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Rear

Shimano Deore XT M8050-GS Di2 Shadow Plus Rear Derailleur
$338.99
Shimano Deore XT RD-M8050 Di2 Rear Derailleur - Accurate and stable shifting in any condition - Instant response - Customized shift speed within Multi-shift - Powerful shifting - Seamless gear change even under high load - Smart and efficient gear selection with Shimano Synchro Shift - Single lever operation - Rider-programmable shift mapping - Drivetrain Speeds: 11 - Maximum Sprocket: 42T(2x11-speed)/46T(1x11-speed) - Minimum Sprocket: 11T - Front Difference: 10T - Total Capacity: 35T - Average Weight: 320 grams
CeramicSpeed CeramicSpeed 3D Printed Titanium OSPW
$1,700.00
Lightweight 3D printed hollow oversize pulley wheels for Shimano Ultegra/Dura Ace (6800/7800/7900/7970/9000/9070), SRAM Red/Force/Rival/Apex, both 10s and 11s, electronical and mechanical (17/17-tooth), Shimano 8000/9100 series (13/19-tooth) and Campagnolo. The combination of 3D printed titanium oversized pulley wheels and coated CeramicSpeed Bearings result in the best pulley wheels in the world. Since the pulley wheels are the fastest spinning bearings on your bike, this CeramicSpeed upgrade is the most effective way to save energy or improve your time
CeramicSpeed CeramicSpeed OSPW System for SRAM
$500.00
Entirely developed, designed and produced in Denmark by CeramicSpeed, the Oversized Pulley Wheel System for SRAM is a technologic advance for the cycling industry. Matching the highest quality materials with a unique design, the OSPW System delivers lower friction and longer lifetime, improving your competitive advantage. Thanks to the OSPW System for SRAM, the power savings start at 40%, and the CeramicSpeed Bearing inside guarantee a 3-5 times longer lifetime and commonly used standard pulleys on the market. The watt savings with a CeramicSpeed OSPW System for SRAM start at 1.6 watts and up. IMPORTANT: When travelling, please remember to dismount your entire rear derailleur with an Allen key, as the OSPW System will not fit in most bike travel bags and could be damaged if left on. Produced and assembled by hand in Denmark, the OSPW System has been developed to deliver optimal riding properties for either road, off-road or triathlon applications. Tested both on the road and in the lab, like all other CeramicSpeed products, the OSPW System for SRAM is proven to be better. Both professional triathletes as well as road teams have already chosen the OSPW System as a permanent part of their racing equipment convinced by the product properties. Check out the FAQ page for more details about the OSPW System. Remember to lubricate your CeramicSpeed Bearings properly in order to obtatin the optimal performance and the maximum longevity. When lubricating the chain, when washing your bike or after riding in wet/muddy conditions, it is recommended to lubricate the system’s bearings. To do so, add oil into the lubrication points on the back cage plate, so that oil can penetrate the bearing.
CeramicSpeed CeramicSpeed Hollow Ti Shimano 11s COATED
$1,000.00
A world premiere and technological innovation, these hollow 3D printed titanium pulley wheels are 5-10% lighter than our original titanium Pulley Wheels and guarantee the same unparalleled lifetime and reduced friction. The combination of 3D printed titanium pulley wheels and coated CeramicSpeed Bearings result in the best pulley wheels in the world. Since the pulley wheels are the fastest spinning bearings on your bike, this CeramicSpeed upgrade is the most effective way to save energy or improve your time. The 3D printed titanium pulley wheels are extremely resistant to wear. This makes them a great choice if you ride in demanding conditions or just ride a lot. To give even greater protection and reduced friction, a super thin (2 microns) protective coating is applied to the bearing races. This further increases the resistance of the bearing to corrosion or damage from foreign objects. Compatible for all Shimano 11-speed rear derailleurs, including Shimano 9100-series rear derailleurs. Mounting and maintenance Just like every other bearing system, it is important that these pulley wheels are correctly mounted and maintained. For mounting instructions, watch this installation video. Maintain your pulley wheels periodically by adding oil to the outside of the bearing seal, so that oil can penetrate the bearing. This is recommended when you lubricate your chain, after cleaning your bike, or after riding in wet or muddy conditions. For further maintenance instructions, please watch this video. Do you want to know more about the development of these pulley wheels? Read more about it here.
