4iiii - Dual Side Precision Pro GRX RX810 Power Meter Size:175mm corners on rails

corners on rails

Factor MONZA – Race-Proven Performance

The Tool-free locking SpeedKnob™ 2

stretch and breathability

4iiii - Dual Side Precision Pro GRX RX810 Power Meter Size:175mm corners on railsRidden by the pros, the PRECISION PRO dual side power meters deliver all the benefits of 4iiii's left side model (exceptional accuracy, lightweight design, ANT+ and Bluetooth compatibility, 3D power meter technology), plus a specific breakdown of left and right wattage. Perfect for those who need specific power output from each crank side, or anyone who simply wants the best power meter on the market. 3D power meter technology (patent pending)