This is a pair of Kogel oversized pulley wheels with Hybrid Ceramic Bearings.
- Lightweight, smooth, and fast rolling aluminum derailleur pulleys with hybrid ceramic bearings
- Feature Grade 3, ABEC 5 hybrid ceramic bearings
- CNC'd aluminum pulley wheels with blue anodized dust covers
- Oversize pulleys fit Shimano R9100 (Dura Ace), R8000 (Ultegra), R7000 (105) series, and SRAM Wifli derailleurs only. These are the largest pulleys that can fit without changing the cage to keep great shifting accuracy with the low friction benefits of oversized pulleys
- Select cross bearings for offroad or frequent use in dusty conditions and inclement weather. Select road bearings for the lowest possible friction