Ride longer and rehydrate better with Zefal's Magnum 975ml bottle. Features soft push material for easier liquid delivery. BPA-free - No Bisphenol-A, Phtalates or other toxins used.
Perfect for SHIMANO ALFINE equipped bicycles, the double pulley chain tensioner can accommodate a front chainring difference of 16 teeth and sprockets sized 18 to 20 teeth.
