The Continental GP 4 Season is simply the best tyre for winter road riding. Excellent puncture protection and a grippy rubber compound. Best use the 25c version.
Top quality Continental road inner tubes for 20-25c tyres, available with a standard 42mm Presta valve for most alloy wheels or a 60mm Presta valve for rims up to 52mm in depth, negating the need for a valve extender.
