4iiii - Dual Side Precision Pro GRX RX810 Power Meter Size:175mm rim brakes can overheat the

rim brakes can overheat the rim to extremely high temperatures

A core staple for any rider

Works on butyl tubes

Built-in straps for fast

stretch and breathability

4iiii - Dual Side Precision Pro GRX RX810 Power Meter Size:175mm rim brakes can overheat theRidden 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)