Multipack Vittoria Standard Butyl Inner Tubes 18" S3-Cat-HelmetsGoggles&Eyewear-TifosiSunglasses You can combine them for

You can combine them for even longer straps

even when wearing winter gloves

Made from durable ASA plastic for high wear and weather resistance

Weight 480g

Proven Quarq reliability and accuracy

Multipack Vittoria Standard Butyl Inner Tubes 18" S3-Cat-HelmetsGoggles&Eyewear-TifosiSunglasses You can combine them forEach multipack contains 4 tubes. Each tube individually packed. General purpose butyl inner tubes for everyday use. Standard inner tubes are made with high quality synthetic rubber with a wall thickness of 0. 9 mm. Standard tubes offer good puncture resistance and a solid airtight performance in every instance. 18x1. 5 1. 75 48mm Shrader valve. 113g