The topeak mountain pump is an efficient single action design that inflates to 120psi it includes a folding t handle for better grip and comfort while inflating and also works with presta and schrader valves features composite barrel thumb lock lever ensures airtight seal head mudcap 33x46x27cm 127g topeak is the world leader in developing and producing innovative accessories designed to make cycling more convenient more accessible and more fun at every level we are cyclists