HUNT
HUNT Timekeeper TT Disc
HUNT Timekeeper TT Disc
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Focus on the effort - we’ve handled the aerodynamics.
Combining rock-solid stability with razor-sharp efficiency, this wheelset allows you to channel every single watt straight into the pavement. From local time trials to the world stage, stop fighting the wind, lock into your position, and pour everything into the pedals. The TT Disc will take care of the rest.
Tyre size: 25–30mm tyres for maximum efficiency and stability. Hooked rim supports up to 34mm tubeless or clincher setups.
The Purpose.
Engineered for relentless velocity, the "Timekeeper” TT Disc maximises aerodynamic efficiency whether you're targeting a Club Ten PB or chasing a National Title. In full-bike wind tunnel testing at 50 km/h, its lenticular profile saves an impressive 8 watts compared to a standard 50mm carbon wheel. The subtly curved surface smooths airflow to dramatically cut drag while maintaining exceptional stability in crosswinds. Constructed from premium lightweight carbon fibre, it delivers unyielding stiffness, transferring every ounce of your effort directly into raw speed.
Key Features.

48T Ratchet DBL Hub System
- Our lightest internals & fastest engaging drive system.
- Dual-sided zinc-coated ratchet system.
- 7.5° engagement angle.

Valve Door
- Aero optimised fitment.
- 3x bolt fastening requiring a 1.5mm Allen key (not included) for install & removal.
- Reusable time after time.
Technology.
The “Timekeeper” TT Disc integrates race-proven aerodynamic and structural technology under HUNT’s strict validation standards. Its lenticular carbon profile smooths airflow detachment across dynamic yaw angles, cutting overall wind resistance. High-modulus carbon fibre construction delivers exceptional stiffness-to-weight performance, translating your output straight into forward drive without energy dissipation. Combined with precision-machined hub internals and smooth-rolling bearings for minimal mechanical drag, the TT Disc brings a sharp, tech-forward edge to your time trial setup, engineered to maximise watts where it matters most.
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