QUARQ DFour GXP Powermeter Crank

Description

QUARQ
DFour GXP Powermeter Crank

Every innovation in Quarq?s next-generation DZero platform is channeled into the Shimano?-compatible DFour power meter. Designed for Shimano??s lightweight, ergonomic Dura-Ace? groupset, DFour is Quarq?s most advanced Shimano?-compatible power meter ever.
DFour embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer and the new Qalvin BLE app. Features – DFour GXP Powermeter Crank with 110mm bolt circle diameter Designed for Dura-Ace? 9000 chainrings. Compatible with Ultegra? 6800 and 105? 5800 chainrings Must be paired with a compatible SRAM bottom bracket Exogram carbon fiber crank arms Bluetooth low energy technology and ANT+ wireless data transfer AxCad ? no cadence magnet required 10K Temperature Compensation. Battery ? CR2032, 200-hour battery life, change without tools OmniCal ? swap chainrings without affecting accuracy Power Balance IPX7 waterproof rating Accuracy ? within 1.5%, measuring both legs Free firmware upgrades with the Qalvin app Product features Use: Road, Triathlon Crank Arms: DFour Model:?QUARQ GXP Mounting: 110mm BCD
Axle diameter: 24mm Bottom bracket: GXP (BSA 68mm), PressFit GXP Gear front:?1/2-speed Gear rear: 10/11-speed Q-Faktor:?145mm Chain line:?45mm Battery: CR2032 Battery Life: approx 200 hours Accuracy: +/- 1.5% Waterproof Rating: IPX7 Data Transfer: ANT+, Bluetooth? Smart (4.0/LE) Compatibility: Shimano? 11-speed chainrings (except Dura-Ace? R9100) Crank Arm Length (choose variant) 172.5mm 175mm Material? Crank arms: Exogram Carbon Powermeter: Aluminum Color black Weight 559g (manufacturer information) Scope of delivery QUARQ DFour GXP Powermeter Crank Chainring and Bottom bracket GXP / PressFit GXP not included! Technologies Exogram?
The new Hollow Carbon Construction starts in the crank arm and extends into the cranks? spider. It maximizes the stiffness to weight ratio.

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