Filter By:
- Show More Brands
- Show Fewer Brands
- Show More Model Years
- Show Fewer Model Years
Rear
$68.99
The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light; this makes it a perfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendly.
$79.99
The Box Three Rear Derailleur simplifies the features found on the Prime 9 Box One and Two rear derailleurs making for a fully featured wallet friendly rear derailleur. Including a Limited Slip Clutch, Sealed bearing pulleys and a solid construction Box Three Rear derailleurs are compatible with 11-46 and 11-50t derailleurs making it one of the most versatile derailleur offerings for Prime 9.
$141.99
The Box Two Prime 9 Rear Derailleur is very similar to the Box One version however, to be more wallet friendly, it offers a non adjustable Tri-Pack Clutch, bushing pulleys and some muted finishes. Box Two rear derailleurs are still optimized for 11-50t cassettes and offer durability and performance for the most demanding terrain, just at lower price!
$184.99
The Box One Prime 9 Rear Derailleur takes the advantages of our legacy 9-speed drive-train but adds the advancements of a modern 1 by; a fully adjustable Tri-Pack Clutch, and an x-wide cage optimized for an 11-50T cassette. Forged construction steps up the durability and performance to an unparalleled level. Suited for the most demanding terrain.
$178.85
The Campagnolo Chorus 12-speed rear derailleur features 3D Embrace technology and 12-tooth pulley wheels making it suitable for all cassettes as the distance stays optimum on each individual sprocket, regardless of the cassette selected.
- Embrace technology not only keeps the rear derailleur vertically aligned in the perfect position for each sprocket, it now makes the upper pulley wheel advance perfectly in the direction the bike is advancing
- On rough roads, the spring positioned between the upper body and the pivot absorbs the vibrations, ensuring the chain always rests properly on the sprockets
- The pulley wheels on the 12-tooth derailleur cage allow the chain to move more smoothly
- The initial position of the rear derailleur can be adjusted to suit any cassette.
- The rear derailleur is positioned further back, making it easier to slide the wheel out and replace it
- Upper and lower body crafted from technopolymer that is reinforced with long carbon fiber for exceptional durability
Specifications:
- Largest Cog: 34
- Rear Derailleur Mount Type: 10x1 Standard
- Chain Wrap Capacity (teeth): 37
- Cage Length: Medium
- Rear Der/Shifter Compatibility: Campy 12-Speed Chorus/Record/Super Record 2019+
- Drivetrain Speeds: 12
- Weight: 240g
$257.95
The Record 12-Speed rear derailleur has an innovative shape that envelopes the cassette better, thanks to 3D Embrace technology, creating a double effect: allowing the chain to maintain optimum traction at all times, thus increasing the speed, power and precision of shifting.
- Carbon fiber-reinforced construction, to increase strength while keeping weight to a minimum
- 12-tooth pulley wheels for smoother chain movement
- Optimized to work with cassettes from 11 to 34 teeth
Specifications:
- Largest Cog: 34
- Rear Derailleur Mount Type: 10x1 Standard
- Chain Wrap Capacity (teeth): 37
- Cage Length: Medium
- Rear Der/Shifter Compatibility: Campy 12-Speed Chorus/Record/Super Record 2019+
- Drivetrain Speeds: 12
$292.30
The Campagnolo EKAR Rear Derailleur is designed for the 1x13-speed EKARndrivetrain with a gravel-orientated performance & build.
- 2D parallelogram trajectory offers precise mechanical movement for 13 sprockets
- High grade polymer pulley wheels (12T upper, 14T lower) allow for smooth chain running and secure retention
- Carbon fiber-reinforced polyamide and anodized 7075 and 6082 alloys are lightweight, strong, and durable
- Stainless steel bolts for strength and long-term resilience on gravel
- Includes clutch lock for easy wheel removal
Specifications:
- Largest Cog: 44
- Rear Derailleur Mount Type: 10x1 Standard
- Chain Wrap Capacity (teeth): 34
- Cage Length: Medium
- Rear Der/Shifter Compatibility: Campy EKAR
- Drivetrain Speeds: 13
- Weight: 275g
$481.95
The Super Record 12-Speed rear derailleur combines the highest quality materials for exceptional weight and unparalleled performance. The unidirectional carbon fiber front rocker arm reduces weight, with an innovative shape that envelopes the cassette better, thanks to 3D Embrace technology, creating a double effect: allowing the chain to maintain optimum traction at all times, thus increasing the speed, power and precision of shifting.
- Carbon fiber-reinforced construction, to increase strength while keeping weight to a minimum
- Optimized spring return for constant chain tension
- Adjustment of the initial rear derailleur position
- Removable pivot on the upper body
- Optimized to work with cassettes from 11 to 34 teeth
Specifications:
- Largest Cog: 34
- Rear Derailleur Mount Type: 10x1 Standard
- Chain Wrap Capacity (teeth): 37
- Cage Length: Medium
- Rear Der/Shifter Compatibility: Campy 12-Speed Chorus/Record/Super Record 2019+
- Drivetrain Speeds: 12
$836.00
The Campagnolo Super Record EPS 12 speed rear derailleur offers improved shifting performance with a trajectory curve that is optimized for 11-29 and 11-32 cassettes.
