Giant Control Mini MTB + Cycling Mini Pump features a compact design for mountain bike riding, with a CNC machined aluminium body, extendable hose inflating up to 140psi.Features- Compact design for MTB bikes - CNC machined aluminium body - Extendable hose with unique roller system - Threaded Valve - Mounting bracket - Presta Valve - 140 psi / 9bar maxSizes20.5x27x270mm