Shimano Ultegra RD-6800 11-Speed Rear Derailleur Pulley Set: Version 2 Clipless Pedals a patented 4-point performance suspension

a patented 4-point performance suspension system

The shortened shafts allow access to recessed or close-clearance bolts while the chrome vanadium steel construction ensures the same durability and precision fit you'd expect from full-size Park Tool hex keys

the performance gains are worth it

Built with aluminum cogs and running on unlubricated full ceramic bearings that shed water and resist contamination

The rimless design eliminates weight and peripheral obstruction while maintaining the structural integrity you need at race pace

Shimano Ultegra RD-6800 11-Speed Rear Derailleur Pulley Set: Version 2 Clipless Pedals a patented 4-point performance suspensionDoes the Shimano Ultegra RD 6800 Pulley Set Restore Your 11 Speed Shifting? The Shimano Ultegra RD 6800 Version 2 pulley set is the OEM replacement for both the guide and tension pulleys in the RD 6800 11 speed rear derailleur, featuring the Version 2 upgrade of sealed bearings in both pulley wheels for quieter chain operation and longer service intervals between replacements. When worn pulleys introduce chain rattle, hesitation across the cassette,