Good used condition some scratches as used Stages Gen 3 single-sided Power L meter built onto Shimano's R8000 172.5mm crank arm. Compatible with all Shimano Hollowtech II road drivetrains. Accuracy: ± 1.5% Power meter housing: low profile design, with robust door interface Weight: Only adds 15g to base crank arm Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter Power range (Watts): 0 to 2500 Cadence range (rpm): 10-220 Water resistance rating: IPX7 Left crank arm only.
