SporTube Tube Options:SporTube Tube - 700 x 32 - 40mm, 48mm Presta Valve The progressively deepening relief channel

The progressively deepening relief channel is complimented by a proper cut-out at the deepest spot

Made with reliable materials so you will enjoy seamless power transfer on even the steepest climbs

INCREDIBLY CAPABLE: If the Enduro looks like its sibling

will power ON in the last mode used

SporTube Tube Options:SporTube Tube - 700 x 32 - 40mm, 48mm Presta Valve The progressively deepening relief channelThe SporTube is the most classic cycling butyl inner tube; the standard interpretation of the most used air retention system in the world. A complete range offers the size and specification for every kind of cyclist and discipline, from road cycling to urban commuting. Butyl construction Disc and rim brake compatible Black valve stem