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Rear
$5.99 - $38.99
- 6061 Forged Alloy
- Made to O.E.M. specifications
- Correct hardness to reduce damage to frame upon impact
$56.99 - $69.99
$70.00 - $75.00
Up to 19% Off
Shimano 105 7000-series components offer much of the same technology and functionality as their top-level 11-speed drivetrains at a more budget-friendly price point. The RD-R7000 rear derailleur provides stable shifting performance and wide-range compatibility in two different cage lengths. The Shadow RD design limits the amount the derailleur sticks out from the side of the bike, reducing the risk of it making contact with objects and bending.
- Maximum cog size: 30t (SS) / 34t (GS)
- Total capacity: 35t (SS) / 39t (GS)
- Pulleys: 11t
- Chain compatibility: HG-EV 11-speed/HG-X11
- Direct mount compatible
$27.99
$31.00
10% Off
The Shimano Altus RD-M310 rear derailleur is a quality, durable replacement rear derailleur for 7 and 8-speed drivetrains.
- 13t upper and 15t lower pulleys
- Maximum cog size: 34t
- Total capacity: 43t
$74.99
$85.00
12% Off
Create a more active urban lifestyle with this durable Shimano CUES RD-U8000 Shadow+ rear derailleur's smooth and decisive shifting performance for 1x11-speed systems. Its low-profile design and chain stabilization give riders the confidence to choose rougher routes. Plus, the 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
- 13t pulley wheels
- Compatible with LINKGLIDE AND HG 11-speed chains
$8.00
Shimano Rear Derailleur Pulley Assemblies
Deore RD-M6000-SGS 10-Speed Rear Derailleur Pulley Set
Fits Brand: Shimano
Drivetrain Speeds: 10
$570.00
Shimano Deore XT RD-M8250 Di2 Wireless Rear Derailleur
Product Description:
The Shimano Deore XT RD-M8250 Di2 Rear Derailleur brings cutting-edge wireless shifting technology to mountain bikers who demand precision, durability, and simplicity. Engineered for seamless integration with Shimano’s latest Di2 12-speed drivetrain, this derailleur offers lightning-fast gear changes with low-profile design and rugged construction for trail, enduro, and all-mountain riding. The robust Shadow RD+ mechanism ensures chain stability on rough terrain, while wireless connectivity eliminates cable clutter and makes setup and maintenance easier than ever.
Key Features:
Wireless Di2 Shifting: Fully wireless communication with Shimano Di2 shifters for instant, reliable gear changes.
12-Speed Compatibility: Optimized for Shimano 12-speed cassettes, delivering a wide gear range with precise indexing.
Shadow RD+ Stabilization: Integrated chain stabilizer reduces chain slap and improves chain retention over rough ground.
Low-Profile Design: Sits closer to the frame to reduce damage risk from obstacles and impacts.
Efficient Battery Management: Shared Di2 battery (BT-DN300) delivers long-lasting power for both derailleurs and shifters.
E-TUBE Project App Compatibility: Fine-tune shifting, update firmware, and customize settings via smartphone or tablet.
Specifications:
Model: RD-M8250
Series: Deore XT Di2
Mount Type: Direct Mount / Standard Hanger
Max Sprocket: 51T
Min Sprocket: 10T
Maximum Front Difference: 0T (1x drivetrain specific)
Total Capacity: 41T
Speeds: 12-speed
Communication: Wireless Bluetooth® Low Energy (BLE) / ANT Private
Chain Stabilizer: Shadow RD+ with ON/OFF switch
Clutch Adjustment: Yes
Weight: Approx. 310 g
Battery: Shimano BT-DN300 (sold separately)
Firmware Updates: Via E-TUBE Project application
$95.99 - $119.00
$130.00
Up to 26% Off
• 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
$930.00
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.
$145.00
With an integrated chain stabilizer, Shimano GRX RD-RX822 12-speed rear derailleurs feature an integrated chain stabilizer 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-GS rear derailleur with medium cage is compatible with 10-45t, 12-speed Shimano MTB cassettes
- Interchangeable, replaceable GS/SGS derailleur cage
- Shadow RD+ design, combined with the adjustable chain stabilizer, 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
$445.00
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
$556.99 - $595.00
$595.00
Up to 6% Off
The Shimano 12-speed Shimano GRX Di2 Dual Control Lever delivers fast, wireless shifting for gravel and mixed-terrain riding. The ergonomic lever features raised hoods, ribbed surface texture, and an anti-slip coating on the brake lever for increased security and control. The hood body bracket shape is newly optimized for seamless integration with flared handlebars while retaining the gravel-specific third button location. To complete the cockpit, RX825 levers are compatible with three satellite shifter options (sold separately) and features Shimano FRONT SHIFT NEXT functionality to maximize rider customization options. The GRX BR-RX820 2-piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point. Despite its smaller construction, the system is exceptionally quiet and easy to maintain.
