Shimano 105 RD-5800-GS 11-Speed Rear Derailleur Pulley Set Tubeless Tires Always use a torque wrench

Always use a torque wrench and follow the caliper manufacturer's specified torque value

the PC-951 hits the mark

the Venti adds a forged chain breaker for 10-12 speed chains

joined by a T25 Torx for saddle rails and brake calipers

The all-year road tire built for high-mileage riders who don't quit

Shimano 105 RD-5800-GS 11-Speed Rear Derailleur Pulley Set Tubeless Tires Always use a torque wrenchDoes the Shimano 105 RD 5800 Pulley Set Restore Your 11 Speed Road Shifting? The Shimano 105 RD 5800 GS pulley set is the OEM replacement for both the guide and tension pulleys in the 105 RD 5800 GS 11 speed road rear derailleur, with an upper guide pulley featuring enlarged teeth for improved chain control and more precise lateral chain guidance across the cassette. The nylon body construction with metal bushings keeps friction low and operation