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Derailleurs

Microshift M21 Rear Derailleur
$12.99
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems
Microshift M21 Rear Derailleur
$12.99
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems - Long cage for double or triple cranksets and 32T max cassette cog - Includes frame hanger attachment for use with older frame designs
K-Edge K-EDGE 1x Mountain Chain Guide
$99.99
K-EDGE MTB Chain Guide is built to be the strongest and lightest solution to withstand the pedaling force of a derailed single ring chain in World Cup race conditions. - Full-cage design for chain retention under the most abusive cross situations - Braze-on mount and braze-on adapter clamp compatible - Fully adjustable for height, center-line, and angle - Optimized for 10 and 11spd drivetrains - CNC Machined from 6061-T6 Aluminum (no plastic parts) - Stainless Steel Hardware - Weight: 60.8 grams (excluding braze-on adapter clamp) - Compatibility: Single-ring bikes; frames with integrated braze-on front derailleur mount; also compatible with braze-on adapter clamps. All necessary hardware included - Optimized for 34T to 44T Chain Rings - “Hard to fit kits” may be needed for current applications, please contact Info@k-edge.com - Made in Boise, Idaho, USA - Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded
Shimano Sora SS9-Speed Rear Derailleur
$39.99
- Model Number: RD-R3000-SS - Series: SORA - Maximum Sprocket: 32T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Total Capacity: 37T
SRAM SX Eagle Rear Derailleur
$89.99
The SX Eagle derailleur features the proven SRAM 1x-specific X-HORIZON design and easily facilitates 11-50T and 10-52T cassette capacity, providing quiet, consistent performance and durability. - X-SYNC pulley technology provides greater efficiency, crisper shifting, and quieter operation. - Cage Lock offers discovery-level riders easy trailside wheel removal.
Shimano Altus RD-M310 Rear Derailleur
$29.99
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
Shimano Ultegra RD-X805 Di2 Rear Derailleur
$299.99
Ultegra RX brings Shimano's pioneering chain stabilizing technology to road cycling, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. No longer is the road bike narrowly defined. Shimano Ultegra RX broadens the notion of drop bar riding and emboldens cyclist to explore further. - Chain Stabilizer mechanism adopted from MTB design - Stabilizer ON/OFF switch - Compatible with current road dual control lever - Shadow RD technology - Direct mount compatible - Maximum cog size: 34t - Total capacity: 39t
Shimano SLX Side Swing Front Derailleur
$29.99
- Enhanced Stability, Maneuverability And Shifting Efficiency - New Side Swing Design For Large Wheel Bikes - Efficient Cable Routing For Light Shift Operation - Sophisticated Chain Guide For 2X11-Speed Fcw New Spike Construction Gears - Versatile Specification Compatible With Traditional Mounting Options - Wider Clearance For Large Wheels - Compatible With Shorter Chain Stays - 50% More Shifting Power (Outward) (Vs. Current Xt, Fd-M7020 Only) - Increased Traction Range For Long-Travel And Active Rear Suspension - Series: SLX - Swing Action: Side Swing - Top Gear Teeth: 34-38T - Chain Line: 48.8 - Chain Stay Angle: 66-69 - Average Weight: 136g - Clamp diameter: 34.9 w/included shims
Shimano Ultegra RD-X800 Rear Derailleur
$117.99
Ultegra RX brings Shimano's pioneering chain stabilizing technology to road cycling, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. No longer is the road bike narrowly defined. Shimano Ultegra RX broadens the notion of drop bar riding and emboldens cyclist to explore further. - Chain Stabilizer mechanism adopted from MTB design - Stabilizer ON/OFF switch - Compatible with current road dual control lever - Shadow RD technology - Direct mount compatible - Maximum cog size: 34t - Total capacity: 39t
Microshift R9 Rear Derailleur
$29.99
R-series rear derailleurs are designed to work with Shimano-compatible road shifters. These R9 rear derailleurs combine compatibility, weight savings, and a robust design. - Weight-saving aluminum bracket body and outer link - Steel pulley cage for extra chain-rub durability - Compatible with Shimano 9 and 10-speed road systems - Not compatible with Shimano Tiagra 4700 road system - Short cage for double crankset 28T max cog setup - Medium cage for double crankset and 34T max cog - Long cage for triple crankset and 28T max cog
Microshift Marvo LT Rear Derailleur
$24.99
M-series rear derailleurs are designed to work with 7, 8, and 9-speed Shimano-compatible mountain and road shifters. Marvo LT rear derailleurs are built with precision rigid aluminum construction. Let these miracle workers get any bike rolling again. - Lightweight aluminum construction - Steel pulley cage for extra chain-rub durability - Compatible with Shimano 7, 8, and 9-speed mountain and road systems
SRAM XX1 Eagle AXS Rear Derailleur
$700.00
More than a mechanical derailleur with a battery and a motor bolted on, the Eagle AXS derailleur is the heart of the whole AXS system. It features a shorter cage for 10mm more ground clearance, with more chain wrap on the cassette to sit slightly further forward, and further inboard from mechanical Eagle. Instantaneous shifts from a single touch even while under World Cup-winning chain loads recorded in the heat of racing and affirmed in the test lab. Tested to IP69K water and dust proofing standard so whatever race day brings, you’re ready. - XC focus and trail ready - Carbon cage - Ti hardware - Rainbow colorway - Eagle technology - Overload Clutch protection - AXS enabled componentry software that makes it possible to both program and personalize new SRAM and RockShox components - System is completely water and dust proof to IP69K - Eagle AXS is designed to work with X-DOME Eagle cassettes only, providing the most precise, silent, and reliable shift performance available. - Battery sold separately
Shimano XT M8100 Rear Derailleur for 1x Drivetrains
$124.99
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
Shimano 105 Braze-On Front Derailleur
$49.99
Shimano's 105 Braze-On Front Derailleur sports a cold forged-aluminum body with Shimano's extra wide-pivot design for lightning-quick and super-smooth shifts. The steel cage ensures excellent durability.
