage (RD): Long - Max tooth: 50 - Color (RD): Black - Pulley bearings material: Steel - Cage material (RD): Steel

Elevating the shift, expanding the capable, the X01 Eagle derailleur features an updated cage architecture to provide better chain management than ever. The X01 Eagle rear derailleur works with the new 10-52T cassettes and is backward-compatible with 10-50T options, as well. - Updated cage provides better chain retention and more precise shifts - Backward-compatible design works with 10-50T and 10-52T cassettes

SRAM's X01 Rear Derailleur packs a massive amount of technology into its compact, lightweight body. This 11-speed gear changer uses a “horizontal parallelogram” design that limits all movement to the horizontal axis, reducing the force it takes to shift. The Type 2 clutch is brilliant. This self-lubricating, one-way roller clutch controls your chain tension to eliminate chain slap and give you smooth, consistent shifts over any terrain. For quicker, smoother, more exact shifting, the large upper pulley's offset design maintains a consistent chain gap across all gears.

The TRP EVO RD-M9050 is a high performing 12-speed rear derailleur that offers features such as an Integrated Hall Lock Lever, Horizontal Parallelogram stabilizer, Instant Silent Clutch and Cage Release.

• Integrated Hall Lock Lever stabilizes the rear derailleur to eliminate drivetrain noise
• Intergrated Hall Lock Lever offers an On/Off feature for easy wheel removal and features adjustable clamping force for breakaway optimization
• Horizontal Parallelogram stabilizes the rear derailleur over rough terrain
• Instant, Silent Clutch prevents unwanted chain slap and noise
• Cage Release releases cage spring tension and offers easy wheel removal for maintenance
• Carbon outer cage provides strength and weight savings
• Smooth operating 12t upper and 14t lower pulley wheels feature sealed bearings to provide protection from the elements