SporTube Tube Options:SporTube Tube - 700 x 32 - 40mm, 48mm Presta Valve Low profile design for comfort

Low profile design for comfort off of the bike or when worn with jeans

Believe it

Quick and easy to apply

Exquisitely machined from 7075-AL

Waist adjustment tab ensures that the fit is easily customizable and dialed-in

SporTube Tube Options:SporTube Tube - 700 x 32 - 40mm, 48mm Presta Valve Low profile design for comfortThe 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