Shimano XTR Shadow Plus Rear Derailleur (Long Cage)
$243.99
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 XT M8100 Rear Derailleur for 2x Drivetrains
$118.99
The Shimano Deore XT RD-M8100/M8120 rear derailleur is designed to provide smooth and stable shifting for 2 x 12-speed MTB drivetrains. - Offers fast and shockless shifting - The low-profile design includes a bumper added to the derailleur pulley cage - Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain - Includes large, 13T pulley - Long cage is designed to be used with 2 x 12 drivetrain systems - Rear Derailleur Mount Type: Shimano Rear Direct Mount - Drivetrain Speeds: 12 - Cage Length: Long - Chain Wrap Capacity (teeth): 45 teeth - Largest Cog: 45 - Weight: 284 g - Rear Der/Shifter Compatibility: Shimano Mountain
Shimano Deore XT Shadow + Rear Derailleur (Mid Cage)
$103.99
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 Rear Derailleur
$106.99
• 11-speed DynaSys compatible • Light Shift Operation With 20% Less Effort • Improved chain stability • Efficient Shifting And Smoother Driving • New Shadow Design With Optimized Slant Angle • New Shift Cable With New Hyper Low-Friction Coating Technology • New Shadow Design With Optimized Slant Angle For Stable Gear Position • Easy-To-Adjust Chain Stabilizer • Efficient Pulley Teeth Design • Direct Mount compatible
Shimano SLX Shadow Plus 11-Speed Rear Derailleur
$76.99
- 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 XTR RD-M9120 Rear Derailleur
$272.99
The RD-M9210 XTR rear derailleur is intended for use with 2x drivetrains. It is compatible with both 11- and 12-speed cassettes. - Decreased rear derailleur tension at low gear position, to prevent high chain tension - Add bumper at rear derailleur pulley cage - Bigger 13T pulley - Direct mount compatible - Cassette size: 10-45t - Total capacity: 41t
CeramicSpeed CeramicSpeed OSPW System for Campagnolo
$500.00
Developed and designed entirely by CeramicSpeed the Oversized Pulley Wheel System for Campagnolo is advanced for the optimization of bike performance. Everything from bearings to the cage is made from the highest quality materials. The oversized aluminium pulley wheels are fitted with standard or coated CeramicSpeed Bearings, which reduce friction to the minimum. The 13/19-tooth OSPW for Campagnolo privides a 40% lower friction over a standard 11-tooth Campagnolo pulley wheel and fits up to a 32-tooth cassette. CeramicSpeed OSPW for Campagnolo is compatible with Record mechanical, Record EPS, Super Record mechanical, Super Record EPS, Chorus mechanical and Potenza mechanical. IMPORTANT: When travelling, please remember to dismount your entire rear derailleur with an Allen key, as the OSPW System will not fit in most bike travel bags and could be damaged if left on. For correct mounting of the product, please find a manual and video here. Regarding the maintenance of your OSPW System, it is important that you properly lubricate your bearings in order to ensure optimal performance and maximum longevity. Add oil by using the lubrication points on the back cage plate, so that oil can penetrate the bearing. Do this when you lubricate your chain, if you have washed your bike or after riding in wet or muddy conditions.
CeramicSpeed CeramicSpeed SRAM 1-11
$269.99
Upgrade your SRAM XX1/X01 rear derailleur with CeramicSpeed Pulley Wheels for reduced friction and extended lifetime. A breakthrough for SRAM’s MTB systems, the XX1 and X01 rear derailleurs included new tooth designs for both pulley wheels. Because of our commitment to compatibility, we have designed specific pulley wheels that function perfectly as upgrade replacements for the MTB 1x11 SRAM systems. Aluminium Pulley Wheels These aluminum alloy pulley wheels deliver a unique mix between low friction and long lifetime improving your performance when riding off-road with your favourite SRAM XX1 or X01 system. Titanium Pulley Wheels When it comes to the ultimate pulley wheels for off-road applications, the SRAM 1-11 titanium pulley wheels are by far the most efficient. Available with CeramicSpeed coated bearings, these pulley wheels feature increased resistance to corrosion, and the damaging effects of contaminating factors like water, salt, or dirt are eliminated. This is thanks to a special coating applied to the bearing’s races, which is 75% harder than hardened steel. In a friction test conducted by independent test lab Friction Facts, the CeramicSpeed Pulley Wheels came through as the lowest friction pulley wheels from a total of 19 market standards. See the complete results here. Mounting and maintenance It is very important to install and service these pulley wheels accordingly. Follow the video instructions for mounting of SRAM pulley wheels here. Maintenance is also required periodically. We recommend that you service your pulley wheels whenever you lubricate your chain, after washing your bike, or after riding in wet or muddy conditions. To do so, add CeramicSpeed Oil to the outside of the bearing seal, so that the oil can penetrate the bearing.
