Shimano Oversized Derailleur Cage - GRX 2X and Ultegra RX800 __v9_bump For those who frequently tackle

For those who frequently tackle varied terrains

like Park Tool BBT-9 or similar

this oversized derailleur cage is built to optimize every watt

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

Shimano Oversized Derailleur Cage - GRX 2X and Ultegra RX800 __v9_bump For those who frequently tackleOversized 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