Peaty's Holeshot CO2 Tyre Inflator Kit - Black Size:MTB (25g) If you are unsure

If you are unsure

Compatible with all 11-speed derailleur systems

from competitive racers to adventurous explorers

Material - High Modulus Carbon Fiber (T-800/ T-1000)

or derailleurs

Peaty's Holeshot CO2 Tyre Inflator Kit - Black Size:MTB (25g) If you are unsureEvery part of the Peaty's CO2 inflator kit have been agonised on from the straight line inflator head to the high quality CO2 cartridge sleeve. Features Unique, compact, straight line design for maximum airflow Simply push down to inflate and release to stop Closed base silicone freeze protector sleeve Made from 6061 aluminium Fits Presta valves only Mfr Claimed Weight TBC