Rear

The Shimano Dura-Ace RD-R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worthy of any podium. A single cage length shifts cassettes from 11-28 to 11-34, offering exceptional versatility. - Ultra-fast rear Di2 shifting - Compact design includes an integrated wireless unit, charger, switch - Wider range capacity - Max. low sprocket: 34t - CFRP rear derailleur plate - LED status indicator - Battery indicator, pairing, adjust mode etc.

Smooth, smart shifting upgrade The Shimano Deore M6250 Di2 kit brings electronic precision shifting to your MTB or e-MTB. The Upgrade Kit includes a rear derailleur, shifter, derailleur battery, battery charger, and fresh chainlink. - Includes RD-M6250-SGS long-cage rear derailleur, optimized for 12-speed, 10-51t cassette pairing - Includes tunable Deore SW-M6250 band-clamp wireless shifter - Includes BT-DN320 derailleur battery and EC-DN100 charger - Brings Di2 electronic shifting to Deore setups - Smooth, reliable gear changes every time - Compatible with MTB and e-MTB drivetrains - Easy installation and setup - Smart system connectivity options

Optimized for impact survivability, the 12-speed mid-cage M9250 rear derailleur is the choice for both Shimano's top enduro athletes and weight-conscious XC racers alike, especially when matched with the 9-45 compact cassette. Featuring all-new wireless Di2 shifting, Automatic Impact Recovery, a redesigned wedge shape and 23 mm of additional ground clearance for a bash-free ride, this rear derailleur stands out for the speed of its shift and its ability to keep riders competitive on the trail. FEATURES: - Robust Design: A wide link structure, skid-plate design, durable carbon plate and solid pulley add robustness and longevity. - RD Protection Function: The new Automatic Impact Recovery function instantly returns the derailleur to its original position after impact. - SHIMANO SHADOW ES: A slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing SHADOW concept. - Precise & Clean Wireless Shifting: Wireless Di2 paired with HYPERGLIDE+ technology result in smooth, precise and instantaneous shifting. - Wedge Shape: The new wedge shape of Shimano’s most survivable rear derailleur to-date avoids more direct impacts, and smoothly glances off rocks if there is a hit. - Protected Battery: Tucked safely inside an enclosed space, the battery won’t budge even in rough terrain, while remaining completely removable for charging.

The Shimano GRX RX827 Di2 Wireless rear derailleur paired with a 10-51t cassette (cassette sold separate) gives riders and racers the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.

• Fully wireless shifting built for rough gravel terrain
• A wide link structure, skid-plate design, durable aluminum plate and solid pulley add robustness and longevity
• Automatic Impact Recovery function instantly returns the derailleur to its original position after impact
• Features Shimano Shadow ES: A slimmer, stronger evolution of Shimano's pioneering chain-stabilizing Shadow RD+ concept
• Tucked safely inside an enclosed space, the battery won’t budge even in rough terrain, while remaining easily removable for charging

With the fast and accurate Di2 shifting technology, the Shimano 12-speed Ultegra RD-R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes.

• Compact design includes an integrated wireless unit, charger, switch
• Wider range capacity
• Max. low sprocket 34t
• LED status indicator
• Battery indicator, pairing, adjust mode etc.

Shimano's GRX RX825 Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34t and 11-36t 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization. - Integrated wireless unit, charging port, and switch allows a compact design - Offers fast and reliable shifting on rough terrain - Adjustable chain stabilizer prevents chain slap - Shimano Shadow RD+ offers a quiter drivetrain by utilizes a stablizer to reduce chain slap and provides a simple solution for chain drops - Gravel-tuned clutch tension features a switch stabilizer ON/OFF to match terrain - ON for gravel, OFF for smooth roads - LED status indicator to easier identify battery life, pairing, adjust mode, etc. - Top sprocket: Max. 11t/Min. 11t - Low sprocket: Max. 36t/Min. 34t - Total Capacity: 40t

The Shimano GRX RX717 Di2 Wireless rear derailleur paired with a 10-51t cassette (cassette sold separate) gives gravel riders the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.

• Fully wireless shifting built for rough gravel terrain
• A wide link structure, skid-plate design, durable aluminum plate and solid pulley add robustness and longevity
• Features Shimano Shadow ES: A slimmer, stronger evolution of Shimano's pioneering chain-stabilizing Shadow RD+ concept
• Tucked safely inside an enclosed space, the battery won’t budge even in rough terrain, while remaining easily removable for charging

Shimano Deore XT RD-M8050 Di2 Rear Derailleur - Accurate and stable shifting in any condition - Instant response - Customized shift speed within Multi-shift - Powerful shifting - Seamless gear change even under high load - Smart and efficient gear selection with Shimano Synchro Shift - Single lever operation - Rider-programmable shift mapping - Drivetrain Speeds: 11 - Maximum Sprocket: 42T(2x11-speed)/46T(1x11-speed) - Minimum Sprocket: 11T - Front Difference: 10T - Total Capacity: 35T - Average Weight: 320 grams

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-RX817 Di2 version offers the digital precision of Shimano electronic shifting, as well as synchronized shifting and 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 - Compatible with current road Dual Control Levers - High cog: Max. 11T/Min. 11T - Low cog: Max. 42T/Min. 40T - Total capacity: 31T

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)

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

With an integrated chain stabilizer, Shimano GRX RD-RX822 12-speed rear derailleurs feature an intergrated chain stablizer that delivers quieter shifting and more secure chain management in rough terrain. The chain tensioner has an ON/OFF switch for easy wheel removal.

