The 105 (FC-5800) Stages Power meter replaces the non-drive crank arm for existing 105 model cranks. Riders looking to add power to their existing crank need only select crank length. The Stages Power meter for 105 fits all styles of 105 crankset, including: compact and standard. Standard and black finishes are available.
Stages Power L Accuracy: ± 1.5%
Generation 2 Accuracy: ± 2%
Weight: Only adds 20gr to base crank arm
Battery Life: 200+ hours (coin cell: CR2032)
Power range (Watts): 0 to 2500
Cadence range (rpm): 20-220
Water resistance rating: IPX7
Frame Compatibility: Most frames, see fit guide in our Support section
Crank Compatibility: All Shimano Hollowtech II road cranks
Device Compatibility: ANT+, Bluetooth Smart Ready
Software Compatibiity: Training Peaks, Strava, Garmin Training Center and others.