Quarq Dzero Dub Axs Spider With Power Meter. This power meter is praised for its accurate and reliable performance, with data comparable to a Tacx Neo. It´s a durable, lightweight, and well-made product built for all-weather riding. The easy installation, simple app calibration, and flawless syncing with Wahoo units are key features. Compatible with GXP and DUB cranksets, this power meter offers fantastic quality and precise power measurement, making it a highly recommended, budget-friendly choice for training. Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DZero DUB is built with broad compatibility and will work with most 10 speed and 11 speed chainrings. Build the power meter that best fits your bike, choose between 110 BCD or 130 BCD power meter spider, the crank length to fit you, and the compatible SRAM DUB bottom bracket for your bike.Features:- Bluetooth low energy technology and ANT+ wireless data transfer- MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate- AxCad -- no cadence magnet required- 10K Temperature Compensation- Battery -- CR2032, 200-hour battery life, change without tools- OmniCal -- swap chainrings without affecting accuracy- IPX7 waterproof rating- Accuracy -- within 1.5%, measuring both legs.Specifications:- Speeds: 11- Crank arm length: n/a- BB Compatibility: All SRAM Road DUB BBs- Chainring Size: No rings- Bolt Circle Diameter (BCD): 130 BCD- Chainline: n/a- BB Spindle Interface: DUB- Chainring material: No rings- Guard: No Guard- Crank arm material: n/a- Power Meter Type: ANT+ and BLE. tradeinn Bikeinn