Quote:
Originally Posted by GregL
I believe that the Ultegra 6400/600 cranks used a 113mm spindle for 68mm BB shells or a 115mm spindle for 70mm shells. Shimano makes the UN55 square taper bottom bracket in 73x113mm. That may work for you.
Greg |
Concur...BUT..disc brakes(wider rear dropouts) and perhaps fatter chainstays..the 113mm 'may' not be wide enough...AND, if you do need a 118/122/etc..you 'may' have issues with front der having enough travel to get the chain to the big ring...
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Last edited by oldpotatoe; 09-17-2019 at 09:32 AM.
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