job done.trout wrestler.the spacer is plastic, it,s the bootom out that is rubber.
dead simple to do,the spacer is actualy 37mm as it has a revolving top cap to it so i removed the lot,full oils change.15w-5w high performance race bike spec.all new o rings,neoprene from highend blumbers merchants,bought a load for £2.total cost of full service £16.i.m made up.first time i,ve done it and is a piece of piss,mind you i,ll blow my own trumpet a i have race prepared a ford kent engine before now.god i,m good he he (self apreciation society).i ,ll now remake the spacer out of ti,probebly do a couple to take the travel to exactly 120mm as now they are at 137mm.jobs a gooden.