What mechanically would need to be done to my bike to switch from a comact double to a standard double?
Current: Shimano Ultergra SL 50/34
Considering: Shimano Ultergra 6700 or DuraAce 7900 53/39
Current cassette Shimano Ultergra 12-25.
FWIW...
One lbs wrench went on something about it couldn't be done without getting a whole new crank set, something about "bolt pattern compatibilty" of the rings etc. A differnt lbs wrench thouhgt I could just switch my 50/34 rings to 53/39... but something about adjustments (to the front derailer I assume) and longer chain. Um okay, boys... (mechanical help at the lbs makes my head hurt usually, gheez lol)
So... I decided to come to my expertbike friends here on TE for help
.
TYIA
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05-29-2011, 10:23 AM #1
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switching compact to standard double
Last edited by Miranda; 05-29-2011 at 10:26 AM.
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