Shimano Altus M310 7/8sp Rear Derailleur Compatible with both 7 or 8-speed gearing systems, this Altus M310 mountain bike rear mech brings you a reliable, easy shifting action and its highly versatile. With the ability to work in a drivetrain that has a 2x or a 3x chainset, it will ensure you enjoy clean gear changes across your entyre gear range. This is further enhanced by the derailleur's bushings, which are Teflon coated and a highly efficient internal spring. Ideal for leisure and touring cyclists, it's ready to work with any flat bar Shimano 7 or 8 speed rear shifter.Features: Mount Type: Standard mount Compatibility: Shimano 7 or 8 speed shifters Cage Length: Long Cage (SGS) Max Sprocket: 34 ToothTotal Capacity: 43 ToothSpeed: 7/8 speed Manufacturer's Code: RDM310DL Use: MTB, city, hybrid bikes Clutch Option: No Weight: 326gA 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 Dura-Ace R9100 11sp Rear DeraillleurAdopting race-proven technologies from Shimano's MTB range, the Dura-Ace R9100 Road Rear Derailleur now brings the "Shadow" technology to road cyclists. The shadow design places this road bike rear derailleur under the chainstay and cassette to give a slimmer profile, which not only improves aerodynamics but helps prevent damage in a crash.This revised Shadow design brings you precise and faster gear shifts than on previous models plus even faster wheel changes for race days. This is thanks to the Shadow feature moving the derailleur out of the way of the rear dropouts.The Dura-Ace R9100 Road Rear Derailleur derailleur only comes in one length and will work with cassette sprockets up to 30T. This means that this rear mech offers a greater rider tuned ratio than previous editions. Features: Maximum Sprocket: 30T Minimum Sprocket: 11T Maximum Front Difference: 16T Total Capacity: 35T Stable shifting performance Distance between pulleys is maintained through the shifting range Shimano Shadow RD construction Low profile rear derailleur design Race endurance for less damage in crash Adapted for race specific frame design Mount Type: Standard mount Manufacturer's Part Number: RDR9100SS Weight: 158gA 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 Dura-Ace R9150 Di2 11sp Rear DerailleurCombining the very best of Shimano’s electronic shifting technologies with its race-proven mountain bike “Shadow” cage design, the Dura-Ace R9150 Di2 road bike rear derailleur shifts in an instant and has enhanced aerodynamics. The updated cage position means it rests directly under your frame’s chainstay, reducing drag and protecting it in the event of an unfortunate racing incident.The Shadow design also offers faster wheel changes thanks to the fact that it moves the derailleur out of the way of the dropouts. It also offers faster and more precise shifting than ever before. Shimano's 9150 groupset brings its Syncro-Shift technology to the road too. Syncro-Shift technology enables the front derailleur to read the position of the rear derailleur. The front shift is then automatically operated to position the gears in the most efficient gear and best chain line. This means you'll never have to worry about front shifting and correction shifts again.Features: Speed: 11-Speed Compatibility: Shimano Di2 road shifters (Dura-Ace and Ultegra with E-tube connection) Maximum Low Gear Sprocket: 30T (Minimum 25T) Minimum High Gear Sprocket: 11T (Maximum: 14T) Maximum Front Difference: 16T Total Capacity: 33T Mount Type: Standard hanger mount Clutch Type: No Ergonomic shifting operation without stress Shimano synchronised shift Low profile rear derailleur design Shimano Shadow cage design Race endurance for less damage in a crash Maintains compact and smooth appearance Manufacturer's Part Number: RD-R9150 Weight: 204gA 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 SLX M7000 11sp Rear DerailleurWith a revised design and enhanced by technologies from Shimano's top-end models, the SLX M7000 rear mech performs better than ever. Ready to help you to attack the trails, it has the Shadow RD+ technology and an improved geometry to increase its stability. The adjustable "clutch" type stabiliser can be switched to be more rigid for chain better chain retention or switched for easier shifting.Features:Speed: 11 Speed Shifting Action: Shadow RD+ Mount Type: Direct attachment (Conventional)/Direct mount compatible (w/o bracket spec available) Maximum Sprocket: 42T (2x11-speed); 46T (1x11-speed) Minimum Sprocket: 11T Front Difference: MAX 10T Total Capacity: 41T Clutch Type: Yes