Compatible with a cassette tooth count range of 11-28T to 11-34T and adopting Shadow technology from Shimano's mountain bike (MTB) range, the Shimano Ultegra R8000 rear derailleur ensures a smooth ride in even the highest and steepest mountain areas. The integrated Shadow technology is race-proven and with its low profile design, this slick operating road rear derailleur is aerodynamic, more compact and fits closer to the frame, ensuring less damage in a crash. Technologies: Shadow: Shadow design features a super low profile design and optimised slant angle for super light shifting action. HG-EV: HG-EV cassette sprocket is for rider-tuned gear combination and cadence management. Shimano provides the optimal 11-speed drivetrain gear ratio; you can choose from the wider and closer gear combinations available to match various riding disciplines. HG-EV cassette sprocket is obtained 11-speed gear without compromising the 10-speed durability and improved HYPERGLIDE shifting HG-X11 Chain Compatible: Silky driving, accurate shifting. HG-X11 directional chain ensures smoother shifts and greater overall performance. The right and left sides are optimised for front and rear shifting respectively
Shimano Ultegra R8000 11 Speed Rear DerailleurNow compatible with a wider range of cassette tooth count options, the Ultegra R8000 11 Speed Rear Derailleur delivers has been optimised by Shimano to offer fast and accurate gear shifts with minimal rider effort. In addition to the slick shifting, it also adopts the “Shadow” cage design to sit closer to your bike's frame. This improving its aerodynamics and protects it should you be unlucky enough to have a crash. Race-ready, it’s made in two different cage sizes to suit your cassette size preference.Key Features: Material: Alloy Colour: Grey Speed: 11-Speed Compatibility: All Shimano 2x11-Speed road drivetrainsCage Size: Separate short and medium cage size options Cassette Size Capacity: Short Cage: 11-25T to 11-30T; Medium Cage: 11-28T to 11-34T Total Capacity: Short Cage: 35T; Medium Cage: 39T Mounting: Standard hanger mount or direct mount Clutch Type: No Shadow Technology Low-profile design Precise and accurate shifting Manufacturer's Part Number: Short Cage: RD-R8000-SS; Medium Cage: RD-R8000-GS Weight: Short Cage: 200g; Medium Cage: 210gTechnologies: Shadow RD: Traditional derailleurs extend wider than the profile of your bike. With its low-profile design, Shadow RD (Reduced main derailleur body) is a more compact derailleur that fits closer to the frame, with more direct cable routing. Shadow RD maintains a consistent distance to the cassette for increased shift stability. The reduced body width creates a sleek and smooth appearance, ensuring less damage in a crashA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Saint M820 10sp Rear Derailleur New chain control and silencing technologies in the new RD-M820 are a game changer for gravity riding. In addition to the proven Shadow Plus RD design, a Saint specific, high durometer urethane bump stopper (between the RD and the dropout) was added to reduce impact noise.Now 10-speed, the new RD-M820 features a durable super wide link that serves as the backbone of the DH parallelogram. Ready for track and trail, the mode converter easily adapts between two settings for MTB cassette gear ratios (11-32, 11-34, 11-36) and road (11-23, 11-25, 11-28). Features: Direct Mount gives a simpler, cleaner lookDelivers reliable and precise shifting with a stiff and lightweight open design Shadow+ features a super low profile design that reduces the risk of damage from trail side hazards Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheelDirect cable routing prevents snagging from any trail side hazardsAll-alloy construction leads to lower weight without compromising strength and durability Four fluorine-coated link pin bushings make this one of the slickest shifting derailleurs on the trails High rigidity wide outer link braces the pulley body to increase pivot joint rigidity resulting in a crisp shiftStrong return spring for a positive shifting feelDurable sealed bearing pulleys25T capacity SS cage10-speed onlyUrethane elastomer bump stop reduces noiseMode converter (DH mode/Freeride mode)Super wide links: Create a rigid structure that resists twisting and improves durabilityIntegrated skid plate: Protects the derailleur in the event of an impactA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Adopting all the technologies that give the fastest, quietest shifting available, the new SRAM Force 22 Rear Derailleur has been designed with our Exact Actuation technologyfor precise, efficient shifting throughout the extended gear range. We have given and even refining tooth geometry of the jockey wheel. The result is that the chain that runs smoother and quieter than ever before. With all the additional technologies we’ve managed to keep the weight the same, at well under 200 grams..,Exact Actuation shifting gives fast, accurate shifts.More clearance with 28t cassettes thanks to a longer B-knuckle.New silent shifting with optimized Aeroglide Pulleys.New spring-fixed barrel adjuster.New chain pulley cage adds precise chain management.WiFLi option.,
