I am building up a rear british hub with 6 hole fixing but it has a 520 sprocket and I want to change to 530 to match gearbox on a BSA A7.
you Grumph lads must have had this problem so how dod you deal with it ??
thanks in advance
steve
you Grumph lads must have had this problem so how dod you deal with it ??
thanks in advance
steve
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