Shimano Ultegra R8050 Di2 Front Derailleur
$239.99
Shimano Ultegra R8050 Di2 front derailleur. - Quick and smooth front shifting under high pedaling torque - Programmed control of chain guide - Shimano Synchronized shift - Full and semi synchronized shifting program - Redesigned to fit wider gear pitch without sacrificing shifting - Shorter length of rear center (410mm) with O.L.D. 135mm - System communication with rear derailleur, Programmed control of chainguide works for minimal chance of chain drop - Top Gear Teeth: 46-53T - Chain Stay Angle: 61-66 - Chain Line: 43.5 - Average Weight: 132 grams
Shimano XTR Mechanical Front Derailleur (Direct Mount)
$93.99
• Alloy cage with titanium hardware offers light and durable performance • Side-swing design better accomodates more suspension designs and an additional 15mm of tire clearance • Increased pull strength provides faster shifting • 48.8mm Chainline Down Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Dual Pull • Front Derailleur Clamp: High Direct Mount • Front Derailleur Style: Traditional • Max Ring (teeth): 38 teeth Side Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: High Direct Mount • Front Derailleur Style: Side Swing • Max Ring (teeth): 38 teeth Side Swing, Triple • Derailleur Capacity: 18 • Double or Triple: Triple • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: High Direct Mount • Front Derailleur Style: Side Swing • Max Ring (teeth): 40 teeth
SRAM Force 1 Rear Derailleur
$225.00
The SRAM Force 1 rear derailleur adopts all the technologies of SRAM 1x MTB to provide the fastest, quietest 1x shifting available. SRAM’s unique clutch system eliminates chain slack, providing for smoother, quieter, and more secure chain travel. - A dedicated 1x rear derailleur - EXACT ACTUATION for fast and accurate shifts using SRAM’s 1:1 actuation ratio (shifter cable travel: derailleur movement). - 10- and 11-speed compatible - X-SYNC pulley features a 12-tooth design that helps control the chain’s lateral movement - X-HORIZON “straight parallelogram” design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force - ROLLER BEARING CLUTCH’s one-way roller clutch controls chain tension for consistent shifting - Cage Lock technology makes for fast wheel changes or chain installation - Available in Short: 11-26 through 11-28 / Medium: 11-26 through 11-36 / Long 11-32 through 10-42 cage lengths Short Cage: Chain Wrap Capacity (teeth): 18 teeth Largest Cog: 28 Weight: 250 g Medium Cage: Chain Wrap Capacity (teeth): 26 teeth Largest Cog: 36 Weight: 262 g Long Cage: Chain Wrap Capacity (teeth): 32 teeth Largest Cog: 42 Weight: 271 g
Shimano Sora Double Front Derailleur
$36.99
- Model Number: FD-R3000 - Series: SORA - Top Gear Teeth: 46-52T - Chain Stay Angle: 61-66 - Chain Line: 43.5 - Models: Braze-on and band clamp available - Band clamp model includes shims for 31.8/28.6mm seat tubes
Microshift R538 Front Derailleur
$25.99
The microSHIFT R538 front derailleur is designed for 3 x 8-speed drivetrains, and is compatible with Shimano 8-speed systems.
