From road to gravel, the Ultegra RS770 supports wider tires for mixed surface and rough tarmac riding. The tubeless carbon laminate rims are complimented by centre lock disc brake hubs, providing confident braking in all conditions. This front wheel is lightweight, provides fast rolling efficiency, direct power-transfer from rider to road and is virtually flex-free. The rim features an advanced carbon fibre construction, combined with cup & cone bearings for ultimate adjustability and hassle-free maintenance; this wheel is designed to perform at the highest level and boost your cycling experience. 

High-Quality, Consistent Rolling Efficiency: The hub features high-quality contact seals and the iconic Shimano Cup & Cone bearing system,  which provides smooth and consistent rolling efficiency and top-level performance output.

• Material: Rim: Carbon, Aluminium; Hubshell: Aluminium; Freehub Body: Steel; Spokes: Stainless Steel
• Spoke: 24
• Rim Height: 28mm
• Rim Width: 23mm
• Type: Clincher, Tubeless Ready
• Brake Interface: Centre Lock Disc
• Bearing Style: Cup & Cone
• Axle Standard: 12mm E-Thru (axle supplied separately)
• Weight: 750g