S4 Disc Brake

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handmade-in-utah   Handmade in Northern Utah since 2008
  73k+ fans

The perfect blend of climbing power and aero:

The S4s, designed after our world's fastest wheel, bring a slightly shallower depth for a smooth ride maximizing performance. You will feel faster on ascents, more comfortable on descents and more stabilized in cross wind situations.
- Depth: 45mm
- Width: 21/28mm
- Weight: 1630g

Speed Guarantee:
We offer a 100% Satisfaction Guarantee. Don't let the price fool you, the S4 is a professional-quality wheel. 

Mercury Wheels are engineered in the US and hand assembled at our facility in Ogden UT.


In stock - Usually dispatched within 24 hours