Skip to main content

Web Store Open Daily Midnight to 3pm | Learn How We are Handling Sales and Service

Filter By:

  • Show More Brands

  • Show Fewer Brands
  • Show More Sizes
  • Show Fewer Sizes

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

Campagnolo Front Derailleur Braze-On Adapter
$26.00
- Hinged band clamp for fitting braze-on front derailleurs on frames without braze-on mount - Aluminum construction - EPS compatible
Campagnolo Veloce Rear Derailleur (Short-Cage)
$114.99
Campagnolo's Veloce Rear Derailleur uses an advanced-parallelogram design that assures precise and quick shifting. The aluminum construction reduces weight and boosts strength for crisp gear changes. Plus, the pulleys are made from a special material that renders the drivetrain nearly silent.
Campagnolo Chorus 11 Short Cage Rear Derailleur
$253.00
Chorus 11-speed's shifting precision is comparable to its older siblings Record and Super Record. The design and geometry of the rear derailleur are exactly the same. The only difference lies in the materials used, which made it possible to keep a favorable price without lowering the performance levels. A groupset dedicated to competition like the Chorus 11-speed can't forego showing its true competitive spirit, and the carbon fibre front plate is the proof. - The new Chorus HO (Hydrualic Optimized) rear derailleur offers the level of quality of the - - Record series in an affordable package - Carbon main body with aluminum reinforced carbon cage - Pulleys made of a vibration resistant material for smooth function - Ultra-Shift exclusive geometry parallelogram
Campagnolo Record Rear Derailleur
$310.00
Campagnolo's Record Rear Derailleur is the ultimate in shifting accuracy and precision. Its arresting beauty is entwined with the highest technical precision available. Campagnolo uses an advanced-parallelogram design for precise, fast shifting every time. The construction pairs carbon and cold-forged aluminum to create an ultra strong and extremely light derailleur. Plus, the pulleys roll on super-efficient ceramic bearings and are made from a special material that renders the drivetrain silent. - Drivetrain speeds: 11 - Chain wrap capacity: 34 teeth - Min/Max: 11/29 teeth - Cage length: Short - Compatibility: Only compatible with 2015 Campagnolo Chorus, Record, and Super Record - Weight: 170g
Campagnolo Super Record EPS Braze-On Front Derailleur
$735.00
Campagnolo's Super Record EPS Braze-On Front Derailleur delivers electronic precision to your front shifts. Hammer into the big ring and surge forward with a mere touch of a button, under heavy load or out of the saddle it's still as smooth as a dream. An aluminum internal cage plate and external carbon cage is powered by a servo motor to provide the incredibly quick shifting. It's versatile too, working with both standard and compact cranksets and auto-trimming to eliminate chain rub. - Drivetrain speeds: 11 - Derailleur capacity: 16T - Max ring (teeth): 55T - Double or triple: Double - Waterproof to 1 meter for 30 minutes (IP67 rated) - Weight: 127g
Microshift M26 Rear Derailleur
$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
Microshift R9 Front Derailleur
$22.99
Optimized for Shimano compatible 9-speed road drivetrains, R9 front derailleurs feature metal construction and rapid shifting response. - Cold-forged aluminum body
Microshift R539 Front Derailleur
$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
SRAM X4 7-/8-Speed Rear Derailleur
$29.99
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.
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.
SRAM X5 9-Speed Rear Derailleur
$47.00 - $49.00
SRAM's X5 9-Speed Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum construction keeps the weight down, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts.
SRAM X9 9-speed Front Derailleur (High-clamp, Bottom-pull)
$48.00
SRAM's X9 Front Derailleur sports a forged-aluminum cage and a cutout design for exceptional durability with minimal weight. It provides, crisp, precise action for fast, smooth and reliable shifting season in and season out.
SRAM X7 3x10 Front Derailleur (Low-clamp, Dual-pull)
$49.00
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.
