Some postcodes in the Highlands, islands, and Northern Ireland are despatched with Hermes on a 3-5 working day economy service.

4.10/3.50-4 Inner Tube Bent Valve 410/350-4 Innertube Petrol 4.10/3.50-4 Inner Tube Bent Valve 410/350-4 Innertube Petrol

Although most items are delivered on time please allow extra time for bank holidays and strike action. To qualify for a refund all goods must be unused and in a saleable condition, this means not fitted, not damaged and not used in any way.

For small rims such as a 4" rim where access to the valve is restricted and therefor hard to attach an airline for inflation the bent valve is used. Because inner tubes are very flexible they can fit a range of tyre sizes, expecially larger inner tubes. This tyre comes complete with a inner tube which has a TR87 bent metal valve or TR13 straight valve. The size of the tyre is often written on the sidewall, and a inner tube to fit this size range is required. This guide gives a basic description and purpose of the most common types of inner and valve shapes.