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Derailleurs
Inventory varies across our stores. Please call to ensure the product you are looking for is in stock at the location you plan to visit before stopping by. You can always buy online for in-store pickup.
Belmont Wheelworks - 617.489.3577 | ACE Wheelworks - 617.776.2100

$6.99 - $19.99
- 6061 Forged Alloy
- Made to O.E.M. specifications
- Correct hardness to reduce damage to frame upon impact

$9.99
- Prevents chain derailment when shifting to inner ring
- Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes

$11.99
Compatible with DUAL SIS index shifting, the Shimano Tourney TY front derailleur is perfect for 3x7 and 3x6 speed drivetrains.
- Action: TOP SWING
- Angled clamp band design
- Applicable Top-Mid tooth difference: 8T
- Chain line: 47.5/50mm
- Chain stay angle: 66-69
- Top gear teeth: 42T
- Total capacity: 18T

$14.99
M-series rear derailleurs are designed to work with 7, 8, and 9-speed Shimano-compatible mountain and road shifters. These legendary M26 rear derailleurs put cyclists of all ages back on their saddles with as little frustration as possible.
- Robust composite and steel construction
- Compatible with Shimano 7, 8, and 9-speed mountain and road systems

$14.99
The Shimano Tourney TX800 front derailleur offers precise shifting with HYPERDRIVE technology for 3x7 and 3x8 speed drivetrains.
- Action: Top Swing
- Applicable Top-Mid tooth difference: 10T
- Cable Route Type: Dual-Pull
- Chain line: 47.5/50mm
- Chainstay angle: 63-66°
- Top gear teeth: 42T/48T
- Total capacity: 20T

$14.99
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

$15.99
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

$19.99
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

$19.99
Shimano's Tourney long cage rear derailleur incorporates advanced Shimano functions and styling that sets the standard for entry level components.
- TY model comes with resin bracket and plate body for reduced weight
- Zinc-plated adjustment screws for corrosion resistance
- MegaRange compatible
- Includes frame hanger
- Maximum cog size: 34t
- Total capacity: 43t

$21.99
- Painted inner, outer link, and clamp
- 47.5 or 50mm chainline
- Chrome-plated cage
- 9-Speed

$21.99
The Shimano Altus 3x9 speed front derailleur offers light action and improved clearance for wide tires and mud.
- 50mm chainline
- Chrome-plated cage
- 9-Speed

$21.99
Shimano FD-M2000 front derailleurs feature Mega Lite and HyperGlide technologies for smooth and easy operation. They're a perfect replacement for your 3 x 9 drivetrain.

$21.99
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.
- Wheel-type cable guide
- Maximum cog size: 34t
- Total capacity: 43t

$22.99
R8 front derailleurs feature a cold forged aluminum body and are optimized for 7 and 8-speed chains and Shimano-compatible road shifters.

$22.99
The Shimano Tourney RD-A070 rear derailleur provides durable and reliable shifting for 7-speed drivetrains.
- Smartcage design with 11/13t pulleys allows for short cage and a 28t max low cog
- Maximum cog size: 28t
- Total capacity: 37t

$24.00
SRAM's X3 Rear Derailleur is ready for adventure. Its composite and steel construction is tough, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.

$24.99
Optimized for Shimano compatible 9-speed road drivetrains, R9 front derailleurs feature metal construction and rapid shifting response.
- Cold-forged aluminum body

$24.99
XLE front derailleurs deliver seamless compatibility with Shimano mountain systems, allowing you to repair or upgrade at an attractive price.

$25.99
Full metal construction provides stiffness and durability in this Shimano 9-speed road compatible front derailleur.
- Full aluminum construction
- Compatible with 9-speed Shimano road drivetrains
- Designed for use with 52/42/30T chainrings

$27.99
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

$28.99
Claris R2000 series offers reliable functionality at a price point for new riders. Designed for easy rides around town with the durability to handle a long tour, Claris R2000 has a sporty design and promises the opportunity of comfortable and casual riding.

$28.99
Claris R2000 series offers reliable functionality at a price point for new riders. Designed for easy rides around town with the durability to handle a long tour, Claris R2000 has a sporty design and promises the opportunity of comfortable and casual riding.

$31.99 - $35.99
Shimano's Claris rear derailleur is a perfect replacement part or upgrade for 8-speed road drivetrains. HyperGlide technology results in smoother, faster shifting.
- Maximum cog size: 32t (SS) / 34t (GS)
- Total capacity: 37t (SS) / 43t (GS)
- Pulleys: 11t
- Chain compatibility: HG 8-speed

$32.00
SRAM's X4 Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum and steel construction delivers through the roughest trail, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.

$32.99
Shimano's Alivio Front Derailleur features wide pivots and a rigid cage for fast shifting and trail-worthy durability. This 9-speed compatible derailleur also gives you clearance for mud guards or wide tires.

$34.99
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

$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

$36.99
- Model Number: FD-R3030
- Series: SORA
- Top Gear Teeth: 50T
- Chain Stay Angle: 63-66
- Chain Line: 45
- Models: Braze-on and band clamp available
- Band clamp model includes shims for 31.8/28.6mm seat tubes

$39.99
Shimano's Acera rear derailleur makes use of advanced designs that make it shift better and last longer. HyperGlide technology results in faster shifting, and Double Servo technology utilizes a double servo-panta mechanism that enables the rear derailleur to track perfectly to each shift and maintain an optimum distance from each sprocket.
- Maximum cog size: 34t
- Total capacity: 45t
- Pulleys: 11t
- Chain compatibility: HG 9-speed
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