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 CENTER LOCK disc brake hubs, providing confident braking in all conditions.
Specifications:
Rim Material: Carbon-laminated alloy.
Wheel Size: 700c.
Tire Type: Clincher, tubeless-ready.
Rim Depth: 28mm.
Rim Width: 23mm (external).
Brake Compatibility: Center Lock disc rotor.
Hubs: Shimano.
Front Axle: Thru axle, 12x100mm.
Rear Axle: Thru axle, 12x142mm.
Spokes: Straight pull.
Spoke Count: 24 front and rear.
Claimed Weight: 1,639g.