The iconic Mule. is the perfect balance of weight and hydration in a versatile, narrow-gauge design. An updated classic, designed for maximum stability on technical terrain. The Mule. bike backpack combines 9L for storing clothes and other essentials with a 3L Crux hydration bladder with quicklink. The Air Support back panel and ventilated harness ensure a cool and comfortable fit, while the removable stability strap offers further customisation, and an integrated tool compartment, secure zipped pockets and an external helmet holder provide versatility and organisation.