The Shimano derailleur pulleys for 105 RD-5800-GS 11-speed rear derailleurs
These Shimano derailleur pulleys are specially designed for the 105 RD-5800 11-speed rear derailleur with GS cage. Idler pulley and jockey pulley each have 11 teeth.
Technical Information:
Teeth: 11 Gearing (max.): 11 Bearings: none Performance Indicator: Select (level 1 out of 3)