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While SRAM is well known for their componentry, they also make accessories. These 16 gram CO₂ Threaded Refills are sold as singles. Each cartridge has enough CO₂ to inflate a 700c x 23mm tire to roughly 100psi. On the trail, one 16g cartridge will inflate a typical 26in mountain bike tire to roughly 40psi. We generally like to ride with a couple cartridges for added insurance against unforeseen events, like double punctures. Or you may need to loan one to a friend in need.

Please Note: Per UPS regulations, ORM-D items such as this must ship via surface transport: UPS Ground or UPS Standard (Canada). We are unable to ship ORM-D items Internationally, or to Alaska, Hawaii or Puerto Rico.

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Works as expected

  • Familiarity:I've used it several times

These cartridges work great with my CO2 pump. It fills up a 26" tube without any issue. Might wanna w/ a bigger cartridge for a 29" as there isntt really any extra air after filling up a 26".