Go Fast. Go Smooth.

Full carbon cross-country mountain bike wheelset with carbon composite G-Spokes built to be the lightest in class.

This cross-country GMX 25 wheelset is defined as riding fast and smooth. With Ride Smooth Technology from the G-Spoke hand built into every wheel, you have a 1314g mountain bike wheelset without compromising ride quality or durability. Ride Smooth Technology reduces pesky vibrations that lead to increased performance by increasing traction, confidence, and control. These wheels accelerate so effortlessly and smoothly while also reducing trail chatter and fatigue.

mountain biker on trail

GMX 25

Cross Country



  • 30 day returns
  • Free shipping
  • Secure checkout
  • Limited lifetime warranty
GMX-25 Int_ext


  • Spoke count:  24
  • 3.1 grams/spoke
  • Made-in-USA


  • Wheelset: 1314 grams
  • Front: 595 grams
  • Rear: 719 grams


  • Gulo Carbon Rims.
  • Hookless
  • Internal rim width: 25mm internal width
  • External rim width: 30mm external width
  • Rim depth: 23mm deep
  • Asymmetric offset, 29er

Tire Width

  • Recommended Tire Width 2.1” – 2.4”


  • Gulo ETI System Boost (110/148)
  • 6-bolt, 54pts/6.66° engagement

Driver options

  • Shimano HG Alloy
  • Shimano HG Steel
  • Shimano Microspline

Axle Front

  • 15X110 Boost

Axle Rear Options

  • 12X148 Boost
  • 12X148 Boost Microspline

Hub Finish

  • Black
  • Oil Slick

Spoke Ferrule Color

  • Silver

Weight Limit

  • 100kg/220lbs

Comes With

  • Rim tape and valves installed

All our wheels ship for FREE.

All orders are processed within 5 to 7 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive another notification when your order has shipped.



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