SRAM XXSL Power Meter Spider Crank, 34t T-Type, Q168, 170mm Black Mountain Cranksets

- XX SL crank arm with an integrated power meter to record and deliver live, accurate power readings to your head unit \n - Spider design uses a proprietary chainring mount system which allows reduced weight without compromising reliability \n - Dual sided power measurement system calculates total watts, it’s subtle, lightweight, and boasts unbeatable battery life \n - Compatible with the Flight Attendant system, allowing for total connectivity between all AXS enabled components \n - Choose 168mm or 174mm Q-factor (check frame manufacturer for specs) \n - BB and BB DUB spacers are not included