Hi Swin, I have 3 GRs and I'm just getting ready to crawl into bed for the nite. I'll measure each of them in the a.m. and post then.
Originally Posted by
swin1
Thanks for the response motogeek, I will try a 26.2mm seatpost next. Out of curiosity what is the chainstay length on your Grand Record frame? Does it have 27" wheels and is the seat tube shorter than the top tube? I'm aware they changed the tubing in the late 70s but am curious if the geometry remains the same.