What is the chainline measurement (for the front chainrings) for a 9 speed
130mm dropout spacing Ultegra double drivetrain? How much deviation from
that is reasonable?
Thanks much
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What is the chainline measurement (for the front chainrings) for a 9 speed
130mm dropout spacing Ultegra double drivetrain? How much deviation from
that is reasonable?
Thanks much
J.V. said:What is the chainline measurement (for the front chainrings) for a 9 speed
130mm dropout spacing Ultegra double drivetrain? How much deviation from
that is reasonable?Thanks much
J.V. said:What is the chainline measurement (for the front chainrings) for a 9 speed
130mm dropout spacing Ultegra double drivetrain? How much deviation from
that is reasonable?Thanks much
http://www.sheldonbrown.com/bbsize.html#ultegra
Also, for many years the Shimano book has specified 43.5mm +/-1.5mm
for all double chain rings, except Dura-Ace, which is +/-1.1mm.
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