Designed to fit a vast range of riders, the newest Endorphin accepts various wheel configurations with 135 or 150mm of travel and sets the tone for the next generation of Knolly bikes with a straight top tube and one-piece link. Designed to fit a vast range of riders, the newest Endorphin accepts various wheel configurations with 135 or 150mm of travel and sets the tone for the next generation of Knolly bikes with a straight top tube and one-piece link. Read More Vital MTB