6mm diameter and need to replace your air cartridge then this is what you need

Their proven race-ratchet closure system allows for quick and easy adjustments to provide the perfect fit

Two available volume sizes: 100cc high volume - 160g

Use a sponge to wipe surfaces and clean

Pump head type: An extendable hose with SmartHead ThreadLock fills Presta and Schrader valves with ease and helps take the stress off the valve stem when filling the tyre

Quadlock iPhone Bike Case - Black - 16 6.1" PLP|Colour 6mm diameter and need toQuad Lock Cases feature their secure locking mechanism compatible with all twist, lock mounts, impact resistant edge to edge cover, and protective lining. With a tough, polycarbonate core and impact absorbing TPU edge to edge outer shell, you can be confident that your iPhone will be protected every day. The slim profile and soft touch material make it perfect for everyday use. Quad Lock MAG Cases are thinner and flatter with a customisable MAG Ring.