Blackburn Core Mini-PumpThe Blackburn Core Mini-Pump a sleek mini-pump that fits perfectly to the frame of your bike. The pump goes up to 120 PSI and features a flexible hose that pulls out, putting less pressure on the valve of the tire. The presta-only thread sits on top of the hose to give you more options for the position in which you pump from. The Core also includes a Presta Valve Tool which unthreads from the bottom of the pump, allowing you to tighten the valve prior to threading the hose on. This is a perfect pump to inflate larger volume MTB tires with ease.768686068515
