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Rear

Shimano Deore XT Shadow + Rear Derailleur (Long Cage)
$97.99
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 engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.
Campagnolo Super Record EPS Rear Derailleur
$780.00
Campagnolo's Super Record EPS Rear Derailleur's arresting beauty is entwined with the pinnacle in rear shifting accuracy and precision. Campagnolo uses an advanced-parallelogram design and the extremely high-quality servo motors for precise, fast shifting of up to all 11 gears from a single push of a button. Or stop on any cog and the position sensor makes micro-adjustments to ensure perfect alignment. And this top-tier Italian bike jewelry is constructed from 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 rubber that renders the drivetrain virtually silent.
Shimano SLX M7000-GS Rear Derailleur Cage Plate
$12.00
- Replacement plate for M7000-GS rear derailleur - Choose Inner or Outer
Campagnolo Record EPS Rear Derailleur
$545.00
Italian beauty meets electronic precision in Campagnolo's brilliant Record EPS Rear Derailleur. Campagnolo uses an advanced parallelogram design for impeccable, lightning-fast shifting of up to all 11 gears with a single button push. Stop on any gear in between and the position sensor makes micro-adjustments to ensure perfect alignment 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 rubber that renders the drivetrain virtually silent.
Campagnolo Potenza 11 Medium Cage Rear Derailleur
$170.00
If the Potenza 11 rear derailleur looks almost identical to that of the Super Record, it is because its design takes a great deal of inspiration from the recently launched Revolution 11+ drivetrains and guarantees a similar degree of shifting performance as a result. Changing only the materials used in its construction the Potenza 11 rear derailleur is capable of shifting with the precision and speed of the Super Record version with the only compromise coming in the form of weight. Thanks to sophisticated solutions such as Embrace technology, riders using Potenza 11 can count on highly efficient power transfer, secure grip, efficient chain/cassette interface and longer component life previously attributed only to the elite mechanical transmissions from Campagnolo. The Potenza 11 rear derailleur takes top-end performance and technology and takes its versatility one step further by adding a medium cage version capable of shifting flawlessly with an 11-32 cassette. There is now no mountain tall enough nor any climb too steep for Campagnolo. - Lightweight technopolymer upper and lower bodies reduce weight - Features the same shape of Super Record, offering similar shifting performance - Special lightweight rubber pulleys reduce friction and noise - Compatible with Potenza and model year 2015 and newer Chorus, Record and Super Record-Pulley rollers on bushings in sintered material - Drivetrain Speeds: 11 - Cage Length: Medium - Chain Wrap Capacity (teeth): 37 teeth - Largest Cog: 32
Campagnolo Potenza 11 Short Cage Rear Derailleur
$170.00
If the Potenza 11 rear derailleur looks almost identical to that of the Super Record, it is because its design takes a great deal of inspiration from the recently launched Revolution 11+ drivetrains and guarantees a similar degree of shifting performance as a result. Changing only the materials used in its construction the Potenza 11 rear derailleur is capable of shifting with the precision and speed of the Super Record version with the only compromise coming in the form of weight. Thanks to sophisticated solutions such as Embrace technology, riders using Potenza 11 can count on highly efficient power transfer, secure grip, efficient chain/cassette interface and longer component life previously attributed only to the elite mechanical transmissions from Campagnolo. - Lightweight technopolymer upper and lower bodies reduce weight - Features the same shape of Super Record, offering similar shifting performance - Special lightweight rubber pulleys reduce friction and noise - Compatible with Potenza and model year 2015 and newer Chorus, Record and Super Record - Pulley rollers on bushings in sintered material - Drivetrain Speeds: 11 - Cage Length: Short - Chain Wrap Capacity (teeth): 37 teeth - Largest Cog: 29 - Weight: 211 grams
Campagnolo Super Record Rear Derailleur
$593.00
Campagnolo's Super Record Rear Derailleur is the choice of professionals and is a perfect fit for your dream bike. 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 employs carbon and cold-forged-aluminum hardware 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: 166g
Shimano Tiagra Rear Derailleur
$59.99 - $65.49
Shimano's Tiagra Rear Derailleur has everything you need for your drivetrain: 11-tooth pulleys for smooth, quiet chain movement, a light-action spring, and a wide outer-pivot design that increases rigidity for precision shifts every time.
Wolf Tooth Components 25mm B-Screw
$1.00
- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs
Shimano Dura-Ace Di2 Rear Derailleur
$659.99
Put the future of shifting under your control with Shimano's Dura-Ace Di2 electronic rear derailleur. Feather-light cold-forged aluminum and carbon fiber construction offer exceptional weight savings and extreme durability. The Di2 9070 rear derailleur is optimized for Shimano's 11-speed drivetrains, and uses their proprietary E-Tube wiring technology for waterproof connections and simple installation. Sealed pulley bearings ensure smooth operation, and crash protection mode moves the derailleur inward and out of harms way if your bike takes a tumble.
