Kogel Speed Kolossos Oversized Pulley Cage KOL-SPEED-GRX2X-R

- Offers the lowest friction possible while maintaining shift accuracy\n- Includes pulleys with ceramic balls, steel races and road seals\n- Long tooth profile on lower pulley for best chain retention\n- Same weight but even stiffer than the previous generation Kolossos for full gravel capability without compromising performance