Available in 3 sizes, the Z Adventure C2, C3 and C4 can be mounted on all bikes thanks to the removable and adjustable straps. The volumes are sufficient to carry a jacket in addition to a repair kit, a phone, a battery, a pair of gloves... The size should be chosen according to your needs but also according to the space inside your frame.Universal Mounting:Fastening with removable and adjustable hook and loop strapsWaterproof: IPX4, heat sealed construction and waterproof materialsWide opening: Easy access to the contents of the bag at all timesStorage: Inside Zipped PocketLight: Durable and lightweight materialSpecs:Material: Polyester 600D TPUDimensions (L x W x H): 340 x 110 x 65mmWeight: 155gMounting: Fastening with removable and adjustable hook and loop strapsCapacity: 2.5LZip: Water Repellent