A CO₂ inflator set that attaches onto down/seat tubes in place of a bottle cage or to the Uncage Side Draw Bottle Cage (BM17-UNCAGE-SIDE).Includes a Velcro strap to carry additional inner tube and tyre levers.Specification: Size: 10 x 5.1 x 3.7cm. Weight: 158g. Includes: 1 x E-Grip valve head, 2 x 16g CO2 cartridges, 1 x Velcro strap.