Mountain, Road, and Gravel rims.

29'r x 30i and 40i wide

27.5"/650b x 25i, 35i and 45i wide

26" x 35i  wide

700c x 22i and 23i 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.

WHy WIDE?

 

how wide ?

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Why Not WIde ?
 

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WIDE  CARBON FIBER Mountain Bike RIMS +++                                             Road, Gravel, & e-bike Rims











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