For maxxis nothing less than the best is good enough for over 38 years maxxis have consistently produced high quality products that never stop improving in performance the maxxis fr tube has been specifically designed to handle the tough terrain of freeriding with 12mm thick walls this maxxis tube provides fantastic puncture resistance and is available as a schrader valve bike tube maxxis freeride 26in inner tube features 12 mm thick walls freeride specific presta amp schrader val