Shimano XTR Shadow Plus Rear Derailleur (Medium Cage)
$199.99
Shimano blows us away again with the XTR Shadow Plus 10-speed rear derailleur. The Shadow design is already well known and loved for its direct cable routing and low profile that greatly lessens the risk of snagging your cable on roots or tagging your derailleur on rocks. Shimano's Plus derailleur technology is a one-way clutch system that stabilizes the cage and your chain when ripping over rough terrain. Chain slap and noise is virtually eliminated and dropped chains are practically a thing of the past. Of course, it retains XTR's legendary smoothness, light action and super precise shifting. Once you ride a Plus derailleur, you'll never want to ride without it!
Shimano Ultegra R8000 Shadow Rear Derailleur
$94.99 - $99.99
Shimano Ultegra R8000 Shadow rear derailleur. - Sleek integrated appearance - Low-profile design - Race endurance - Optimized slant angle - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Model Number: RD-R8000 - Series: Ultegra - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Average Weight: 200 grams (short cage type), 210 grams (medium cage type)
Campagnolo Veloce Rear Derailleur (Short-Cage)
$125.00
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 Record 11 Medium Cage Rear Derailleur
$350.00
The Campagnolo Record mechanical groupset has always been associated with the greatest cycling successes in pro and amateur races the world over. These victories achieved by this racing bike groupset over the years are a testament to the extreme quality of craftsmanship, technology and fine materials that have always made it stand out as a distinctive product. With the Record 11 Medium Cage Rear Derailleur and Campagnolo quality, you can be sure that victory will be within reach. - Carbon fiber front plate with lightening holes and cage, alloy fixing bolts - Campagnolo Ultra-Shift parallelogram maximizes stiffness, shifting speed and precision - Lightweight technopolymer pulleys in sintered material - Compatible with Potenza and model year 2015 and newer Chorus, Record and Super Record - Not compatible with pre-2015 Campagnolo drivetrains - Drivetrain Speeds: 11 - Cage Length: Medium - Chain Wrap Capacity (teeth): 37 teeth - Largest Cog: 32
Campagnolo Chorus 11 Medium Cage Rear Derailleur
$270.00
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. - Carbon fiber front plate and cage and alloy fixing bolts - Campagnolo Ultra-Shift parallelogram maximizes stiffness, shifting speed and precision - Special lightweight rubber pulleys reduce friction and noise - Compatible with Potenza and model year 2015 and newer Chorus, Record and Super Record - Not compatible with pre 2015 Campagnolo drivetrains - Pulley rollers on bushings in sintered material - Drivetrain Speeds: 11 - Cage Length: Medium - Chain Wrap Capacity (teeth): 37 teeth - Largest Cog: 32
Shimano SLX Shadow Plus 11-Speed Rear Derailleur
$72.99
- Rider Tuned For Sharp And Silky Shifts - 20% Light Shifting Operation - New Shadow Design With Optimized Slant Angle - Optislick New Shift Cable With New Hyper Low-Friction Coating Technology - Chain Stability Improved - New Shadow Design With Optimized Slant Angle For Stable Gear Position - Efficient Shifting And Smoother Driving - Efficient Pulley Teeth Design - Increased Traction Range For Long-Travel And Active Rear Suspension - Series : SLX: SLX - Maximum Sprocket : 42T(2x11-speed) or 46T(1x11-speed) - Minimum Sprocket : 11T: 34-38T - Front Difference : 10T: 48.8 - Total Capacity : 41T: 66-69 - Average Weight : 323g: 145.6g
Shimano Ultegra 11-Speed Rear Derailleur
$85.49 - $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 sealed bearing to keep out the dirt and ensure quiet running in the miles to come.
Shimano Deore XT Shadow Rear Derailleur (Mid Cage) (Top-Normal)
$89.99
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 fires off shifts super quick. A stronger spring keeps the body more stable when blasting through technical terrain at speed and yields a firm, crisp shifting feel. Plus, the redesigned bracket axle keeps the derailleur body from contacting your chainstay and reduces chatter so you just concentrate on the best line.
Shimano ZEE Shadow + Rear Derailleur
$69.99
Run silent, run deep. Shimano's ZEE rear derailleur uses a short cage and a Shadow profile to keep tucked out of the way of rocks, roots, whatever. The Plus part is a one-way clutch system that stabilizes the cage and your chain when ripping over rough terrain. Chain slap and the noise that goes with it, as well as dropped chains, are virtually eliminated. Of course, it still has the smooth action and sniper-like shifting that Shimano is rightly famous for. Freeriders and trail riders can run a typical MTB cassette like an 11-32, 11-34, or 11-36. And DHers can choose the close-ratio version and run a road cassette like 11-23, 11-25 or 11-28.
