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Re: Early BSA transmission ratio analysis

I found a BSA wd type gearbox at the original George Yeomans Emporium at Drayton Mill in around 1977 marked MCR and upon inspection it did indeed have the Medium Close Ratio gear cluster. I bought the gearbox and the MCR ratios are now in my M.21.

email (option): keithchandler@clistandchandler.co.uk

Re: Early BSA transmission ratio analysis

Keith,im wondering if you found an M22 or M23 box?

email (option): fuzzyempire@hotmail.com

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