Topeak products are designed to be the best available and the topeak mini master blaster pump is no exception this dual action mini bike pump quickly and effortlessly inflates to 120psi available with or without a gauge this bike pump is a must whether you ride a road or mountain bike when not in use the compact sized pump can be easily carried in a ruckack or saddle bag features effortlessly inflates to 120psi available with or without gauge aluminium barrel quickly converts betwee