CeramicSpeed CeramicSpeed OSPW System for Shimano
$500.00
Developed and designed entirely by CeramicSpeed, the Oversized Pulley Wheel System for Shimano is advanced for the optimization of bike performance. Everything from bearings to the cage is made from the highest quality materials. The oversized aluminium pulley wheels are fitted with standard or coated CeramicSpeed Bearings, which reduce friction to the minimum. The overall power savings of the OSPW System for Shimano reach 30%-60% or more in some cases. The OSPW System has a lifetime that lasts 3-5 times longer than the commonly used standard pulleys on the market. The OSPW System for Shimano comes as two different systems, one compatible with Ultegra (6700/6770/6800/6870) and Dura Ace (7900/7970/9000/9070), 10s and 11s, electric and mechanical groupsets, and another compatible with the Shimano 9100/9150 and 8000 series - EXCEPT the R8000 GS. While the first option features a set of two 17-tooth pulleys, the OSPW System for Shimano 9100/9150 and 8000 features an optimal 13/19-tooth combination specially developed to fit the design of the derailleur. Find a list of compatability for OSPW for Shimano 9100/91500 and 8000 series here IMPORTANT: When travelling, please remember to dismount your entire rear derailleur with an Allen key, as the OSPW System will not fit in most bike travel bags and could be damged if left on. The revolutionary OSPW System is developed, produced and assembled by hand in Denmark. The product is the result of an in-depth development process and has been designed for optimal performance. Like all other products delivered by CeramicSpeed, OSPW System has also undergone a thorough test program. We are proud to say that professional triathletes such as Tim Don and Tyler Butterfield have great feedback for the system and, along with Pro Continental teams, they have made it a permanent part of their equipment. Check out the FAQ page for more details about the OSPW System. Regarding the maintenance of your OSPW System, it is important that you properly lubricate your bearings in order to ensure optimal performance and maximum longevity. Add oil by using the lubrication points on the back cage plate, so that oil can penetrate the bearing. Do this when you lubricate your chain, if you have washed your bike or after riding in wet or muddy conditions.
Shimano Ultegra RD-X805 Di2 Rear Derailleur
$299.99
Ultegra RX brings Shimano's pioneering chain stabilizing technology to road cycling, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. No longer is the road bike narrowly defined. Shimano Ultegra RX broadens the notion of drop bar riding and emboldens cyclist to explore further. - Chain Stabilizer mechanism adopted from MTB design - Stabilizer ON/OFF switch - Compatible with current road dual control lever - Shadow RD technology - Direct mount compatible - Maximum cog size: 34t - Total capacity: 39t
Shimano XTR Shadow Plus Rear Derailleur (Medium Cage)
$243.99
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 Di2 Rear Derailleur (Medium Cage)
$719.99
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.
Shimano SLX M7000-GS Rear Derailleur Cage Plate
$8.00
- Replacement plate for M7000-GS rear derailleur - Choose Inner or Outer
Shimano Saint Shadow + Rear Derailleur
$178.99
Shimano's Saint Rear Derailleur is packed with World Cup-worthy features, like an integrated skid plate, a urethane bump stop, and low-profile Shadow positioning, all of which protect your derailleur as you smash through rock gardens and overgrown singletrack. Shimano Plus Technology minimizes chain and impact noise, and maintains perfect chain tension so you can shift with precision and authority no matter how rough the terrain gets. The Saint Rear Derailleur also has a mode converter that lets you use either a close-ratio DH cassette, or a wider-ratio freeride cassette.
