I haven't done this mod to my M20....but I have done it to my 1951 B33...

I used a swinging arm 'crinkle hub' wheel whilst retaining the original brake plate and manufactured the spindle, wheel adjustment cams (2 on the B33) and spacers etc. to suit...

That set up has been running on the bike for about 20-25 years...

It's got the small 'conical hub' front wheel off a B50 as well!..

In 2018 I will have had the bike 40 years...Where did that go?...Ian

email (option): ian@wright52.plus.com

Peter, your modification may work (or not!) but wouldn't it be easier to find the right good parts and put it back together ?

Mick, thanks for your response. The reality is that living in Johannesburg, South Africa, we have a dysfunctional postal service, few specialist services and a weak currency. I could order from Draganfly, using courier services to deliver, but this would be at a significant cost. For a relatively small cost, about 10% of new parts route, I can make up the parts needed, using deep groove ball bearings. The old parts are not totally unusable so I will keep them for when my bike goes to the museum, but since I plan to use the M20 for regularity rallying, I want something simple, straight forward, robust and reliable.

email (option): pvlietstra at gmail.com