Campagnolo Zonda GT Rear Wheel Zonda GT wheels are intended for maximum all-road versatility: ideal either for wider rough terrain tires or narrower road solutions. Features29. 5mm deep black anodized aluminum rim with 2-Way Fit system Black anodized aluminum disc brake hub with steel bearings24 spokes with G3 spoke pattern Mo-Mag system and self-locking aluminum nipples RDB Rim Dynamic Balance SPECIFICATIONSMFG#WC4450AR8A010Hub/Brake Compatibility Center-Lock Disc Wheel Size700c Cassette Body Type Campagnolo N3WISO Diameter622 / Road / 29"Rear Axle12mm Thru x 142mm Valve Presta Rim Width (Internal)23Rim Material Alloy Tire Type Tubeless Ready Clincher | Campagnolo | Zonda Gt Rear Wheel 700C 12 X 142Mm Center Lock N3W 2 Way Fit Black