CeramicSpeed CeramicSpeed SRAM Eagle 14 1-12
$379.99
The CeramicSpeed Eagle 14 Pulley Wheels have been designed to provide race precision shift performance and maximum drivetrain efficiency. Developed in partnership with Specialized S-Racing, CeramicSpeed Eagle 14 Pulley Wheels are the ideal substitute for SRAM factory standard pulley wheels, improving efficiency by 34.4% through a unique 14-tooth narrow-wide design. The Eagle 14 Pulley Wheels are designed as 14/14-tooth pulleys to obtain better shifting and less chain friction. The narrow-wide design adds further shifting performance and increased life time. The bearing race in the non-coated Eagle 14 Pulley Wheels is made of stainless steel to obtain even higher corrosion resistance and increased life time despite dirty riding conditions. Aluminium Pulley Wheels These aluminum alloy pulley wheels deliver a unique mix between low friction and long lifetime improving your performance when riding off-road with your SRAM Eagle 12-speed groupset. Titanium Pulley Wheels The Eagle 14 Pulley Wheels are available with CeramicSpeed Coated Bearings, which features increased resistance to corrosion and the damaging effects of contaminating factors like water, salt, or dirt are eliminated. This is thanks to a special coating applied to the bearing’s races, which is 75% harder than hardened steel.
CeramicSpeed Shimano XT/XTR 11 speed
$269.99
Designed for top performance on off-road Shimano XT/XTR derailleurs, these pulley wheels are developed to have a longer lifetime, even in the conditions provided by MTB riding, and deliver less friction. Thanks to the high-quality components CeramicSpeed uses, these pulleys are resistant to impact and perform at their best when going off-road. For extra protection when riding in wet and muddy weather, we recommend you to use the CeramicSpeed LongLife Grease instead of Oil. Aluminium Pulley Wheels Manufactured from a lightweight alluminium alloy, these CeramicSpeed Pulley Wheels are guaranteed to optimise your drivetrain efficiency whatever your off-road discipline.
CeramicSpeed CeramicSpeed Shimano 11 speed
$269.99
Upgrade your Shimano rear derailleur with CeramicSpeed Pulley Wheels for reduced friction and extended lifetime. The pulley wheels are the fastest spinning bearings on your bike, making an upgrade to CeramicSpeed an effective way to save energy. CeramicSpeed Pulley Wheels can be used for all cycling disciplines, and will last longer than any standard pulley wheels. The CeramicSpeed Pulley Wheels for Shimano rear derailleurs are specially designed to reduce friction to an absolute minimum, virtually eliminating the drag associated with standard pulley wheels. Compatible for all Shimano 11-speed rear derailleurs, including Shimano 9100-series rear derailleurs. Aluminium Pulley Wheels These pulley wheels are made from a light Aluminium alloy that guarantees top performance, whatever your riding discipline. All components of our pulley wheels are of the highest quality, ensuring the best results. Titanium Pulley Wheels To benefit from the ultimate pulley wheels when it comes to wear and tear, we have introduced the titanium pulley wheels, which are extremely resistant to wear. This makes them a great choice if you ride in demanding conditions – for example off-road, in wet or otherwise corrosive environments. The titanium pulley wheels are also available with coated bearings to reduce friction and prolong lifetime even further. The coated bearings are treated with a super thin (2 microns) protective layer that is applied to the bearing races. This increases the resistance of the bearing to corrosion even further, acting as a shield against the damage from foreign objects. Combining coated bearing races with a titanium pulley wheel creates a pulley wheel with extreme properties in terms of wear resistance and performance. In a test effectuated by Friction Facts, CeramicSpeed scored 0.033w, while Shimano Acera registered 1.370. With these results, the benefits are evident. See the test results here. To make sure that the pulley wheels perform at their best, it is important that your new pulley wheels are mounted correctly. Our videos will guide you through the process. *It is important that you properly lubricate your bearings in order to ensure optimum performance and maximum longevity. Add oil to the outside of the bearing seal, so the oil can penetrate the bearing. Maintenance for your CeramicSpeed Pulley Wheels is recommended every time you lubricate your chain, wash your bike, or after riding in wet or muddy conditions.
Shimano Dura-Ace 9150 Di2 11-Speed Rear Derailleur
$696.99
- Ergonomic Shifting Operation Without Stress - Shimano Synchronized Shift - Low Profile Rear Derailleur Design - Shimano Shadow Rd - Race Endurance For Less Damage In Crush - Maintains Compact And Smooth Appearance - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Total Capacity: 35T
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