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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.



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Mountain, Road, and Gravel rims.

29'r x 35mm and 45mm wide

27.5"/650b x 40m and 50mm wide

26" x 40mm  wide

700c x 22mm and 23mm inside wide

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