Zefal 4250D Co2 Threaded Cartridges, 25g (Pack of 2), White

Good compromise between weight and capacity The Co2 cartridges are designed to inflate quickly a tire to a high pressure Suitable for larger volume tyres such as gravel and mountain bikes Compatible with Zefal Co2 pumps as well as most Inflators on the market Typical inflation - * Road 700 x 23C - 2 x tyres 90psi * MTB 26" X 1.95 - 2 x tyres 30psi * 29er 29" X 2.1 - 2 x tyres 23psi