Shimano Deore XT Shadow + Rear Derailleur (Mid Cage)
$97.99
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 engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.
Shimano Deore XT Shadow Rear Derailleur Direct Mount (Long Cage)
$84.99
Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. The Direct Mount uses less parts and provides a solid connection to your machine. The Shadow design tucks the rear derailleur closer to the wheel, which keeps it out of the way of roots and rocks as you're flying down the trail. A strong spring prevents chain slap, reducing noise while on the trail, and improving chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.
Shimano 105 Rear Derailleur (Long 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 from each cassette cog ensuring that every shift resonates with the plunk of exact gear engagement.
Shimano 105 Rear Derailleur (Short Cage)
$54.99
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 Ultegra 11-Speed Di2 Rear Derailleur
$244.99
Shimano's electric-shifting 11-speed Ultegra Di2 Rear Derailleur is driven by battery power and a servo motor, so shifts are fast, precise, and perfect every time. It's made of light, tough cold-forged aluminum while mid-cage and short-cage models give you your choice of cassette. Since there aren't any cables or housing to stretch or fail, maintenance is dramatically reduced and shifting accuracy is unprecedented. This high-tech derailleur is even designed to move inward under impact to reduce the potential for damage in a crash.
Shimano Deore Shadow Rear Derailleur (Mid Cage)
$64.99
Shimano's Deore Shadow Rear Derailleur is ready for mountain bike action. The Shadow design tucks the rear derailleur closer in to the wheel, reducing damage from rocks, roots, and trail obstacles. When it comes to gear changes, Shimano's Dyna-Sys supplies consistent, smooth shifting across the entire cassette.
Shimano Deore Shadow Rear Derailleur (Long Cage)
$64.99
Shimano's Deore Shadow Rear Derailleur is ready for mountain bike action. The Shadow design tucks the rear derailleur closer in to the wheel, reducing damage from rocks, roots, and trail obstacles. When it comes to gear changes, Shimano's Dyna-Sys supplies consistent, smooth shifting across the entire cassette.
Shimano Alivio Rear Derailleur (9-speed)
$43.99
Shimano's Alivio Rear Derailleur is built to withstand the rigors of off-road riding, with a lightweight aluminum body and low-friction pivots for incredibly easy and smooth shifting. And, the Alivio features 11-tooth pulleys, which alternate chain-link contact reducing wear and smoothing pedaling.
Shimano XTR Shadow Plus Rear Derailleur (Medium Cage)
$230.99
From top-tier XC racing to punishing enduro stages, Shimano defines the rear derailleur with their XTR Shadow Plus 11-speed model. The Shadow design is already well known and loved for its direct cable routing and low profile that greatly lessens the risk of snagging your cable on roots or tagging your derailleur on rocks. Shimano's Plus derailleur technology is a one-way clutch system that stabilizes the cage and your chain when ripping over rough terrain. Chain slap and noise is virtually eliminated and dropped chains are practically a thing of the past. And of course, it retains XTR's legendary smoothness, light action and super precise shifting. The medium-cage design matches perfectly with XTR's double and single ring cranks and 11-speed cassette, offering a crisp, defined gear range.
Shimano XTR Shadow Plus Rear Derailleur (Long Cage)
$230.99
From top-tier XC racing to punishing endurance stages, Shimano defines the rear derailleur with their XTR Shadow Plus 11-speed model. The Shadow design is already well known and loved for its direct cable routing and low profile that greatly lessens the risk of snagging your cable on roots or tagging your derailleur on rocks. Shimano's Plus derailleur technology is a one-way clutch system that stabilizes the cage and your chain when ripping over rough terrain. Chain slap and noise is virtually eliminated and dropped chains are practically a thing of the past. And of course, it retains XTR's legendary smoothness, light action and super precise shifting. The long-cage design matches perfectly with XTR's new triple cranks and 11-speed cassette, offering Shimano's mega-wide gear range.
Shimano XTR Di2 Rear Derailleur (Medium Cage)
$630.99
Shimano's unbelievable Di2 technology has made the leap to the trails with their XTR Di2 drivetrain. This rear derailleur features all of the race-day performance you've come to expect from XTR, and the unrivaled stability, speed, and performance of an electronic drivetrain. Since there aren't any cables to stretch or housing to create friction, shift performance stays amazingly perfect, delivering flawless shifts any time, under any condition. System communication with the front derailleur eliminates chain rub and, if you prefer, the rear derailleur can be optimized to use Shimano's Synchronized Shift technology.
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