I was hoping someone far more knowledgeable could tell me, the frame is currently being stripped so I can repaint it back it it's former glory so I cannot check.GT-Steve":38smhrve said:Possibly 29.4mm ?
GT-Steve":i2tow32q said:If it's a 1990 it's definitely 29.4 and I'm pretty sure (99%) this size carried into the 91/92 estay range..