Originally Posted by
T 20
Now I wouldn't bother with the adaptor on the leather sealed piston to convert to a synthetic seal for three good reasons.
1) John Knibbs is knocking out synthetic Pistons complete with seal at £30.
2) The adaptor adds 27grams to an already heavy piston.
3) The adaptor reduces the already short stroke of the leather sealed piston by another 4mm.