Spondon callipers

Posted by Molar on Jan 06, 2017; 6:37pm
URL: http://silk-motorcycles.221.s1.nabble.com/Spondon-callipers-tp5001606.html

Happy New Year members. Where can I get new rubber "O" rings for the slider bolts in the  Spondon callipers fitted to my 1978 Silk, or what size should they be on the inside and outside diameter?
Ride safely, Molar.