As versatile as it is robust—a rim for all surfaces! Anyone wanting to build a reliable, super-stiff wheel is starting in the right place with the RR 511. Thanks to a state-of-the-art alloy and surface treatment, this extremely robust 32mm high semi-aero rim is lighter than you would think. And, those thinking of using it on Gravel or Cyclocross courses can easily install tubeless tires.