Speed System Cage - Shimano 8100 & 9200 12SP

Discover the next level of drivetrain performance with the Speed System, utilizing a powerful 14-Tooth / 18-Tooth pulley wheel combination that leaves competitors behind. Enjoy reduced friction without sacrificing durability, shifting performance, or style. Our SLF Motion Oversize Systems stand out with cages crafted from 100% real carbon fiber, Made in the USA, and feature unique coated bearings for unrivaled durability and performance. Upgrade your drivetrain today with the SLF Motion Speed System, proudly designed, tested, and hand-built in Pawnee, Illinois, USA.