Compatibility: All Shimano flat bar 11 speed shifters Shadow design with optimised, shallow slant angle, low profile design 20% reduced shift effort Chain stability improved Improved driving and shifting stability Adjustable clutch tension High efficiency pulleys 1x11 and 2x11 compatible Manufacturer's Reference Code: RDM700011GS Weight: 323g (approx)A 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 XT M8050 Di2 11sp Rear DerailleurThe Shimano XT Di2 M8050 11 Speed Rear Mech is designed specifically to work with a Shimano electronic Di2 drivetrain, the M8050 uses a medium cage that can allow you to run up to a 46t cassette.The low-profile geometry and chain stabiliser ensure drivetrain security while the electronic wire transmission maintains consistent performance in all weather and trail conditions.Features:Shifting motor responds instantly to rider inputE-Tube electric wire transmission guarantees consistent performance in all conditionsAccurate chain position in every gearProgrammable, multi-shift and Shimano Synchronised Shift functionsLow-profile design keeps derailleur safely away from trail obstaclesShimano Shadow RD+ chain stabilizer with easy adjustmentCompatible with CS-M8000 11-46t cassette (1X11) and 11-40/11-42 (2x11)Weight: 329gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Sora R3000 9 Speed Rear DerailleurWith its durability and affordability, the Sora R3000 9 Speed Rear Mech is the perfect choice for winter or urban commuting bikes. Now with technology adopted from higher-level rear mechs, both beginners and enthusiasts will feel comfortable with the features that 9-speed Sora R3000 introduces.Features: Wide link design for increased rigidity and precise gear shifts 11-tooth pulleys for reduced pulley wear and chain noise Pulleys feature sintered alloy bushings for smooth-running performance Compatible with 9-speed drivetrains Cassette Compatibility: 9-speed Max Largest Sprocket: 32T (Short Cage), 34T (Medium Cage) Min Largest Sprocket: 25T (Short Cage), 28T (Medium Cage) Max Smallest Sprocket: 14T Min Smallest Sprocket: 11TA 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 Sora R3000 9 Speed Rear DerailleurWith its durability and affordability, the Sora R3000 9 Speed Rear Mech is the perfect choice for winter or urban commuting bikes. Now with technology adopted from higher-level rear mechs, both beginners and enthusiasts will feel comfortable with the features that 9-speed Sora R3000 introduces.Features: Wide link design for increased rigidity and precise gear shifts 11-tooth pulleys for reduced pulley wear and chain noise Pulleys feature sintered alloy bushings for smooth-running performance Compatible with 9-speed drivetrains Cassette Compatibility: 9-speed Max Largest Sprocket: 32T (Short Cage), 34T (Medium Cage) Min Largest Sprocket: 25T (Short Cage), 28T (Medium Cage) Max Smallest Sprocket: 14T Min Smallest Sprocket: 11TA 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 Deore M6000 10sp Rear DerailleurShimano’s Deore M6000 MTB rear derailleur brings you features that are borrowed from its top-end XTR series, but not at a top-end price point. This means you’ll enjoy outstanding drivetrain performance as you’re attacking climbs and cranking up to speed on the flats.Excellent Chain RetentionThanks to its clutch system, this mech allows you to push yourself hard on the roughest trails, without worrying about chain slap or drop. It also delivers ultra-quick, quiet shifts and with its fluorine-coated bushings, shifting requires minimal rider effort.Reasons to Buy: Uses features borrowed from the top-end XTR series. Affordable.Outstanding drivetrain performance.Ultra-quick, quiet shifts.Features: Material: Main: Steel; Body: GFRP and Aluminium Speed: 10-Speed Mount: Standard (direct mount compatible) Compatibility: Shimano 10-speed flat bar shifters and 10-speed MTB cassettes Capacity: 41T (Medium GS version), 43 teeth (long SGS version) Maximum Large Sprocket: 42T (medium GS version), 36T (long SGS version) Maximum Chainring Size Difference: 10T (medium GS version), 22T (long SGS version) Recommended Chain: HG-X 10-Speed Derailleur Pulleys: 11T Clutch Type: Yes High-efficiency drivetrain for aggressive trail riding Light shifting effort Smooth and precise shifting Silent and stable for technical trail riding DYNA-SYS compatible Low profile design reduces the risk of damage Direct mount compatible Single tension spring prevents contact with the chainstay Direct cable routing prevents snagging Improved stability and chain retention