The SBT91 series of Power Meter Cranksets provide precision dual arm power meter measurements with advanced pedaling monitor capabilities. Pioneer Power Meter sensors are factory pre-installed and precision calibrated on Shimano’s Dura Ace R9100 crankset.

• The SBT91 series of Power Meter Cranksets provide precision dual arm power meter measurements with advanced pedaling monitor capabilities. Pioneer Power Meter sensors are factory pre-installed and precision calibrated on Shimano‚Äôs Dura Ace R9100 crankset.
• Four directional strain gauges and dual accelerometers per arm work together to precisely measure pedaling force, as well as Pioneer‚Äôs proprietary force direction and pedaling efficiency measurements
• The smaller left arm chassis design provides maximum bike compatibility, including TREK bicycles
• Easy connection to ANT cycle computers and running watches for displaying Power, Power Balance, Cadence, Pedaling Smoothness, Torque Effectiveness, NP, IF, and TSS power metrics
• Bluetooth BLE Connectivity for easy set-up, maintenance, and Live Pedaling Viewer via Pioneer Cyclo-Sphere Control app for iOS and Android