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Mountain, Road, and Gravel rims.

29'r x 35 and 45mm wide

27.5"/650b x 40 and 50mm wide

26" x 40mm  wide

700c x 22 and 23mm inside wide

Before derby rims, wide aluminum rims added at least 1/2 to 3/4 lbs in rolling weight. Heavier rims are slower to accelerate, slower climbing, slower handling. Added wheel weight bounces more, reducing traction, especially at faster speeds.

But now derby rims, the world's first carbon fiber wide rims, are stronger, stiffer, lighter.

how wide ?

Why Not WIde ?

Wide rims build into strong and stiff wheels. Also optimize tire performance, for more stable handling and much increased traction and control.



      WIDE  CARBON FIBER Mountain Bike RIMS