Description The Shimano RX180 Disc Brake Front Wheel is the all new GRX tubeless ready gravel wheel. Compatible with tubeless tyres from 32mm to 50mm wide. Shimano RX180 Disc Brake Front Wheel Specs Rim Type: Front Rim Diameter: 700c Rim Inner Width: 25 mm Rim Height : 21 mm Material: Aluminium Axle: 12mm Thru Axle OLD: 100 mm Bearing Type: Sealed Bearing Brake Type: Centerlock Disc Spoke Count: 24 H Bead Type: Hooked Tubeless Shimano Product Identifier: WH-RX180-TL-F12-700C