Shimano 105 RD-5800-GS 11-Speed Rear Derailleur Pulley Set Tubeless Tires the Venti adds a forged

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

it eliminates bounce and keeps the pack locked to your back through the roughest terrain

the PC-951 hits the mark

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

and no tools required

Shimano 105 RD-5800-GS 11-Speed Rear Derailleur Pulley Set Tubeless Tires the Venti adds a forgedDoes 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