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Important Fitment Notes**
This difference in width falls well into the adjustment range of any crankset
cross bearings for mountain bikes and cyclocross
Typically the chain stay hole on steel and titanium frames
Kolossos ST Oversized Derailleur Cage - 11 and 12 speed Dura Ace and Ultegra CANNONDALE Important Fitment Notes**Kolossos, derived from the Greek word for a statue much larger than its original subject, aptly describes this oversized derailleur cage. By replacing your stock pulleys with a ceramic 12 tooth top pulley and a 19 tooth bottom pulley, both mounted on the stiffest cage available, you can achieve reduced friction, improved shifting accuracy, and enhanced chain retention. Designed for World Tour victories, Kolossos ensures maximum drivetrain efficiency,
