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crank + bottom bracket compatability(2 posts)

crank + bottom bracket compatabilitybiker83
Dec 27, 2003 7:32 AM
Can I use a triple crankset on a BB designed for double cranksets if I take the small ring off the crank and use it as a double? (it is an ultegra BB and a tiagra crank, for cyclocross/beater bike)
re: crank + bottom bracket compatabilityRusty Coggs
Dec 27, 2003 9:56 AM
The trigra crank uses a tapered spindle,and the current ultegra 9 speed BB is splined. The answer, is generally yes if the BB is compatible and the right length to give correct chainline.