Originally Posted by
Pinyon
Another thing to make sure of is the frame spacing in the rear where the wheel drops-out. Lots of Japanese bikes in this era were built for rear hub axles that were 126mm - 129mm wide. Modern hubs are 135mm....
Modern road hubs are 130. Mountain and some cyclocross hubs are 135.
If your bike has indexed shifting, it won't work unless you get a 7 speed cassette and a spacer.
There's lots of great 27" tires available and they are not so ephemeral that you need to worry about having a constant supply within arms' reach. The Nashbar primas are pretty quick. So are panaracer paselas. Performance forte's are more like the tanklike walmart tires.