S5 Clincher

It's appropriate that Mercury Wheels' name and logo reference a Roman god who is the patron of, among other things, travelers and thieves. 

If you're in the market for deep dish carbon rims, then you've probably already made the assumption that the number in the S5's name denotes a depth of 55 millimeters. The rim's width is left out, though, and rim width is a big deal these days.

The S5 is a solid 24 millimeters wide, which means you can run lower PSI for a more comfortable ride that corners with unparalleled confidence. Wider rims also have some counter-intuitive effects when compared to those standard 19 millimeter rims: they actually decrease rolling resistance and increase aerodynamics.



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The S5s' construction uses Mercury's Dual Carbon Layer Process, or DLP. DLP blends high- and mid-moduli carbon fibers to tease out the best balance between the lightweight and stiffness of the former and the fatigue-resistance and durability of the latter. DLP also involves the incorporation of basalt fibers in the brake track to reduce heat build-up and increase stopping power. This increased stopping power goes a long way toward addressing the poor braking that is one of the most common critiques of carbon wheels.

The aerodynamic benefits of a deep dish rim are further complemented by Mercury's Seamless Transition Technology (STT), which integrates the brake strip with the rest of the rim in order to eliminate any obstructions to wind flow and reduce drag-causing turbulence. The result of this construction is a wheel that balances the above qualities with considerations of weight for what Mercury claims is its "most popular wheel by far."

The S5s are finished off with Sapim's indefatigable Race spokes and Mercury's own hubs. The rear hub includes a generous six pawls for an engagement that's as close to immediate as anything we've seen on the market today, and the front hub has an extra-wide 72millimeter flange for reduced flex under hard efforts and confident stability at speed. Both hubs have a 15 millimeter axle that reduces to accommodate a traditional quick release and two and four oversized bearings in the front and back, respectively.

The Mercury S5 Clincher Wheelset comes with a Shimano/SRAM or Campagnolo 11-speed compatible freehub body and includes skewers, valve extenders, brake pads, and rim strips.


KEY FEATURES

Mercury's Dual Carbon Layer Process (DLP)

DLP blends high- and mid-moduli carbon fibers to tease out the best balance between the lightweight and stiffness of the former and the fatigue-resistance and durability of the latter

Reducing heat buildup

DLP also involves the incorporation of basalt fibers in the brake track to reduce heat build-up and increase stopping power. This increased stopping power goes a long way toward addressing the poor braking that is one of the most common critiques of carbon wheels.

Mercury's Seamless Transition Technology (STT)

The aerodynamic benefits of a deep dish rim are further complemented by Mercury's Seamless Transition Technology (STT), which integrates the brake strip with the rest of the rim in order to eliminate any obstructions to wind flow and reduce drag-causing turbulence.

Warranty

2 yr warranty extends from the date of purchase, applies only to the original owner, and is not transferable.  More info..

TECHNICAL DATA

  • Carbon Fiber
  • 24mm Width
  • 55mm Depth
  • Mercury Race Front Hub
  • Mercury Race Rear Hub
  • Sapim Race Spokes
  • Black Brass Nipples
  • 20/24 Spoke Count
  • Rim Brake Compatible
  • 1,770g Complete Set Weight
  • 2 year Warranty

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