Vredestein Latex Ultralight 700c x 20-25 Road Tube
Here's one of the least expensive performance upgrades you can treat your road bike to, and a rare case of getting more than you pay for. Latex tubes reduce rotational weight and rolling resistance, enhance the suppleness of your ride and resist punctures better than butyl rubber tubes. Incredibly upple and responsive ride (think tubular) Low rotational weight Durable, seamless latex construction 50mm valve stem is compatible with deep profile wheels