Whether you’re a pro or simply training hard, PRECISION left side power meters deliver industry-leading accuracy, highly dependable cadence data, 3D power meter technology capable of measuring tri-axial strain on your crank arm. Packaged into a durable, lightweight design and compatible with broad ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter.
PRECISION Factory Install is installed on your existing left crank.
Factory Install crank compatibility list
Frame Clearance Check Used to pace attacks up the Alpe D’Huez in the Tour de France and to hammer on the Queen K during the...View full product details