Hi Stephen, I’m restoring my 1939 WM20 - did you find out what the knob was? Mines been civilianised and do I’m slowly taking it back. Think I’m going to go with ‘newer’ rear mudguard - as I believe the originals are rarer than hens teeth

email (option): S.morganclare@btinternet.com

Hi Seb,

If you go to the tech section, there's a guide. Here's the link.

http://www.wdbsa.nl/bsatoolbox1.pdf

Dave

email (option): jeepfinger@blueyonder.co.uk

Hi seb
There is an original rear valence guard on eBay

It’s in Greece & looks in good order for age

Br
Jo’b

email (option): jonnyob1@googlemail.com

https://pesltd.uk/?product=29-9132

Mark

email (option): pes.sales@btconnect.com

Damn Missed it

email (option): s.morganclare@btinternet.com