VeloChampion Pro Airblast Double Shot Alloy Mini Bike Pump Black/Silver The VeloChampion Pro Airblast Double Shot Alloy Mini Pump has the quality and finish of a product usually costing twice as much. Double Valve head design for Presta (Road Bike) & Schrader (Mountain Bike) means no more changing valve adaptors Mounting bracket included to attach pump under your existing bottle cage. Thumb lock lever to lock pump to the valve. 'T' handle for extra grip. SIZE - 230mm length. WEIGHT - 137g. 100psi maximum pressure.