Home » Keyword: "bicycle tyres"

Bicycle tubes – valve and tube types explained

Bicycle tyre inner tube - types, sizes, valve types (dunlop, presta schrader/auto)...

Updated: 27/03/2021. Most bicycles, except some tubeless models, use tubes in their tyres. Tubes are used to hold the air in, of course, while the (outer) tyre is responsible for firmness and grip with surface. This post will explain important things concerning bicycle tubes, including: dimensions (sizes), valve types (schrader, presta, dunlop…), valve lengths etc. … Read more