2-in-1 aluminum barrel pump design for shock and/or tire inflation by converting between single-stage (high pressure) or two-stage (high volume) actuation- 360 degree swivel hose with finger-tap bleeder, flip-out ergo handle, and no-leak swivel Schrader valve head with Presta adapter- Removable 300psi gauge with protective rubber casing and rubber lanyard covers for gauge attachment and pump head- Includes H2O-boss mounting clip with bolts and Velcro security strap