Sram Force D2 Dub Left Crank With Power Meter Silver 172.5 mm

Performance measurement is a critical component of.training.That´s why we´ve made it as easy as possible for you to upgrade your Force AXS bike with a power meter.Our highly reliable power meter is housed inside the crank axle for clean integration.It is available with a standard Q-factor of 145.mm or a ´´Wide´´ Q-factor of 150 mm available and thus fits more bikes than ever before.It´s an invisible technology that adds minimal weight and helps you get to your destination faster.-The axis-based DUB-PWR unit measures power to the left to calculate total wattage.-Proven Quarq reliability and accuracy.-Long battery life (over 400 hours) lasts for a full season.-User-replaceable lithium AAA battery.-DUB inner bearing provides durability and simplicity.-Waterproof (IPX7 tested to 1 meter for 30 minutes).-Lightweight (less than 40 grams added weight to standard crankset).