Tri-pack™ ClutchFine tune input at the shifter and set chain tension accordingly with Tri-Pack™ Clutch technology. This advanced chain retention system provides instant engagement and long-lasting chain dampening throughthe use of a one-way roller bearing and composite friction plates. Housed in the lower knuckle, TriPack™ is both user-friendly and easy to maintain, allowing riders to adjust clutch force* with a simpleTorx® -equipped multi-tool.Forged ConstructionImpact resistance is greatly improved by way of forging — a key manufacturing process that strengthens critical components. Tested at the premier freeride event of the season -- Red Bull® Rampage-- this new construction has proven itself capable of performing at the highest levels and comes standard on all second-generation Box derailleurs.Pivot-tech™Impact resistant, spring-loaded cable stay keeps cable, housing & you out of harm’s way.
The SRAM Force rear derailleur represents the same design philosophy that has yielded SRAM’s best-in-class products for the mountain bike (MTB) market. It takes advantage of Exact Actuation, an actuation ratio that delivers precise 3mm shifts in every gear along with the widest range of adjustments available, delivering the best 10-speed performance in the sport. Crafted with cutting-edge materials, the SRAM Force rear derailleur - 10 speed model includes a carbon fibre outer cage and a magnesium inner link. The final result is an impressively lightweight unit that tips the scales at only 174g. Technologies: Exact Actuation™: Simplified and stabilised shifting over tight cog spacing found on modern cassettes. By using exact cable tension, the end result is the easiest index shifting system to set up and it stays that way.
SRAM Force 10 Speed Road Bike Rear DerailleurDesigned to deliver precise and reliable shifting, whatever challenge you meet on the road, this Rear Derailleur from SRAM is the ideal addition to your setup. Made from a carbon fibre outer cage and a magnesium inner link, this lightweight component weighs in at only 174g for a hard-wearing component that won't add unnecessary weight. What's more, this rear derailleur features SRAM's Exact Actuation™ technology for precise, smooth shifting, through every gear in the 10-speed shifting range.Features:Material: Aluminium B-Knuckle, Magnesium inner link, Carbon-Fibre/Aluminium cageCage Length/Type: Short Cage onlySpeed: 10 SpeedExact Actuation provides precise, clean shifting throughout the entire range of gearsCarbon-fibre outer cage and magnesium provide strength and reduces weightCompatible With: 10-speed cassettes up to the largest cog of 28 teeth, SRAM Rival and SRAM Red componentsWeight: 174gPart No: RD-FRC-A1Technologies:Exact Actuation™: When we launched our road technology from scratch we reapplied our MTB proven SRAM 1:1 actuation ratio (shifter cable travel: derailleur movement). EA helps to simplify and stabilize the uneasy act of balancing rear derailleur hanger design, tight cog spacing, and exact cable tension. The result: the easiest index shifting system to set up—and it stays that way.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The SRAM GX Eagle Derailleur has been specifically engineered to accommodate the Eagle drivetrains need for greater capacity, including the brand new 10-52T Eagle cassettes, while still being compatible with older 10-50T cassettes.X-Horizon design offers slick shiftingType-3 roller bearing clutch provides excellent chain retentionRe-engineered mounting system and cage lockDesigned to be used with SRAM Eagle drivetrains Suitable for new Extended Range 10-52T Eagle cassettesThe GX Eagle Derailleur features a 14-tooth X-SYNC lower pulley to allow for the 10-52T Extended Range cassette, a type-3 roller bearing clutch for maximum drivetrain stability with reduced derailleur bounce and chain slap, a re-engineered mounting system and a re-positioned cage lock system for easy chain and wheel installation and increased durability. Designed to be used with SRAM Eagle drivetrains and Extended Range cassettes, the GX is a fundamental component in the Eagle range.
