Stages Gen 3 single-sided Power L meter built onto a non-drive-side Shimano GRX RX-810 crank arm. Compatible with all Shimano GRX Cranksets.

• 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 5000
• Cadence range (rpm): 10-220
• Water resistance rating: IPX7