SRAM Rival Clamp-On Front Derailleur
$50.00
For unrivaled shifting, upgrade to SRAM's Rival Front Derailleur. Because consistency equals victory, Rival boasts lightweight and durable cold-forged-aluminum construction plus SRAM's Exact Actuation Technology for awesome shifting every time. The Rival shifts beautifully on standard and compact cranksets, too.
SRAM X5 10-Speed Rear Derailleur
$52.00
SRAM's X5 10-Speed Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum construction keeps the weight down, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts.
SRAM X9 3x10 Front Derailleur (High-clamp, Dual-pull)
$56.00
SRAM's X9 Front Derailleur sports an aluminum body, a stiff steel cage and a cutout design for exceptional durability with minimal weight. It provides, crisp, precise action for fast, smooth and reliable shifting season in and season out.
SRAM Apex Rear Derailleur (Medium-cage)
$58.00
SRAM's Apex Rear Derailleur features cold-forged aluminum construction for sweet shifting, dependability and low weight. Designed for SRAM's 10-speed road drivetrains and featuring their Exact Actuation Technology, Apex will provide you with perfect shifting every time.
SRAM Apex Rear Derailleur (Short-cage)
$59.00
SRAM's Apex Rear Derailleur features cold-forged aluminum construction for sweet shifting, dependability and low weight. Designed for SRAM's 10-speed road drivetrains and featuring their Exact Actuation Technology, Apex will provide you with perfect shifting every time.
SRAM X9 2x10 Front Derailleur (High-clamp, Dual-pull)
$61.00
SRAM's X9 Front Derailleur sports an aluminum body, a stiff steel cage and a cutout design for exceptional durability with minimal weight. It provides, crisp, precise action for fast, smooth and reliable shifting season in and season out.
SRAM GX Type 2.1 10-Speed Rear Derailleur
$63.00
SRAM's GX 2x10 rear derailleur provides incredible shifting speed and precision. Exact Actuation technology eliminates slop and shifting variation. Roller Bearing Clutch technology delivers maximum drivetrain stability—even through the most punishing terrain. And with Cage Lock technology, wheel removal and installation are easier than ever.
SRAM Apex Clamp-On Front Derailleur
$63.99
For smooth downshifts and fast upshifts, SRAM's Apex Front Derailleur is engineered for success. Its aluminum body is light as a feather while its steel cage is stiff for precision shifts everytime. The Apex Front Derailleur shifts great on standard and compact cranksets, too.
SRAM Rival 22 Rear Derailleur WiFli (Mid Cage)
$66.00
Incredibly fast, astonishingly quiet and impressively precise—fly through all 11 gears with SRAM's Rival 22 Rear Derailleur. It takes advantage of SRAM's Exact Actuation technology for precision shifts every time. Carefully shaped jockey wheels work together with the sculpted chain pulley cage for lightning-fast, ultra-precise shifts, and an elastomer coating applied to the jockey wheels makes for extra quiet operation. Aluminum inner and outer cages, aluminum links, and stainless steel hardware keep the durable Rival 22 at a svelte 191 grams. Plus, SRAM's WiFLi technology delivers a wider range of gears than your standard triple, faster shifts through two chainrings and every gear on the rear cassette, all with significant weight savings.
SRAM X0 2x10 Front Derailleur (High Direct-mount, Dual-pull)
$75.00
SRAM's X0 Front Derailleur is made from cold-forged aluminum and chrome-plated steel for exceptional reliability and a race-worthy weight. It boast’s SRAM’s X-Glide technology for super-smooth and lightning-quick shifting even under load.
SRAM X0 2x10 Front Derailleur (Low-clamp, Top-pull)
$75.00
SRAM's X0 Front Derailleur is made from cold-forged aluminum and chrome-plated steel for exceptional reliability and a race-worthy weight. It boast’s SRAM’s X-Glide technology for super-smooth, lightning-quick shifting even under load.
SRAM NX 1x11 X-Horizon Rear Derailleur
$80.00
