Every innovation in Quarq’s next-generation DZero platform is channeled into DFour. It embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.Designed for Dura-Ace 9000 chainrings. Compatible with Ultegra 6800 and 105 5800 chainrings..Must be paired with a compatible SRAM bottom bracket..ELSA RS power meter owners can upgrade using the DFour Power Meter Spider..Free firmware upgrades with the Qalvin app..BB30 versions ship with the spacers and wave washer required for BB386EVO installation..Key Features:Bluetooth low energy technology and ANT+ wireless data transfer..AxCad - no magnet..10K Temperature Compensation..Battery - CR2032, 200-hour battery life, change without tools..OmniCal - swap chainrings without affecting accuracy..2-year warranty..IPX7 waterproof rating..Accuracy - within 1.5%, measuring both legs..Specifications:Material - CNC Machined Aluminum Spider, Exogram™ Carbon Crank Arms.Accuracy - 1.5%.Bolt Circle Diameter - 110 Asymmetric BCD.Arm Lengths - 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm.Q-Factor - 145mm.Bottom Bracket - GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A.Wireless Technology - ANT+, Bluetooth low energy technology.Battery - CR2032, 200 hours of riding time.Weight - 588g.Head Unit - ANT+™ and Bluetooth® low energy technology compatible head units (available separately).Analysis Software - TrainingPeaks WKO4®, TrainingPeaks®, Today's Plan, Golden Cheetah, Strava® and others (available separately).Compatibility - Shimano® 11-speed chainrings (except for R9100). Designed for Dura-Ace® 9000. Compatible with Ultegra® 6800 and 105® 5800..
Key Features:AL7075-T6 aluminium construction,3mm thickness,Optimised width for use with DH chain guides,Black anodised with laser etched logo.
Key Features:Outside Diameter: 41.0mm,Inside Diameter: 30.2mm,Height: 6.5mm,Inside Angle: 36°,Outside Angle: 45°.
Key Features:Outside Diameter: 38.0mm,Inside Diameter: 27.2mm,Height: 6.5mm,Inside Angle: 36°,Outside Angle: 45°.
Key Features:Precision CNC machined A7075/T6,Shifting ramps and stainless steel pins for outer and middle rings,Black anodised with CNC details,Laser etched logos,Available in Shimano 10 speed (N10),Sold and supplied individually.Note: Images are for display purposes only.
Key Features:Outside Diameter: 51.8mm,Inside Diameter: 40.0mm,Height: 8.0mm,Inside Angle: 36°,Outside Angle: 45°.
Key Features:AL7075/T6 alloy chainrings,Shifting ramps and stainless steel pins for outer and middle rings,Black anodised,Available in Shimano 10 speed (N10).Please Note: Chainrings are sold individually
MAX berings are designed without retainers and 40% more balls than standard ABEC 3 or 5 bearings. This enables them to carry a much higher load and makes them perfect for frame pivots. They are also packed with CRC Marine Grease, which will not wash out or break down when wet ensuring your frame bearings last even longer.Bearing Code: 6808,Dimensions: 40mm x 52mm x 7mm,ABEC: 3 ,Grade: 10,Seals: LLU,Grease: CRC Marine,Application: Frame Pivots,Weight: 31.74g.
Features: PressFit 30 to outboard bottom bracket - compatible with all standard 24 mm axles., Eliminates the need for adaptors., Serviceable, double lip sealed Enduro bearings., USA machined aluminium shell for superior function and durability., Threaded design for easy installation and removal., Fits 68 - 73 mm width shells., Black anodized.,
Replacement bearings for MTB BB9200 (200-1962) bottom brackets