Stages BB30 172.5mm Carbon power meter crank arm Gen 3

New in box never used

Carbon 172.5mm arm that replaces your current left arm and requires the correct stages spindle depending on your current crankset.

This carbon Stages Power meter fits 30mm spindle BB30, OSBB and 386EVO bottom bracket standards by way of appropriate Stages 30mm alloy spindles.

-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) 
-Power range (Watts): 0 to 2500
-Cadence range (rpm): 10-220
-Water resistance rating: IPX7