Our High Volume Boundary 2.0HV pump is designed for mountain bikers who need larger delivery of air for big tires. An extendable head means it's easier to pump, and the sealing lever doubles as a protective cover to keep it functioning no matter the conditions. The frame bracket has been optimized for recessed frame down tube.
- High-volume construction optimized for mountain bikes
- Innovative sealing lever doubles as protective head cover protecting against water and dirt
- Extractable head reduces the risk of damaging valve stem during inflation