Designed for Fat and Semi Fat tire bikes, the Big Bore packs massive volume per stroke and a unique head that still works with winter gloves on

- Oversized press-on Schrader and Presta head won't accidentally remove valve cores and can be easily used with thick gloves.
- Flexible hose attachment allows for aggressive pumping without fear of damaging valve stems.
- Inverted barrel design allows for high volume in a compact size.
- Coarse machined aluminum barrel for extra grip.
- Water bottle boss mount with elastomer band included.
- Max pressure: 50psi (3.5bar)
- Volume per stroke: 90cc