• Designed for gravel, mountain, and fat bike tires • Three pump sizes: 30, 40 and 85cc • Pump head is placed directly on valve stem; no hose or threading required • Compatible with Presta valves only. Not compatible with Schrader valves. • Bottle cage mount included with pumps (pairs exceptionally well with Wolf Tooth B-RAD Bottle Shift) • Pumps available with and without EnCase System multi-tools • Max pressure is 70psi • EnviroLock sealing protects pump internal components from water, sand, mud, and debris • All individual components sold individually via Wolf Tooth Right to Repair