Microshift Mezzo Rear Derailleur
$20.99
M-series rear derailleurs are designed to work with 7, 8, and 9-speed Shimano-compatible mountain and road shifters. These Mezzo rear derailleurs are light, robust, and reliable. You can count on them to get any bike on the road. - Weight-saving aluminum bracket body and outer link - Steel pulley cage for extra chain-rub durability - Compatible with Shimano 7, 8, and 9-speed mountain and road systems
Shimano Tourney TY-300 Rear Derailleur, Rivet Mount
$19.99
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
SRAM RED eTap Rear Derailleur
$649.00
The SRAM RED eTap rear derailleur executes shifts the instant you demand, wirelessly. It's easy to set up, clean in appearance, and delightfully uncomplicated. Mechanical necessities, such as a carbon pulley cage, ceramic pulley bearings, and anodized alloy artfully blend with proprietary electronic advancements to deliver a shifting wonder. - SRAM eTap shift logic and wireless operation - Fits all 11-speed SRAM road cassettes up to 11-32T - 2x and 1x compatible - Updated version of the original SRAM RED eTap rear derailleur - Orbit chain management technology keeps drivetrain quiet and secure - Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency - Compatible with existing eTap batteries
SRAM RED Rear Derailleur
$280.00
With SRAM's RED Rear Derailleur, SRAM set out to make their already race-proven design lighter, faster, and quieter. Through careful analysis of design, material selection, and component integration, they achieved all three. Refined shaping and a hollow titanium fixing bolt lighten the overall weight while maximizing performance. Carefully sculpted jockey wheels work together with the new chain pulley cage for lightning-fast, ultra-precise shifts. An updated elastomer coating applied to the jockey wheels makes for extra quiet operation. Plus, a redesigned shift cable routing makes set-up and adjustment easier than ever! Light, fast, and quiet, the RED derailleur delivers!
SRAM RED eTap AXS Rear Derailleur
$709.99
The heart of the connected cadre. The SRAM RED eTap AXS rear derailleur is AXS enabled for easy personalization and designed for both 1x and 2x systems. Advanced chain management keeps it silent and secure no matter the terrain. The derailleur also comes with faster pulleys, bearings, motors, and signals, improving speed in every way. - SRAM AXS-enabled for easy personalization - Orbit chain management technology keeps drivetrain quiet and secure - A single rear derailleur for all gearing combinations, including 1x and 2x - Improved motor and signal travel for faster shifting - Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency - Compatible with existing eTap batteries - Battery sold separately
Wolf Tooth Components 25mm B-Screw
$1.00
- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs
Shimano 105 Rear Derailleur (Short Cage)
$84.99
Shimano's 105 Rear Derailleur delivers high-end function with upscale looks. With a body of light, durable cold-forged aluminum in Shimano's wide-pivot design with their light-action spring, rear shifting is practically effortless and always super smooth. The top pulley stays a uniform distance from each cassette cog ensuring that every shift resonates with the plunk of exact gear engagement.
Shimano XTR FD-9100 Side Swing Front Derailleur
$129.99
Shimano Side Swing front derailleurs feature improved cable routing for smooth and efficient front shifting effort and increased clearance for larger tires and shorter chainstays. - Optimal front system for internal cable routing - Enhanced maneuverability with plus-sized tires - Increased shifting efficiency and light and smooth operation force - D, E, M type mounts are available - M type mount requires 34.9mm adapter
Shimano Alivio FD-M4020 Side Swing Front Derailleur
$27.99
Shimano Side Swing front derailleurs feature improved cable routing for smooth and efficient front shifting effort and increased clearance for larger tires and shorter chainstays. - Optimal front system for internal cable routing - Enhanced maneuverability with plus-sized tires - Increased shifting efficiency and light and smooth operation force
Shimano XTR Mechanical Front Derailleur (High Clamp)
$124.99
• Alloy cage with titanium hardware offers light and durable performance • Side-swing design better accomodates more suspension designs and an additional 15mm of tire clearance • Increased pull strength provides faster shifting • 48.8mm Chainline Down Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Mountain • Front Derailleur Cable Pull: Dual Pull • Front Derailleur Clamp: 31.8 (1-1/4") , 28.6 (1-1/8") , 34.9 (1-3/8") • Front Derailleur Style: Traditional • Max Ring (teeth): 38 teeth Side Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: 31.8 (1-1/4") , 28.6 (1-1/8") , 34.9 (1-3/8") • Front Derailleur Style: Side Swing • Max Ring (teeth): 38 teeth Side Swing, Triple • Derailleur Capacity: 18 • Double or Triple: Triple • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: 31.8 (1-1/4") , 28.6 (1-1/8") , 34.9 (1-3/8") • Front Derailleur Style: Side Swing • Max Ring (teeth): 40 teeth
Shimano 105 Rear Derailleur (Long Cage)
$84.99
Shimano's 105 Rear Derailleur delivers high-end function with upscale looks. With a body of light, durable cold-forged aluminum in Shimano's wide-pivot design with their light-action spring, rear shifting is practically effortless and always super smooth. The top pulley stays a uniform distance from each cassette cog ensuring that every shift resonates with the plunk of exact gear engagement.