Compatibility650x18 to 650x25 tyres and 650 wheels.
WaterproofHigh quality valve that retains pressure.
Information / Concept / Technology
Material: isobutylene. Weight: 103 g. Valve length: 40 mm.
Carry your inner tubes in a container that protects them from perforations (b'twin carry case, original packaging, etc.).
To find out the size of your wheels, check the inscriptions on the side of the tyre. Always have a spare inner tube and a pump.