Dura Ace FC-9000 53T/52T and 50T Outer ChainringGenuine replacement Dura Ace FC-9000 53/52 and 50 tooth outer chainrings. For best shifting performance please take a note of the matching inner ring these outer rings need to be paired with.Features: Pairing configuration: 53 outer with 39 inner 52 outer with 38 inner 52 outer with 36 inner 50 outer with 34 innerA 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.
Praxis Works don't do conventional. They set out to create something better than everything else. The Buzz 130 BCD Chainrings are one such example. A unique construction method and advanced shifting features create the ultimate aftermarket chainrings.Unique cold forged 7075 T6 aluminium construction is lighter, stronger & more durable than stamped or machined chainringsLevaTime Shifting Technology boasts synchronised ramps & shift pins to deliver perfect shifts every timeCompatible with 5-arm 130mm BCD cranksetsFor use with 10 & 11-speed drivetrainsWhereas most chainrings are stamped or machined pieces of aluminium, the Praxis Works Buzz 130 BCD Chainrings that are cold forged from 7075 T6 aluminium and then hard anodised. This unique method creates chainrings that are just as light, but are much, much harder wearing and provide slicker shifting for longer. Further improving the shifting performance is Praxis Works LevaTime Shifting Technology. LevaTime Shifting boasts a series of synchronised ramps and strategically placed shift pins to help deliver perfecting every time. Thanks to this and the durable construction, the Buzz Chainrings will provide silky smooth shifting for years to come. Light, durable and with the slickest of shifting, the Praxis Works Buzz are the ultimate aftermarket replacement chainrings.
Rotor Q Rings DM Oval ChainringsThese stunning Oval chainrings are specifically designed for use with your 2x11 speed road cranks. Additionally, their robust CNC-machined 7075 aluminium construction provides excellent torque for conquering every climb and descent.Features: Material: CNC-machined 7075 Aluminium Mount: Direct mount Use: Road Speed: 2x11 speedBuy Rotor Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Stages Cycling Power R G3 cw Chainrings Dura-Ace R9100Ridden by three TDF winners and multiple championship winners to victory, Stages power metres have been proven to be able to perform at the most elite level of the sport. This right-sided power meter provides readings with an accuracy of within +/- 1.5% and can be used with any Shimano road drivetrain. Increased AccuracyStages has built on what it learned when producing its Gen 2 model, by developing the technology even further for increased accuracy of the readings. This Gen 3 model is assembled within a Dura-Ace 9100 drive side crank arm and is individually calibrated. This ensures it provides an accuracy that can be trusted by avid amateurs and professionals on the World Tour. Reliable Readings In Any WeatherTo ensure the measurements remain consistent in any weather type, Stages introduced a feature that's never been seen integrated into a power meter before. The feature is “Active Temperature Compensation” and Stages added this technology to account for any sudden temperature changes that you might encounter on your ride. If temperature changes are not accounted for, it can result in false and inaccurate data. Strong Connection Other improvements include more powerful Bluetooth and ANT+ transmitters. These improvements ensure the power meter provides a powerful and stable connection with your cycle computer is maintained. Also, thanks to the addition of a more advanced accelerometer, the power meter has a faster sampling rate for more up-to-date feedback on your performance.Features:Accelerometer based cadence measurement Wirelessly upgradable firmware LED indicator displays battery level Updated accelerometer and addition of gyroscope Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strengthBattery Life: 200+ hours (coin cell: CR2032) when used as a single sided meterPower Range (Watts): 0 to 5000Cadence Range (rpm): 10-220Water Resistance Rating: IPX7Weight: Only adds 20g to base crank armCompatibility: Compatible with all Shimano Hollowtech II road drivetrains Frame Compatibility: Most frames Device Compatibility: ANT+, Bluetooth Smart ready Software Compatibility: StagesLink, Training Peaks, Strava, Garmin Training Centre and othersIn The Box: • Power meter (Right side power only) High-quality CR2032 coin cell battery Product identification card with serial number and ANT+ I.D. Number user guideBuy Stages Cycling Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Stages Power Right for Shimano Dura-Ace 9100 or Ultegra R8000 is a right side only power meter that will transform new and existing Gen 2 Stages Power meters into a dual-sided power option.Specifications:Accuracy: ± 1.5%,Weight: Only less than 15gr to base crank arm,Battery Life: 200+ hours (coin cell: CR2032),Power range (Watts): 0 - 2500,Cadence range (rpm): 20 - 220,Water resistance rating: IPX7,Frame Compatibility: Most frames, see fit guide in our Support section,Chainring Compatibility: 53 x39, 52x36, 50x34,Device Compatibility: ANT+, Bluetooth Smart Ready,Software Compatibiity: Stages Link, Today's Plan, Training Peaks, Strava, Garmin Training Center and others,Tool free battery replacement,Active temperature compensation,Accelerometer based cadence measurement,Wireless firmware upgrades.