Foundation Dual Chamber Mini Bike Pump Small and compact in design, frame pumps are designed to be mounted or strapped to your bike's frame and readily available in the event of a flat tire when out on the trail. The Foundation dual chamber Mini Bike Pump features an CNC machined aluminum body, a compact length, and a lightweight construction. The dual chamber design allows for a larger stroke volume, making inflating your tires a breeze. A textured handle helps to improve your grip when inflating your tire, and the head can accommodate both Presta and Schrader valves. Features Dual chamber design more stroke volume Fits both Presta and Schrader valves Included frame mount | Foundation | Dual Chamber Mini Bike Pump Black