SRAM Red DZERO Power meter - 110 BCD 175mm

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The SRAM Red DZERO Power meter - 110 BCD 175mm combines 10 years of technology advances with features such as dual Bluetooth low energy and ANT+ wireless data transfer. The Quarq D Zero power meter platform features a new measurement circuit, a revised strain gauge design, improved accuracy throughout the pedal stroke and software advances built into the Qalvin App, Bluetooth low energy and ANT+ lets you choose how to capture the data. ANT+ continues to be used in most cycling computers, and BLE works with most smartphones BLE does not need a dongle or USB stick. Qalvin BLE needs no additional hardware. 10K temperature compensation, easy-to-replace batteries, OmniCal, AxCad, an IPX7 waterproof rating and 2-year-warranty. Exogram carbon crank arms with a hidden bolt spider 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. Show more