This gravel bike 650B rims are with 29mm wide aero, tubeless, and optimized for wider tires. It is the ideal gravel 27.5 wheels for real gravel cycling. It is with Hybrid construction of Toray T-800 and T-700 lightweight gravel layup for weight saving.
The new 28mm wide bicycle rim tubeless compatible is offered in both rim brake and disc brake, hook and hookless design. It is perfectly for wider tires and perform better in the wind tunnel. Idea for racing, cross or training.