4iiii - Dual Side Precision Pro Ultegra R8000 Power Meter Cross Country With low rolling resistance and

With low rolling resistance and contact edges for improved traction and braking

alpine lines to backyard trails

Soothing and antiseptic

It has a super-high boiling point to keep brakes sharp and fade-free and will perform well on the longest

4iiii - Dual Side Precision Pro Ultegra R8000 Power Meter Cross Country With low rolling resistance andRidden 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)