- Using 3D Embrace technology the inner mechanism embraces more teeth per sprocket thanks to the advanced position of the upper pulley
- The 12-tooth pulley wheels allow for the integration of larger cassette range while keeping chain length the same
- Upper body adjustments allow you to set the perfect position whether you're riding an 11-29 or 11-32 tooth cassette
- An upper body return spring absorbs the energy of any bumps, preserving the hanger, and bringing the derailleur back to position
- An aluminum upper body provides high resistance to impacts and greater stiffness
- The lower part of the body is made of ultra-light technopolymer, reinforced with long carbon fibers
Specifications:
- Largest Cog: 32
- Rear Derailleur Mount Type: 10x1 Standard
- Chain Wrap Capacity (teeth): 37
- Cage Length: Medium
- Rear Der/Shifter Compatibility: Campy Record/Super Record EPS
- Drivetrain Speeds: 12
- Weight: 234g
$12.99
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.
- Robust composite and steel construction
- Compatible with Shimano 6- and 7-speed mountain and road systems
- Long cage for double or triple cranksets and 32T max cassette cog
- Includes frame hanger attachment for use with older frame designs
$12.99
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.
- Robust composite and steel construction
- Compatible with Shimano 6- and 7-speed mountain and road systems
$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
$20.99
M-series rear derailleurs are designed to work with 7, 8, and 9-speed Shimano-compatible mountain and road shifters. These Mezzo rear derailleurs are light, robust, and reliable. You can count on them to get any bike on the road.
- Weight-saving aluminum bracket body and outer link
- Steel pulley cage for extra chain-rub durability
- Compatible with Shimano 7, 8, and 9-speed mountain and road systems
$20.99
R-series rear derailleurs are designed to work with 8 and 9-speed Shimano-compatible road shifters. These R8 rear derailleurs have composite and steel parts that weigh more but have the same durability and performance as R9 and R10 derailleurs.
- Steel pulley cage for extra durability
- Not compatible with Shimano Tiagra 4700 road system
- Short cage for double crankset and 28T max cog
- Long cage for triple crankset and 28T max cog
$25.99
M-series rear derailleurs are designed to work with 7, 8, and 9-speed Shimano-compatible mountain and road shifters. Marvo LT rear derailleurs are built with precision rigid aluminum construction. Let these miracle workers get any bike rolling again.
- Lightweight aluminum construction
- Steel pulley cage for extra chain-rub durability
- Compatible with Shimano 7, 8, and 9-speed mountain and road systems
$29.99
Not everyone needs the added chain retention provided by our innovative SpringLock system. For those riders, we offer a non-clutch version of our Acolyte derailleur. While still capable of handling a 12-46T cassette, the rear derailleur is the perfect choice for commuter or touring bikes that can benefit from using a wide range 1x gearing system.
- Direct path cable routing for smooth and responsive shifting
- Compatible with 12-42T and 12-46T 9-speed cassettes
- Compatible with Acolyte shifters only
$33.99
R-series rear derailleurs are designed to work with Shimano-compatible road shifters. These R9 rear derailleurs combine compatibility, weight savings, and a robust design.
- Weight-saving aluminum bracket body and outer link
- Steel pulley cage for extra chain-rub durability
- Compatible with Shimano 9 and 10-speed road systems
- Not compatible with Shimano Tiagra 4700 road system
- Short cage for double crankset 28T max cog setup
- Medium cage for double crankset and 34T max cog
- Long cage for triple crankset and 28T max cog
$42.99
XLE Rear Derailleur for 10-speed Shimano drivetrains
- For MEGA Sprockets w/large cog size 36-42T
- Compatible with single, double, or triple cranksets
- Total Capacity: 47T
$64.99
Designed with the rider in mind, the ADVENT rear derailleur packs trail-ready features into an attainable wide-range drivetrain system. The derailleur kinematics are precisely tuned to use a more direct cable path, making the shifting feel consistent across the lowest and highest gears, and everything in between.
- Clutch provides stronger chain management over rough terrain
- Ratchet-and-pawl clutch is easily adjustable and repairable
- Direct cable routing for smooth, responsive shifting
- Compatible with 11-42T 9-speed cassettes
- Compatible with ADVENT shifters only
$44.99
Replacement pulley set with ceramic bearings. Compatible with 7,8,9, and 10-speed Campagnolo, Shimano, and SRAM drivetrains.
$131.00
Paul Components Melvin Chain Tensioner. Converts frames for single speed use. Long enough for a Dingle-setup, (2 rings, one cog) 20T max.
- The Melvin uses two pulleys, just like a rear derailleur, which gives it 20 teeth of chain wrap
- Will work with multiple front chain rings while maintaining proper chain tension
- The pulleys are made of extruded and machined aluminum and have sealed bearings for durability
- Pulleys are 2.25mm thick at the tooth which fits inside most narrow 6 through 9 speed chains, and the pulley cage is wide enough to allow 1/8? single speed chains as well
- Long enough for a Dingle-setup, (2 rings, one cog) 20T max
- Do not use with a coaster brake or fixed gear
- Includes Paul's own Sealed Bearing Pulleys
SRAM's X9 Rear Derailleur is favored by everyone from weekend rippers to marathon riders crossing the Alps. It offers a great balance of durability, low weight and slick shifting. The X9 features an aluminum/composite construction, SRAM's 1:1 actuation ratio and direct cable routing for quick, reliable shifts. Plus, this beauty is built to last so you can sample singletrack for years to come.
$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.
$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.
$51.00
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.
$53.00
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.
$61.00
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 180 grams.
$71.00
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.
$74.00
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.
$85.00
SRAM's XX1 Ceramic Bearing Rear Derailleur Pulleys run on super-smooth, efficient ceramic bearings so your drivetrain rolls with ease. They are lighter than conventional pulleys and even come with SRAM's ceramic-bearing grease in an easy-to-use 10ml syringe.
Page 1 of 5
Next page