• GRX 12 speed rear derailleur for 1x cranks
• Adjustable chain stabilizer prevents chain slapping and drops
• Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
• Maximum front difference: 17T
• Total capacity: 42T
• Low sprocket: Max. 42T/Min. 40T
• Top sprocket: 11T

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

The Shimano RD-RX820 rear derailleur is compatible with 11-34t and 11-36t 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. This rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. The chain tensioner has an ON/OFF switch for outings on smooth surfaces.

Silent and secure rear shifting on rough terrain

Adjustable chain stabilizer prevents chain slap and drops

Shimano Shadow RD+ offers less distraction, a quiet drive train, reduced chain slap and a solution for chain drop

ON/OFF stabilizer switch matches terrain for smooth and reliable shifting on mixed surfaces

Compatible with HG 12-Speed Chains

With an integrated chain stabilizer, Shimano GRX RD-RX822 12-speed rear derailleurs feature an intergrated chain stablizer that delivers quieter shifting and more secure chain management in rough terrain. The chain tensioner has an ON/OFF switch for easy wheel removal.

Shimano RD-RX822-SGS rear derailleur with long cage is compatible with 10-51t, 12-speed Shimano MTB cassettes, meaning you’ll never run out of gears even on the steepest jeep road or high mountain singletrack ascent
Interchangeable, replaceable GS/SGS derailleur cage
Shadow RD+ design, combined with the adjustable chain stablilizer, prevents chain slap and drops
ON/OFF stabilizer switch matches terrain for smooth and reliable shifting on mixed surfaces
Compatible with HG 12-Speed Chains

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 Shimano Deore XT RD-M8100/M8120 rear derailleur is designed to provide smooth and stable shifting for 2 x 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 2 x 12 drivetrain systems - Rear Derailleur Mount Type: Shimano Rear Direct Mount - Drivetrain Speeds: 12 - Cage Length: Long - Chain Wrap Capacity (teeth): 45 teeth - Largest Cog: 45 - Weight: 284 g - Rear Der/Shifter Compatibility: Shimano Mountain

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

• 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.

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.

Shimano Ultegra R8000 Shadow rear derailleur. - Sleek integrated appearance - Low-profile design - Race endurance - Optimized slant angle - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Model Number: RD-R8000 - Series: Ultegra - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Average Weight: 200 grams (short cage type), 210 grams (medium cage type)

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 11-speed LINKGLIDE version of the Deore long-cage mechanical drivetrain has all the same durability-driven features as the 12-speed model, including the Shadow ES wedge-shaped design with a low-profile, slim stabilizer and wide link structure, and a steel pulley cage.

• 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
• Offers excellent range when paired with a LINKGLIDE 11-50t cassette (cassette sold separately)
• Steel pulley cage adds extra strength and durability to the design
• 13t upper and lower pulleys
• Compatible with HG and LINKGLIDE 11-speed chains (sold separately)

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

Explore the benefits of trekking and urban e-biking with this durable Shimano CUES RD-U8020 Shadow+ rear derailleur's smooth and decisive shifting performance for 2x11-speed systems. A low-profile design and chain stabilization give riders the confidence to keep going. Plus, its premium machine-finished aluminum textures showcase the integration of design and engineering. - Seamless shifting and pedaling performance that's made to last - Chain stabilizer reduces chain drop, slap and noise - Shadow+ low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes - Stylish and polished aluminum finish with machine-cut textures - 11t upper and 13t lower pulley wheels - Compatible with LINKGLIDE AND HG 11-speed chains

Tackle trails with this versatile Shimano CUES RD-U6000 Shadow+ 1x10/11-speed rear derailleur's seamless shifting and pedaling. Its low-profile design and chain stabilization give riders the confidence to choose rougher routes. ONLY compatible with Shimano CUES 10- and 11-Speed LINKGLIDE shifters.

• ONLY compatible with Shimano CUES 10- and 11-Speed LINKGLIDE shifters
• Stable drivetrain performance on trails, gravel, and city streets
• Chain stabilizer reduces chain drop, slap and noise
• Shadow+ low-profile design is optimized for rough terrain
• Designed and tested to provide enduring e-biking performance
• 13t pulley wheels
• Compatible with LINKGLIDE AND HG 11-speed chains