Drive chain

modelman · Post by **modelman** » Wed Oct 25, 2017 1:43 pm

I have just got my second old junker to restore, a 64 (I think ) CA77.
Its missing a few bits, the chain being the one thats got me wondering, I found somewhere on this forum a 503 being mentioned, but looking at the parts manual, it mentions a 525 x 96 links, can someone tell which is correct please.

modelman · Post by **modelman** » Wed Oct 25, 2017 3:42 pm

Oops, re-above, I should have said 530 NOT 503!!

LOUD MOUSE · Post by **LOUD MOUSE** » Wed Oct 25, 2017 4:24 pm

Don't hold me to it but I think that bike came with a 525 chain. .....................lm

modelman wrote:Oops, re-above, I should have said 530 NOT 503!!

modelman · Post by **modelman** » Thu Oct 26, 2017 2:03 am

Many thanks.

Steomixs · Post by **Steomixs** » Sun Feb 04, 2018 10:56 pm

This is something that can help us a lot in the discussion within this thread.

DJM · Post by **DJM** » Mon Feb 05, 2018 10:07 am

Never had a CA model but I'm sure LM is correct. Years back I used to race a CB77 and used 520 chain which needed the sprockets thinning down. I used a CA sprocket (16T) which needed less thinning than the 530 CB72/77 sprockets so must have been 525

pemdoc65 · Post by **pemdoc65** » Tue Feb 06, 2018 9:55 am

My '64 CA77 has a 525 chain.

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