Shimano Oversized Derailleur Cage - GRX 2X and Ultegra RX800 __v9_bump like Park Tool BBT-9 or

like Park Tool BBT-9 or similar

perfect for handling the varied stresses encountered during off-road rides or daily commutes

cross bearings off road use or if you frequently ride on wet roads

Rotor 30mm

PF30A is an asymmetric bottom bracket found on Cannondale carbon frames: SuperSix Evo

Shimano Oversized Derailleur Cage - GRX 2X and Ultegra RX800 __v9_bump like Park Tool BBT-9 orOversized ceramic pulley systems are an excellent way of reducing the additional friction caused by clutch derailleurs. Kolossos is the Greek word for a statue, much larger than the original subject. Seems fitting for an oversized derailleur cage. Imagine the performance of replacing your stock pulleys with a ceramic 12 tooth top pulley and a 19 tooth bottom pulley built on the stiffest cage on the market. Besides reduced friction, this cage is built