Originally Posted by
cmdr
I'm getting ready to put 9-speed DA on my 80's Miyata. Has anyone used the Sheldon Brown method for re-spacing the rear drop-outs?
I use two10mm threaded bolts big washers and six nuts and a centre tube made from 1/2 inch copper plumbing.
To make the tube strong enough I cut another tube to the same length then slit so it sits inside the first tube
Tighening the nuts expands the overall length. I go about half as much again to allow for springing back.
Its one job that has to be done slow and careful.