H.a.w.g. Pro 20 100oz hydration packkeeping you on track for long days and epic rides, the camelbak h.a.w.g. Pro 20 100oz hydration pack is lightweight, breathable and spacious for all trail essentials, plus impact protectortrade and e bike battery compatible.designed so you can spend more time logging those miles, the camelbak h.a.w.g. Pro 20 100oz hydration pack is built with an air supporttrade pro back panel featuring body mapping technology, alongside a 3d vent mesh harness to ensure you stay cool and comfortable wherever you ride. Additionally, a 3 litre cruxreg reservoir quicklinktrade system ensures you stay hydrated as you work up a sweat, while the generous capacity leaves space for your snacks, extra gear and valuables. To finish, there is specific pocket for an e bike battery and a bike tool organiser roll is included.features3 litre 100oz cruxreg reservoir quicklinktrade systemair supporttrade pro back panel with body mapping technologybreathable 3d vent mesh harnesship belt with cargomagnetic tube trape bike battery sleevehelmet carrybike tool organiser roll includedimpact protectortrade ready sold separatelytotal capacity 20 litres weight 1015g fits torso 43 53cm 17 21 inchesbuy camelbak hydration systems from chain reaction cycles, the world's largest online bike store.