31-05-2020, 05:40 AM
(This post was last modified: 31-05-2020, 07:29 AM by Bob Culver.)
If I have got it correct, the tripod thingy must be removable but tensioned against the wheel centre, yet seems to be just twisted wire. All has to be accurately centred, repeatable and secure to obtain and retain balance, hence the drilling. At 100 mph in a Seven would have enough else to worry about without a disc possibly flailing loose.