128 bit Secure Checkout
   100% Satisfaction Guaranteed
   FREE Shipping
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.
  • - Depth: 45mm 
  • - Width: 27mm
  • - Weight: 1625g


    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.

    Who it's for:
    Pro peloton tested: used by podium finishers at:
    - US Pro Road Race - National Champion
    - German Cyclocross - National Champion
    - Athens Twilight Crit (x2)-1st Place
    - Tour of Utah - Yellow Jersey Wearer
    - Multiple US National Championships
    - Wednesday Night Worlds
    - Weekend Warriors

    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:



Customer Testimonials

Based on 17 reviews Write a review

Related Items