Buyers Guide
- Size
- You'll need to make sure you get a tube that fits your current tyre. Our tubes are listed as:
[diameter] x [minimum width] - [maximum width]
The sizes can get a bit complicated if you go into the true sizes of the ISO codes (try here on Wikipedia) but all you need to do is check your current wheel/tyre for its size, and get a diameter & width that matches. If you're not sure, or have any questions, plese use the contact us page and we'll get back to you ASAP! - Valve Types
- We stock two valve types: Presta and Schrader. Schrader valves have a larger diameter, which means that a larger hole is required in the wheel for the valve to fit through. As a larger hole in the wheel can reduce it's strength, thinner wheels (usually found on road/racing bikes) will have a smaller hole drilled and so will fit only Presta valves. Schrader valves can also allow a small amount of air to escape when the pump is removed from the valve, so high pressure tyres will generally use Presta valves. Presta valves can be a bit more fiddly though, and if you want to use a standard car pump you'll need to get an adapter. You're best checking what's currently in your wheel, and getting the same valve.