- Provides a clean cockpit with fast and reliable wireless shifting
- Two easy-to-change CR1632 batteries are long-lasting with a 3-4 year life
- Better comfort and control with anti-slip coating on levers, raised hoods, textured surface, and optimization for use with flared handlebars
- Customizable shifting setup features Shimano's FRONT SHIFT NEXT functionality that allows the user to program a single button to control the front derailleur; Hit the shift button once and the Front Derailleur moves up, hit that same button again and it moves down
- FRONT SHIFT NEXT free’s up a button on the bike for additional functionality
- Compatible with Shimano's SW-RS801-S/T/E satellite shifter (sold separately)
- GRX RX820 2-piston caliper for 25mm frame mounts features 10% wider pad clearance to decrease brake noise
- One-way maintenance-friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic system
- Includes finned L05A pads with a resin compound for enhanced heat dissipation
- Disc brake rotor sold separate
LEFT
- Includes Brake: Yes
- Brake Caliper Mount: Flat Mount
- Hydraulic Hose Length: 1000
- Brake Lever Use: Left
- Hydraulic Fluid Type: Mineral Oil
- Adjustable Reach: Yes
- Double or Triple: Double
- Rotor Included: No
- Color: Black
- Pad Compound: Resin
- Adjustable Contact Point: Yes
- Front Der/Shifter Compatibility: Shimano Road Di2
- Brake Lever Actuation: Hydraulic
- Drivetrain Speeds: 12
- Defined Color: Black
RIGHT
- Includes Brake: Yes
- Brake Caliper Mount: Flat Mount
- Hydraulic Hose Length: 1700
- Brake Lever Use: Right
- Hydraulic Fluid Type: Mineral Oil
- Rear Der/Shifter Compatibility: Shimano Road Di2
- Adjustable Reach: Yes
- Rotor Included: No
- Color: Black
- Pad Compound: Resin
- Adjustable Contact Point: Yes
- Brake Lever Actuation: Hydraulic
- Drivetrain Speeds: 12
- Defined Color: Black
$23.00
Shimano XT RD-M8100 Rear Derailleur Tension and Guide Pulley Set - Fits 12-Speed RD-M8100 Series
Shimano Rear Derailleur Pulley Assemblies
$121.99
$145.00
16% Off
Deore XT RD-M8100 Rear Derailleur
- Offers fast and shockless shifting thanks to HYPERGLIDE+ technology
- 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
- Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low gear
- Medium cage derailleur for 12-speed drivetrain
- Color: Black
- Largest Cog: 45
- Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard
- Cage Length: Medium
- Rear Der/Shifter Compatibility: Shimano Mountain
- Drivetrain Speeds: 12
$665.00
The all-new XTR M9250 long-cage derailleur paired with a standard 10-51T M9200 cassette gives riders and racers the speed, range, and robustness to tackle every trail on the mountain. With built-in Automatic Impact Recovery, an impact-deflecting shape, and simple covered-pulley solutions, this derailleur stands up to harsh trail impacts and still retains its lightning-quick shifting speed and top-level performance.
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.
$665.00
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.
$89.00
$95.00
6% Off
- 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
$47.94
$70.00
32% Off
Shimano's Tiagra Rear Derailleur GS (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-GS
- Series: Tiagra
- Cassette Compatibility: 10
- Maximum Sprocket: low sprocket: 34T / top sprocket: 12T (front double) / 20T low sprocket: 32T / top sprocket: 12T (front triple)
- Minimum Sprocket: low sprocket: 28T / top sprocket: 11T (front double) / 20T low sprocket: 25T / top sprocket: 11T (front triple)
- Maximum Front Difference: 16T (front double) / 20T (front triple)
- Total Capacity: 39T (front double) / 41T (front triple)
$16.00
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.
- Maximum cog size: 34t
- Total capacity: 43t
$15.99
$16.00
On Sale
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.
- Maximum cog size: 34t
- Total capacity: 43t
$470.00
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.
Color: Black
Largest Cog: 34
Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard
Chain Wrap Capacity (teeth): 39
Cage Length: Medium
Rear Der/Shifter Compatibility: Shimano Road Di2
Drivetrain Speeds: 12
$135.00
$145.00
7% Off
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
$496.10
$885.00
44% Off
Shimano's unbelievable Di2 technology has made the leap to the trails with their XTR Di2 drivetrain. This rear derailleur features all of the race-day performance you've come to expect from XTR, and the unrivaled stability, speed, and performance of an electronic drivetrain. Since there aren't any cables to stretch or housing to create friction, shift performance stays amazingly perfect, delivering flawless shifts any time, under any condition. System communication with the front derailleur eliminates chain rub and, if you prefer, the rear derailleur can be optimized to use Shimano's Synchronized Shift technology.
$1,570.00 - $2,030.00
Purpose-built for World Cup-level cross-country speed, the XTR M9200 drivetrain pairs Hyperglide+ shifting with a lightweight, ultra-efficient 1x setup. Quiet, fast, and precise under load, it’s the gold standard for modern XC bikes.
What’s Included
Crankset – XTR 1x 34t direct-mount chainring
Rear Derailleur – XTR 12-speed Shadow RD+ with adjustable clutch
Shifter – XTR 12-speed, I-SPEC EV or 22.2mm handlebar mount
Cassette – XTR 12-speed Hyperglide+ wide-range
Chain – XTR/HG+ 12-speed with Quick Link
Battery & Charger – Shimano electronic system battery and charger
Key Features
Hyperglide+ cassette/chain interface for smooth, fast shifts under load
Shadow RD+ clutch for chain stability and quiet running on rough terrain
34t Direct-mount chainring for great cadence and terrain range
Ideal For
Elite XC racing and marathon events
Riders building a lightweight, precise 1x drivetrain with best-in-class shift quality
Notes
Choose cassette range to match terrain and rider strength
Verify frame and freehub compatibility for chosen cassette and axle standards
$19.99
Dropout Kits For Megatower/Tallboy
- Megatower C, CC 2010+/ Tallboy C, CC 2020+
$79.00
$95.00
17% Off
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
$125.00
$140.00
11% Off
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.
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