Tech Forums > SOHC/4 Bikes

can anyone find 530 conversion FRONT sprockets?

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wornknobby3:
hey guys, havn't been on here in a long time, well i got the 78 cb750k back out and i'm ready to finish the old girl. now i was looking into getting some new sprockets and a chain, and i saw the 530 conversion sprockets on dennisk kirk, but they only have them for the rear, the fronts are all for 630 chains. where could i find a 530 front does anyone know?

i mean besides weight, would there really be any advantage to chaging chain size or should i just take the easy route and order the 630 set-up?

754:
Buy a 76 and earlier front CB 750 sprocket..

GammaFlat:
the front sprocket from a '76 and prior won't fit a '77 or '78.  Here's a nice discussion:

http://forums.sohc4.net/index.php?topic=26211.0


.....and I'm interested in doing the same thing.  I have a '77 I'd like to put a 530 on and in the above link, Eldar has done it!

754:
I did one back in the 80's, took me a while to realize the sprockets were not in line. use the 77/78 rear carrier and a 530 should bolt on.. just the front cant use the locking tab..

GammaFlat:
The sprockets are apparently quite different. 

Here's a '76 front (530):



and here's a '77 front (630):

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