Air Pump for RockShox Boxxer (Convertible Air Pump) - The SRAM RockShox Convertible air pump is a high pressure and high volume air pump designed for bicycles including tires and shocks. The SRAM RockShox Convertible is an excellent quality air pump that includes a frame clip and Presta valve adapter for the Schrader valve connection common on tires and shocks. The t handle makes pumping easy and the convertible larger cylinder allows you to pump for high volume easily without the need to carry a second pump.