Kolossos ST Oversized Derailleur Cage - 11 and 12 Speed 105 BOTTOM BRACKETS Choose road seals for road

Choose road seals for road use and cross seals if you plan to go off-roading or frequently ride on wet roads

use a 16 notch tool with an internal diameter of 42

Not sure which caliper you have

more reliable shifts under load and a drivetrain that spins smoother and lasts longer

The SRAM DUB system is known for its durability and improved stiffness

Kolossos ST Oversized Derailleur Cage - 11 and 12 Speed 105 BOTTOM BRACKETS Choose road seals for roadKolossos, derived from the Greek word for a statue much larger than its original subject, aptly describes this oversized derailleur cage. Replacing your stock pulleys with a ceramic 12 tooth top pulley and a 19 tooth bottom pulley, built on the stiffest cage available, enhances performance by reducing friction and improving shifting accuracy. This design also emphasizes gravel worthiness and chain retention. The Kolossos ST model offers the same