The Airstop Butyl tubes are an economical long lasting tube, with good puncture resistance. 0.9mm wall thickness for optimum puncture protection and also the butyl tubes provide better resistance to friction caused by spokes and old rim tape.
ETRTO 25/32 – 622/635
Valve: Presta (French) and Schrader (Standard)
40mm (Presta) or 34mm (Schrader)
Weight: 166-168g (approx)
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