S4 Disc Brake

Braking Use

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handmade-in-utah   Handmade in Northern Utah since 2008
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    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: 20/28mm
  • - Weight: 1630g


    Speed Guarantee:
    We offer a 100% satisfaction guarantee: the S4 is hands down the fastest wheel in it's class. Our mission is to create a professional-quality wheel for everyone.

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

    Your wheels come with a two year warranty. For more info see:



Collections: Carbon, Previous Models, Road

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