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> Bicycling > Parts > Derailleurs

Derailleurs

218 Results
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Shimano Deore XT Shadow + Rear Derailleur (Long Cage)
$99.99
Product Rating
 
5.0 stars
 (1 Review)

Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain… [more]

Shimano Deore XT Shadow Rear Derailleur
(Long Cage) (Top-Normal)

Shimano's Deore XT Shadow Rear Derailleur is perfect for today's aggressive, all-mountain riding. The radical design means that the Shadow is super-low profile; it barely protrudes more than the quick release nut. Direct cable routing reduces the chance of the cable snagging on roots and rocks and… [more]

Shimano Dura-Ace 11-Speed Front Derailleur Braze-On
$109.99

The Dura-Ace 11-Speed Front Derailleur is Shimano's top-of-the-line front changer. The body is made of cold-forged aluminum for weight savings and high strength, and the pivots are spaced extra wide for amazing shifting. Through a redesigned pull arm and change in actuation ratio, Shimano has… [more]

Shimano Dura-Ace 11-Speed Rear Derailleur
$219.99

Shimano's Dura-Ace Rear Derailleur boasts a light and reliable cold-forged-aluminum body with a carbon cage and a wide pivot design that boosts rigidity for smooth, speedy shifts. It has fluorine-coated pivots that minimize friction for nearly effortless shifting. The oversize sealed-bearing… [more]

Shimano SLX Dyna-Sys 10-Speed Shadow Rear Derailleur
$79.99

Ride it all with Shimano's SLX Dyna-Sys 10-Speed Shadow Rear Derailleur. The radical design means that the Shadow is super-low profile; it barely protrudes more than the quick release nut. Direct cable routing fires off shifts super quick and reduces the chance of the cable snagging on roots and… [more]

Shimano SLX Rear Derailleur
(Long Cage)
$79.99

Shimano's SLX Rear Derailleur combines the best from the all-mountain group Hone and the XC group Deore LX. Perfect for modern mountain bikes that perfectly blend lightweight with serious burliness, the SLX uses Shimano's low profile shadow technology, straight cable design and rocks a bump stop… [more]

Shimano Tiagra Braze-On Front Derailleur
$37.99

Shimano's Tiagra Braze-On Front Derailleur provides quick shifting. And, the clear-coated aluminum body and plated-steel cage are extra durable so you can enjoy smooth shifts mile after mile. [more]

Shimano Ultegra 11-Speed Rear Derailleur
$54.99 - $89.99
$83.99 - $89.99

Shimano's Ultegra Rear Derailleur delivers category-defining 11-speed shifting. At the heart of the derailleur is a light, tough, cold-forged-aluminum body with a wide, rigid pivot design that maximizes shifting speed and equalizes shift effort across the cassette. Smooth-spinning pulleys use… [more]

Shimano Ultegra Clamp-On Front Derailleur (Triple Chainring)
$59.99 - $89.99

If you're looking for a quick-shifting and reliable front changer, you've found it in Shimano's Ultegra Front Derailleur. Its wide pivots provide flex-free action for surefire shifting every time. [more]

Shimano Ultegra Front Derailleur
$49.99 - $59.99

If you're looking for a high-quality, precision-shifting, light front derailleur, you've found it in Shimano's Ultegra. It's made of cold-forged aluminum with their wide-pivot design that stops flex for smooth, fast and exact shifts, even under load. And this fine derailleur is built tough for… [more]

Shimano Ultegra SL Clamp-On Front Derailleur (Triple Chainring)
$89.99

If you're looking for a quick-shifting triple front derailleur, you've found it in Shimano's Ultegra SL. The wide pivot-link design suppresses flex for light, fast and precise shifts, even under load. And this fine derailleur is built tough for reliability and durability, too. [more]

SRAM Apex Rear Derailleur (Medium-cage)
$80.00

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. [more]

SRAM Apex Rear Derailleur (Short-cage)
$80.00

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. [more]

