172.5mm please - may also consider 52 / 36, or just chainrings.
Might also think about 5800 series or other shimano compatible cranksets if easier / cheaper...
Cheers
Andy
@andyfallsoff started
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172.5mm please - may also consider 52 / 36, or just chainrings.
Might also think about 5800 series or other shimano compatible cranksets if easier / cheaper...
Cheers
Andy