Originally Posted by
Grand Bois
Presta valves do not necessarily indicate 700c. The same tubes are used for 27".
No doubt but I've never had a 27 inch wheel with the small hole for a Presta Valve. I am sure they exist I just haven't come across one in my limited experience. BTW these are in fact 700c by 20 tires on this bicycle. Will post pictures tonight of the dump find Jubilee sport