Hello all,
I have a 69 Commando and I would like to use a 520 o-ring chain on it. I am new to this bike but from what info I have gathered I think there is an earlier model that uses a 520 chain and 1/4 inch sprockets. Does anyone have the correct part number for that front sprocket?
Thanks for the help
William
#1 here: https://andover…
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Modern chains
If you want a "modern" chain (i.e. one with O- or X-ring seals) you will certainly need a ¼-inch chain.
Holland Norton Works offers a complete kit: https://www.hollandnortonworks.eu/en/exclusive-commando-parts
X-ring chain set #H21
Complete chain set includes D.I.D. 520 (5/8*1/4") X-ring chain, gearbox sprocket (please state your required number of teeth) and rear sprocket with sealed double row ball-bearing. Longer mileage, less maintenance. Direct replacement, no modifications required. Available for Commando pre MK3 with drum brake (#H21) Price EUR 320,00
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#1 here:
https://andover-norton.co.uk/en/shop-drawing/516/gearbox
RGM have other tooth counts available.