Drive chain length

R

RJS

New member
Location
Canada
My bike, a 1973 SF1, (in parts) didn’t come with a drive chain. I have a new chain, a 530, of 110 pitches (rollers). I have new standard sprockets - 19 and 40 teeth. The green book states that the number of chain pitches should be 106. Before I cut my chain, I thought I should check to make sure that is the correct number. Thanks.
 
fit it to the bike and do the cut with the chain insitu, use a 4.5" grinder to polish the heads off 2 rivets, knock off the excess and bob's your uncle, this assumes you do not have a chain breaker, much easier and no swarf to deal with.
CLEM
 
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Paul is of course correct though, any dealer should be able to supply in the correct length, if he can't he is not much of a dealer, but much cheaper to buy your chain wholesale and adjust the length yourself, makes buying a chainbreaker worth it's weight in SFC con rods.
CLEM
 
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