The Brompton Pump with Mounting Brackets (Part no: Q102523 ) is a compact frame-fit pump made of aluminium, specifically designed for cycling. Works with Schrader and Presta. Alive types and includes Lezyne’s ABS (air bleed system) - a button to release pressure and prevent presta valve cores being pulled out of the valve when the pump is removed. Brand new in box UK Postage only