Shimano DURA-ACE R9100 Gen 3 Power Meter Dual

The new Gen 3 Stages Power meter is built onto a Shimano Dura-Ace R9100 crankset. The Stages Power meter is placed on both the drive and non-drive side of the crank in order to independently measure a rider's left and right legs.

Specifications

• Accuracy: ± 1.5%
• Power meter housing: low profile design, with robust door interface. Tool free battery replacement on the left arm and phillips head screw access on the drive side
• Weight: Only adds 35g to base crankset
• Battery Life: 175+ hours (via 2 coin cell: CR2032)
• Power range (Watts): 0 to 5000
• Cadence range (rpm): 20-220
• Water resistance rating: IPX7