SRAM, Force E1 PM, Left Arm with Power Meter Spindle, Speed: 12/13, Spindle: 28.99mm, DUB, 170mm, Black, Road

Description

* Upgrade your existing Force E1 crank with a spindle based power meter* Proven Quarq reliability and accuracy* Long battery life to power a season of rides* Waterproof (IPX7) waterproof to 1 meter for 30 minutes)* Spindle-based unit measures left side power to calculate total watts* SRAM Model ID: PM-FRC-ASSY-E1