SHIMANO Front Wheel RX870-700C Tubeless Disc Brake Ethru

Description

The new GRX wheel makes gravel rides faster, farther and more fun. Wider tires need wider rims to maintain the tire's lateral stability at low air pressures. Shimano studied the complicated relationship between tire size, rim width, air pressure and tire lateral stiffness to optimize the width of the GRX rim for 32-50c tyres. In addition, we seek the best balance between weight, resistance and rim profile, to offer an exceptional gravel wheel.