longevity Compatible with wide range cassette (medium GS version only) Fluorine-coated link bushings for low-friction operation Application: Trail, All-Mountain, Cross Country Weight: 324g (GS medium cage)Manufacturer Reference Codes: Medium Cage (GS): RDM6000GS; Long Cage (SGS): RDM6000SGSTechnologies: Shadow+: This technology provides a less distracting, quiet drivetrain as the rear derailleur stabiliser reduces chain slap. A simple solution for chain drop, which is lighter and more efficient than roller type chain devices.A 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 Deore M6000 10sp Rear DerailleurShimano’s Deore M6000 MTB rear derailleur brings you features that are borrowed from its top-end XTR series, but not at a top-end price point. This means you’ll enjoy outstanding drivetrain performance as you’re attacking climbs and cranking up to speed on the flats.Excellent Chain RetentionThanks to its clutch system, this mech allows you to push yourself hard on the roughest trails, without worrying about chain slap or drop. It also delivers ultra-quick, quiet shifts and with its fluorine-coated bushings, shifting requires minimal rider effort.Reasons to Buy: Uses features borrowed from the top-end XTR series. Affordable.Outstanding drivetrain performance.Ultra-quick, quiet shifts.Features: Material: Main: Steel; Body: GFRP and Aluminium Speed: 10-Speed Mount: Standard (direct mount compatible) Compatibility: Shimano 10-speed flat bar shifters and 10-speed MTB cassettes Capacity: 41T (Medium GS version), 43 teeth (long SGS version) Maximum Large Sprocket: 42T (medium GS version), 36T (long SGS version) Maximum Chainring Size Difference: 10T (medium GS version), 22T (long SGS version) Recommended Chain: HG-X 10-Speed Derailleur Pulleys: 11T Clutch Type: Yes High-efficiency drivetrain for aggressive trail riding Light shifting effort Smooth and precise shifting Silent and stable for technical trail riding DYNA-SYS compatible Low profile design reduces the risk of damage Direct mount compatible Single tension spring prevents contact with the chainstay Direct cable routing prevents snagging Improved stability and chain retention longevity Compatible with wide range cassette (medium GS version only) Fluorine-coated link bushings for low-friction operation Application: Trail, All-Mountain, Cross Country Weight: 324g (GS medium cage)Manufacturer Reference Codes: Medium Cage (GS): RDM6000GS; Long Cage (SGS): RDM6000SGSTechnologies: Shadow+: This technology provides a less distracting, quiet drivetrain as the rear derailleur stabiliser reduces chain slap. A simple solution for chain drop, which is lighter and more efficient than roller type chain devices.A 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 Ultegra R8050 Di2 Rear Derailleur (GS)The Shimano Ultegra R8050 Di2 Rear Derailleur (GS) will help you maintain race concentration through intuitive shift control. The updated low-profile design of Shimano Shadow RD increases its shift stability and gives the rear derailleur a sleek and integrated appearance. Race endurance is guaranteed, through the optimised slant angle. The wide compatibility of two specific rear derailleurs (SS for cassettes 11-25T to 11-30T and GS 11-28T to 11-34T) will secure a smooth ride in even the highest and steepest mountain areas.Features: Speed: 11-Speed Compatibility: All Shimano Di2 E-Tube road 11-Speed drivetrains Model Number: RD-R8050 Series: Ultega Di2 Maximum Sprocket: 30T Minimum Sprocket: 11T Maximum Front Difference: 16T Weight: 242g (SS type), 249g (GS type)A 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 Ultegra R8050 Di2 Rear Derailleur (GS)The Shimano Ultegra R8050 Di2 Rear Derailleur (GS) will help you maintain race concentration through intuitive shift control. The updated low-profile design of Shimano Shadow RD increases its shift stability and gives the rear derailleur a sleek and integrated appearance. Race endurance is guaranteed, through the optimised slant angle. The wide compatibility of two specific rear derailleurs (SS for cassettes 11-25T to 11-30T and GS 11-28T to 11-34T) will secure a smooth ride in even the highest and steepest mountain areas.Features: Speed: 11-Speed Compatibility: All Shimano Di2 E-Tube road 11-Speed drivetrains Model Number: RD-R8050 Series: Ultega Di2 Maximum Sprocket: 30T Minimum Sprocket: 11T Maximum Front Difference: 16T Weight: 242g (SS type), 249g (GS type)A 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 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.