The burra burra drypack 23 provides weatherproof protection for your larger gear as it has nearly twice the volume of its smaller counterpart the drypack 13along these lines it will only fit securely on flat bar bike rigs via our harnesssee prod id 70157httpswwwcyclestorecoukspecialized handlebar stabilizer harness id 70157 but its rolltop design permits access to its contents from either end of the pack it also features an incredibly durable and water resistant 100d cordura ripstop co