Zefal Co2 Threaded Cartridges 6 Pack – 16g

Zefal Co2 Threaded Cartridges 6 Pack – 16g Zefal replacement 16g threaded Co2 cartridges. Typical inflation ROAD 700 x 23C – 130psi / 9 bar MTB 26″ x 1.95 – 40psi / 2.7 bar 29ER 29″ x 2.1 – 31psi / 2.1 bar