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SB66C ISCG/BB mounting

876 views 1 reply 2 participants last post by  tangaroo 
#1 · (Edited)
I built up a SB66c recently and has a question about the iscg tabs.

I'm using a 2x10 crank with no guide and a clutch der - do I need to run a bb spacer between the shell and bb cup if I'm not using the ISCG adapter? My chain line is a bit off and i think it may be the culprit.

Thanks!
 
#2 ·
I'm building up an SB66c frame and has a question about the iscg tabs.

I'm using a 2x10 crank with no guide and a clutch der - do I need to run a bb spacer between the shell and bb cup if I'm not using the ISCG adapter?

Thanks!
Yes. The iscg adapter takes up the space for the spacer. Without the adapter and with just the "blank" you will need one spacer to make it 73mm.
 
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