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Derailleurs

Inventory may vary and items may be only available at one of our stores. Please call us to make sure the part you are looking for is available at the store you want to visit.

Belmont Wheelworks - 617.489.3577 | ACE Wheelworks - 617.776.2100

Wolf Tooth Components 25mm B-Screw
$3.00
- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs
Sunlite Derailleur Hanger
$6.99
- 6061 Forged Alloy - Made to O.E.M. specifications - Correct hardness to reduce damage to frame upon impact
Third Eye Chainwatcher
$9.99
- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes
Shimano Tourney TY-300 Rear Derailleur, Rivet Mount
$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
Shimano Tourney TX-800 Rear Derailleur
$17.99
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
Shimano Tourney TY-500 Rear Derailleur, Rivet Mount
$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
Shimano Tourney TY-500 Rear Derailleur
$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
SRAM X3 7-/8-Speed Rear Derailleur
$23.00
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.
Shimano Claris Front Derailleur
$24.99 - $26.99
Shimano Claris front derailleurs offer, smooth easy shifts and are compatible with dual-control road shifters as well as flat-bar style Rapidfire Plus shifters.
Shimano Tourney RD-A070 Rear Derailleur
$25.99
The Shimano Tourney rear derailleur offers smooth shifting with SIS and HyperGlide technologies for 7-speed drivetrains. - Maximum cog size: 28t - Total capacity: 37t
Shimano Tourney RD-A070 Rear Derailleur, Rivet Mount
$25.99
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
Shimano Altus RD-M310 Rear Derailleur
$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
Shimano Alivio Front Derailleur
$29.99
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.
Campagnolo Front Derailleur Braze-On Adapter
$30.00 - $39.99
- Hinged band clamp for fitting braze-on front derailleurs on frames without braze-on mount - Aluminum construction - EPS compatible
Shimano Alivio T4000 Triple Front Derailleur
$30.99
Shimano's Alivio FD-T4000 Front Derailleur shifts your 3x9-speed setup beautifully. - Drivetrain Speeds: 9 - Double or Triple: Triple - Shifter Compatibility: Shimano Mountain - Front Derailleur Cable Pull: Dual - Front Derailleur Clamp: 28.6mm (1-1/8") , 31.8mm (1-1/4") , 34.9mm (1-3/8") - Function: Top Swing - Max Ring Size: 48T
Shimano Claris RD-R2000 Rear Derailleur
$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
Shimano Alivio Front Derailleur
$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.
Shimano Claris 8-Speed Rear Derailleur
$32.99 - $35.99
Shimano's Claris 8-Speed Rear Deraileur features smooth 11-tooth pulleys, a light-action spring, and a wide outer-pivot design that increases rigidity for precision shifts every time.
Shimano 105 Clamp-On Front Derailleur
$34.99 - $59.99
Shimano's 105 Clamp-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. For use with 11-speed drivetrains.
Shimano Deore 10-Speed Dual-Pull Triple Front Derailleur (Top Swing, Multi-Clamp)
$34.99
Shimano's Deore 10-speed Front Derailleur sports a lightweight cage that's chrome plated to reduce wear, and the body boasts wide parallel pivots that provide fast, smooth, and reliable shifts every time.
Shimano Deore Front Derailleur (Down Swing)
$34.99
Shimano's Deore Front Derailleur features wide pivots and a rigid cage for awesome shifting and top-notch durability. Made for triple-ring set ups, it's 10-speed compatible. It's a dual-pull, so it'll work with any cable routing, and its design gives you better rear tire clearance.
Shimano Sora Triple Front Derailleur
$34.99
- 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
Shimano 105 Clamp-On Front Derailleur (Triple Chainring)
$37.99
Shimano's 105 Clamp-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.
SRAM X7 2x10 Front Derailleur (Low Direct-mount, Dual-pull)
$38.00
SRAM's X7 Front Derailleur is stiff, light and strong. It provides crisp, precise action for fast, smooth and reliable shifting season in and season out.
Shimano Tiagra Front Derailleur
$38.99 - $40.99
Shimano's Tiagra Front Derailleur provides quick shifting. The clear-coated aluminum body and plated-steel cage are extra durable so you can enjoy smooth shifts mile after mile.
Shimano 105 Braze-On Front Derailleur
$39.99
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 105 Clamp-On Front Derailleur
$39.99
Shimano's 105 Clamp-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 Deore 10-Speed Dual-Pull Triple Front Derailleur (Down Swing,Direct Mount)
$39.99
Shimano's Deore 10-speed Front Derailleur sports a lightweight cage that's chrome plated to reduce wear, and the body boasts wide parallel pivots that provide fast, smooth, and reliable shifts every time. Dual-pull design simplifies setup by working with top or bottom routed shift cables.
Shimano Sora GS 9-Speed Rear Derailleur
$39.99
- Model Number: RD-R3000-GS - Series: SORA - Maximum Sprocket: 34T - Minimum Sprocket: 11T - Maximum Front Difference: 20T - Total Capacity: 43T
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
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