4iiii - Dual Side Precision Pro Ultegra R8000 Power Meter Size:175mm Crafted from full carbon fibre

Crafted from full carbon fibre

Available across Factor’s leading platforms—the all-round OSTRO VAM

enhancing neck protection

The Thermal Bootie is constructed from a water-repellent stretch fabric that provides a close fit and keeps the water out

Eye garage to keep your sunglasses securely in position when placed on the helmet

4iiii - Dual Side Precision Pro Ultegra R8000 Power Meter Size:175mm Crafted from full carbon fibreRidden 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)