Shimano Derailleur Pulleys for Dura-Ace Di2 12-speed – 1 Pair

Shimano Dura- Ace 12-speed Derailleur Pulleys for the RD-R9250 Di2 rear derailleurThe Shimano Dura-Ace Di2 12-speed derailleur pulleys are only compatible with the RD-R9250 electronic rear derailleur. The set consists of an upper and lower pulley, each wit