The Potenza rear derailleur 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. In addition to the form and structure of the component Embrace Technology, introduced on the Super Record, Record e Chorus groupsets launched last year has been incorporated into the performance of the Potenza 11™ rear derailleur. The form of the external pieces allow the rear derailleur to move at a different angle and the internal design pulls the chain closer to the cassette. This translates into better power transfer, more secure grip, better chain/cassette interface and a longer life for consumable components. The chain will grip more teeth (when compared to rear derailleurs without Embrace Technology) and as a result disperse energy across a larger surface area, increasing the life of the cassette and lengthening the lifespan of the chain as well. By allowing the derailleur to work closer to the cassette in every position the athlete can now take advantage of perfect alignment between cassette and rear derailleur in any given gear. The internal structure of the original Revolution 11+ rear derailleur was modified slightly to produce the Potenza 11™ version in order to offer the same fantastic transmission while accepting larger gearing up to a 32 tooth cassette. The rear derailleur will be available in two versions; one with a 55mm cage and the other with a 72,5mm (Medium) cage designed to be compatible with the all-new 11-32 cassette.
XT Shadow plus 12-speed rear derailleur for fast and precise shifting performance optimized to take on any trail Shadow plus features a super low profile design and optimized slant angle for super light shifting action Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting Single tension spring prevents contact with the chainstay resulting in a silent ride Rubber bumper on pulley cage for added silent drive 13T pulleys and decreased derailleur tension prevent high chain tension in low gears Direct cable routing prevents snagging from any trail side hazards Cold forged wide alloy links and pivot body Four fluorine-coated link pin bushings Strong return spring for a positive shifting feel Specifically designed to work with 12-speed 1x drivetrains Durable sealed 13T bearing pulleys for low friction Top normal spring uses the spring to select higher gears Max low sprocket: 51T (1x 12-speed) 41T capacity SGS cage Average weight 284g
This top-quality model has been specially designed by the Campagnolo Tech Lab for the most advanced functionality and effortless shifting experience possible. Additionally, what’s most impressive is the micro-adjustments to the front derailleur position, which make upshifting and downshifting effortless, on steep slopes and unexpected road conditions. This superb model is compatible with tyres up to 32mm, thanks to a new upper connecting rod and optimised design. Finally, this is the perfect choice for keeping your riding at its peak performance, ride after ride. Technologies: Upper connecting rod not connected to the external one: More effective, precise movement, without contacting the limit stop. Cage plate designed to improve occurrences of maximal chain crossing: The derailleur avoids contact and friction with the transmission. Ideal for wider tyres: Tyres of up to a 32 mm cross-section can be fitted without risking contact with the front derailleur. Optimised inner cage plate design: Accurately accompanies the chain on the largest chainring. Cable fixed in double position: Maximum compatibility with frames.
Shimano XT M8000 11 Speed Rear DerailleurEnjoy smooth, lightweight shifting with Shimano's M800 11 Speed Rear Derailleur. This component requires 20% less force to operate, yet it's even more durable and offers exceptional shifting performance. Simple to adjust and featuring enhanced chain stability, this mountain bike rear derailleur has you covered, no matter how tough the terrain.Features: Speed: 11-speed Compatibility: All Shimano 11 speed MTB shifters Shifting Action: Shadow RD+ Mount Type: Direct attachment (Conventional)/Direct mount compatible (No bracket specifications available)Maximum Sprocket: Low sprocket - 40/42T*, Top sprocket - 11TMinimum Sprocket: Low sprocket - 40T, Top sprocket -11TFront Difference: MAX 10TTotal Capacity: 39TLink Pin Bushings: 4 Clutch Type: Yes Shift cable comes with new hyper low-friction coating technologyEfficient pulley teeth designEasy-to-adjust chain stabiliser Weight: 271g (approx.)Manufacturer Reference Codes:Medium Cage: RDM8000GS; Long Cage: RDM8000SGS*42T for 1x11 onlyA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.