check your existing clamp to see if the size is printed

there is no CO2 inflator on this pump

and 10 mm sizes

Low - 50 lumens - Up to 32 Hours

yet give you class leading protection on gnarly descents

Granite Design Punk Co2 Inflator - Small Images Uploaded - Ready for Review check your existing clamp toWhen punctures get you down, the PUNK will sort you out! Co2 inflators are perfect for rapid, trailside tire inflation. Stash the Granite Designs Punk in your ride pack and eliminate the worry of being stranded trailside. Who's this item for: Any riders full stop. If you aren't already carrying a mini pump we'd recommend a Co2 inflator to get you out those unfortunate puncture situations. What C02 canisters does it work on: The Punk will work with