SD-X M58 V3 carbon rims will get you on the podium. Just ask the members of multiple National BMX Teams.
These medium high carbon rims are very light and stiff for fast out of the gate eccelleration. But at the same time strong enough for the most demanding race tracks. Tubeless-ready and meant to use with presta valves.
The SD-X M58 V3 rims will make you ride faster than ever.

20” x 1 1/8” - 1 3/8"
A= Internal Diameter (when eyelets, then eyelets to eyelets): 412mm
B= Rim Thickness (when eyelet, includes eyelet): 4mm
C= ERD: 420mm
20” x 1.75"
A= Internal Diameter (when eyelets, then eyelets to eyelets): 368mm
B= Rim Thickness (when eyelet, includes eyelet): 4mm
C= ERD: 376mm
24” x 1.75"
A= Internal Diameter (When eyelets, then eyelets to eyelets): 458mm
B= Rim Thickness (when eyelet, includes eyelet): 4mm
C= ERD: 464mm
Spoke calculator click here
Weights:
20" x 1 1/8 - 1 3/8 36h : 295g
20" x 1.75" : 320g
24" x 1.75" : 420g
* Weight may vary by +/- 10% due to carbon manufacturing processes.
Not rim-brake compatible.