Kolossos ST Oversized Derailleur Cage - 11 and 12 speed Dura Ace and Ultegra CANNONDALE This bottom bracket fits a

This bottom bracket fits a Sram GXP crank on a classic Italian threaded road frame

cross bearings for mountain bikes and cyclocross

The guide centers the tool in the frame so everything stays lined up straight

Important Fitment Notes**

Typically the chain stay hole on steel and titanium frames

Kolossos ST Oversized Derailleur Cage - 11 and 12 speed Dura Ace and Ultegra CANNONDALE This bottom bracket fits aKolossos, 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,