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Designed exclusively for the Kolossos Oversized Derailleur Cage
A BB30 set up is hard on bearings due to the narrow spacing between the bearings
The custom-machined cage and oversized ceramic pulleys keep friction to an absolute minimum
BB30A is an asymmetric bottom bracket found on older Cannondale frames: Synapse
Oversized Derailleur Pulleys for Shimano Ultegra R8100 - Full Ceramic - 12/14T cranktype-Campagnolo Designed exclusively for the KolossosWant to run that oversized pulley look, but without rebuilding your derailleur? These pulleys fit on your stock cage. Oversized pulleys fit the latest generation of Shimano derailleurs: Dura Ace R9100, Ultegra R8000 R8100 and 105 R7000. By using the standard cage on your Shimano derailleur, you will feel the benefits of reduced articulation in the chain, while retaining accurate shifting. Something that has been a negative side effect of many large
US$ 84.00
US$ 52.50
US$ 80.50
