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Rims: Designed and reinforced for the low spoke count (12H Front, 12H Rear) and high spoke tensions, this proprietary carbon fiber rim offers superior lateral and torsional stiffness for all the power you can put into it. The 58mm deep profile combined with a narrow spoke bed significantly decreases wind drag while also minimizing rim weight. Brake sidewalls are impregnated with fiberglass for improved braking performance and durability. Built on the technology of the TT58 but with two additional front spokes, the TdF58 is UCI legal for road races and ITU legal for draft legal triathlons.

Hubs: The TdF58 rims are laced to the TdF4.4 proprietary hub, designed and manufactured in the USA. The front hub has a unique 85mm wide flange placement which increases the lateral wheel stiffness by nearly 20%. The rear hub features our Patented Differential Flange Diameter, which doubles the number of pulling spokes and creates a more durable wheel. Both hubs are fully CNC machined and feature oversized axles, increasing the wheel durability and stiffness without increasing the wheel weight.

Freehubs: CNC machined Titanium freehub body has 3 independently sprung steel pawls for a bomb-proof torque transfer system. This system is strong, simple and dependable.

Spoke & Nipple: The TdF58 wheel set features paired, 14 gauge custom bladed spokes with internal alloy nipples with nylon inserts to create a quicker accelerating, faster climbing wheel with superior, long-term durability. Self-locking thread technology ensures wheels stay true longer. Our Patented, Jacketed Nipple Design™ reduces spoke bending loads and wind drag, increasing spoke life and contributing to a more durable, stiff and aerodynamic wheel system.

Extras: Rolf Prima TdF58 wheel systems include custom reinforced rim tape and Titanium quick release skewers.