Altura grid pannier backpackthe ideal pannier backpack that's ready for any commute, inner city errand or weekend countryside picnic adventure, the grid pannier backpack from altura is a versatile two in one bag that can be used as a backpack and bike pannier.lightweight, durable, water repellent bike pannier backpackdesigned to withstand the rigours of an urban commute, altura's grid pannier backpack offers great versatility, transforming from pannier to backpack when needed, and features a rixen and kaul vario hook fitting system which locks in place quick and easily, alongside a reinforced back panel that provides stability. Lightweight, durable and water repellent, the convertible bag is completed with a roll top closure and internal organiser, ensuring it is easy to pack, while reflective details help you stand out on the road on those early mornings or late evenings.features transforms easily from pannier to backpack lightweight and durable water repellent dwr finish grab handle laptop sleeve and internal organiser reinforced back panel rixen and kaul vario hook fitting system reflective details 20l capacitybuy altura accessories from chain reaction cycles, the world's largest online bike store.