The SRAM NX X-HORIZON rear derailleur provides the same smooth, reliable shifting action as XX1—from the larger upper pulley offset to the 12-tooth X-SYNC pulley wheels. By eliminating unwanted chain movement, X-HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with Cage Lock technology, wheel removal and installation are easier than ever. - X-HORIZON design that reduces shift force, ghost shifting and chain slap - 12-tooth X-SYNC pulley wheels - Fully compatible with all SRAM MTB 1x drivetrains - Most affordable fully featured 1x rear derailleur in the industry - Speeds: 11-speed - Weight: 322 grams - Color: Black - Compatibility: X-ACTUATION - Bearings: Steel - Cage Size: Long - Max Tooth: 42
SRAM NX Eagle Rear Derailleur
$107.00
This new NX Eagle derailleur features the proven SRAM 1x-specific X-HORIZON design. The larger, 14-tooth X-SYNC lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity, and also adds to NX Eagle's overall smooth-pedaling feel. The Type-3 ROLLER BEARING CLUTCH provides quiet, consistent performance and durability. - Eagle technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents - Eagle is a complete drivetrain system that was developed to be an integrated high-performance ecosystem. The engineering and testing that went into the development provide for maximum performance, safety, and long-term durability to ensure a great consumer ride experience. We guarantee this performance when Eagle drivetrains are used as a complete ecosystem. For additional information, please contact your SRAM Sales Contact. - Completely new rear derailleur incorporating our proven X-HORIZON design and new Type-3 ROLLER BEARING CLUTCH technology - Eagle ecosystem-engineered mounting system and CAGE LOCK positioning add robustness - Eagle pulley technology provides greater efficiency, crisper shifting and quieter operation - Speed (RD): 12s - Cable pull ratio: X-actuation - Cage (RD): Long - Max tooth: 50 - Color (RD): Black - Pulley bearings material: Steel - Cage material (RD): Steel
SRAM Force 22 WiFLi Rear Derailleur
$110.00
Incredibly fast, astonishingly quiet, and impressively precise — fly through all 11 gears with SRAM's Force 22 WiFLi Rear Derailleur. It takes advantage of SRAM's Exact Actuation technology for precision shifts every time. Carefully shaped jockey wheels work together with the sculpted cage for lightning-fast, ultra-precise shifts, and an elastomer coating applied to the jockey wheels makes for extra quiet operation. A carbon outer cage, aluminum inner cage, and magnesium inner link keep the Force 22 WiFLi at a svelte 190 grams. The WiFli version shifts up to a 32T max cog for a super-wide gear range.
SRAM GX 2x11 Rear Derailleur
$114.99
Leveraging the legendary history of SRAM shifting, the GX 2x11 rear derailleur provides incredible shifting speed and precision. X-Actuation technology eliminates slop and shifting variation while SRAM's roller bearing clutch technology delivers maximum drivetrain stability—even through the most punishing terrain. And with SRAM's Cage Lock, wheel removal and installation are easier than ever. • X-Actuation for precise and dependable 11-speed performance • Focused chassis design for all conditions and usage • 10-42-tooth wide range cassette compatible
SRAM Rival 1 Rear Derailleur
$115.00
The SRAM Rival 1 rear derailleur is engineered for smooth, reliable shifting action, delivering 100% of what you demand. By eliminating unwanted chain movement, X-HORIZON shifts faster, reducing shift effort and chain slap. - X-HORIZON design reduces shift force while eliminating ghost shifting and chain slap - Large upper pulley offset automatically adjusts chain gap - Sealed cartridge bearings and aluminum cage - Technologies: X-HORIZON, EXACT ACTUATION, X-SYNC, ROLLER BEARING CLUTCH, Cage Lock - Medium cage: 11-26 through 11-36 cassettes, 269g - Long cage: 10-42 cassette, 275 g
SRAM X0 Type 2.1 Rear Derailleur
$272.00
From XC to enduro, SRAM's renowned X0 Type 2.1 Rear Derailleur is a rider's and racer's dream. Expertly crafted from carbon, titanium, and forged aluminum, the X0 is light enough to grace the fastest bikes out there. It's known for its precise, consistent function, efficient 1:1 exact actuation ratio and SRAM's Direct Route cable technology, all of which ensure that every single shift is crisp and lightning-fast. The roller bearing clutch keeps chain slap and derailleur bouncing at bay. Plus, with sealed bearings, this rear changer is built to last, too.
Page 1 of 4 Next page