Specialized Air Tool Big Bore MTB Color:Black Brake (Rear): Shimano M315 hydraulic

Brake (Rear): Shimano M315 hydraulic disc

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Hypoallergenic

Specialized Air Tool Big Bore MTB Color:Black Brake (Rear): Shimano M315 hydraulicDesigned for Fat and Semi Fat tire bikes, the Air Tool Big Bore Pump packs massive volume per stroke, and it features a head that still works with winter gloves on to make it perfect for backcountry winter fat biking. 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