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Hi all
I'm trying to work out what size bottom brkt to fit to get best chain line on my Singular Hummingbird .
Rear hub is a DMR Revolver with a white ind freewheel . Hub width is 135mm , measuring from inside face of rear triangle to center of freewheel sprocket is 13.5mm giving a chain line of 54mm , am I correct ?
Bottom brkt will be square taper to take Middleburn UNO , shell width is 68mm.
How is the bottom bracket lengh worked out to give a good line ?
Cheers Roland
Posted : 01/08/2013 3:39 pm