Well Known and Active Website User
I see that the singles had 530 chains but the twins only 520 so I'm guessing that width is limited. Has anyone done it?
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Or make the ring up from Toolox 44 at 45HRc just normally workable on a lathe, is it available on the other side of the pond?I put a 520 O ring on mine. Not a big issue for width. I have had rings made from SAE 8620 steel and case hardened .020 deep with a 2.500 bore in 18, 19, 21, and 22T. I can then take an original counter shaft sprocket and re ring the splined hub. Both my A twin and the TTR (and my post war bikes) have been done this way. There are some of these sprockets with a documented 20,000 miles on them. I think I could even put a big fat 530 O ring in there and not touch anything.
Bill, It might sound a bit bizarre, but have you tried putting the bike on the rear stand and fitting an old worn-out length of 530 chain to establish what/where clearance issues you might have? Some rag or maybe rubber wedged to one side - and then the other - against the sprockets will move the chain over each way while you rotate the rear wheel by hand....