Fatback Bikes Uma 70mm Tubeless Rims

Uma 70mm Tubeless Rims

The first single wall tubeless fat bike rim. These may be a few years old, but they still perform better than most rims on the market today.


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Easy tubeless setup, extremely durable, and a great rim to keep your 4.0" - 4.5" tires in the best possible shape for flotation and traction. 

  • 72mm External
  • 68 internal measurement
  • 815 g. 
  • Color options: Black, Silver, and Red
  • Each rim will ship with a reflective rim strip
Fatback Bikes Uma 70mm Tubeless Rims