SRAM Ceramic Bearing Rear Derailleur Pulleys
$137.00

SRAM's Ceramic Bearing Rear Derailleur Pulleys run on super-smooth and efficient ceramic bearings so your drivetrain pedals with ease. They are also lighter than conventional pulleys. These fine pulleys even come with SRAM's ceramic-bearing grease in an easy-to-use 10ml syringe container. [more]

SRAM Force Braze-On Front Derailleur
$63.00

SRAM's Force Front Derailleur is made of light, yet rugged materials to shift like a champ mile after mile. It also lets you trim your shifting for flawless gear changes and it boasts easily accessed limit screws for simple adjustments. Plus, the Force shifts perfectly with both standard and… [more]

SRAM Rival Braze-On Front Derailleur
$55.00

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… [more]

SRAM Rival Rear Derailleur (Medium-cage)
$107.00

Get it all! Awesome shifting, light weight, dependability and great racing looks are yours with SRAM's Rival Rear Derailleur. Designed specifically for 10-speed road drivetrains and constructed of cold-forged aluminum, the Rival takes advantage of SRAM's Exact Actuation Technology for perfect… [more]

SRAM Rival Rear Derailleur (Short-cage)
$93.00

Get it all! Awesome shifting, light weight, dependability and great racing looks are yours with SRAM's Rival Rear Derailleur. Designed specifically for 10-speed road drivetrains and constructed of cold-forged aluminum, the Rival takes advantage of SRAM's Exact Actuation Technology for perfect… [more]

SRAM X5 9-Speed Rear Derailleur
$54.00

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. [more]

SRAM XX1 Eagle Type-3 Rear Derailleur
$289.00
Product Rating
 
5.0 stars
 (1 Review)

This derailleur not only answers the Eagle drivetrain’s need for greater capacity, but is also the next evolution of SRAM's proven, 1x-specific X-HORIZON design. The larger, 14-tooth X-SYNC lower pulley, allows 10- to 50-tooth cassette capacity in this compact design, and also adds to Eagle’s… [more]

Wolf Tooth Components 25mm B-Screw
$2.00

- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs [more]

Shimano 105 Braze-On Front Derailleur
$33.99

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. [more]

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. For use with 11-speed drivetrains. [more]

Shimano 105 Clamp-On Front Derailleur
$34.99

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. [more]

Shimano 105 Clamp-On Front Derailleur
$34.99

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. [more]

Shimano 105 Rear Derailleur (Long Cage)
$57.99

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… [more]

Shimano 105 Rear Derailleur (Long Cage)
$64.99

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… [more]

Shimano 105 Rear Derailleur (Short Cage)
$59.99

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… [more]

Shimano Acera 9-Speed Rear Derailleur
$40.99

Smooth consistent shifts are yours with Shimano's Acera 9-Speed Rear Derailleur. The wide, forged link offers stiffness for enhanced precision and shifting speed, while the low-profile design keeps it clear of trail obstacles. [more]

Shimano Acera M3000 9-Speed Rear Derailleur
$38.99

- Cage Length: Long - Chain Wrap Capacity (Teeth): 45 Teeth - Color: Gray - Drivetrain Speeds: 9 - Largest Cog (Teeth): 36 - Rear Der/Shifter Compatibility: Shimano Mountain - Rear Derailleur Mount Type: 10X1 Standard , Shimano Rear Direct Mount [more]

218 Results
Per Page 30 60
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Chain Reaction Bicycles is your local bicycle shop for the San Francisco Bay Area! Unlike some other shops, we are dedicated 100% to serving the needs of local cyclists; our offerings are exclusively available for in-store pickup. You will find us at 1451 El Camino Real, Redwood City CA, 94063. 650 366 7130. Our Los Altos location closed on September 24th, 2017; we have consolidated all operations within our Redwood City flagship store.  Our hours and directions may be found here. We look forward to taking care of all of your cycling needs, including service! Mike & Steve Jacoubowsky, Partners, Chain Reaction Bicycles. Serving you since 1980!