Shimano Derailleur Pulleys for Ultegra 11-speed – 1 Pair

The Shimano derailleur pulleys for Ultegra 6800 11-speed rear derailleursThese Shimano derailleur pulleys (idler and tensioner) have a sealed precision bearing that contributes to a low-friction drivetrain. They are compatible with the Ultegra 11-speed mec