Challenge Latex Tube 700 X 30/38c, 48mm Presta Valve Trainer Skewer SHIMANO ALIVIO M4000 Series

SHIMANO ALIVIO M4000 Series

It is loaded with Iron

With its neutral

Frame color: Retina Burn

Challenge Latex Tube 700 X 30/38c, 48mm Presta Valve Trainer Skewer SHIMANO ALIVIO M4000 SeriesDescription Latex inner tubes are far more supple than normal butyl tubes. They adapt quickly to the tire changing shape while cornering and rolling. The unique Challenge seamless latex inner tube saves more than 3 watts per wheel over a butyl inner tube according to German, Finnish, Belgian, Dutch, UK and Americal testing. Challenge produces the only seamless 'one piece' latex inner tubes on the market providing a smooth, balanced ride with no pucker