The Knolly Endorphin Bike ...not just your everyday trail bike, the Knolly Endorphin comes well equipped to perform in any riding conditions you want to throw at it. From casual XC rides, All Mountain epics or simply shredding your local trails, the Endorphin comes in at 26 pounds with a standard build kit. This All Mountain weapon is set to deliver a memorable riding experience every time you get into the saddle. Playful, nimble, plush, stable and fun are a few words to describe the riding experience.