Shimano Dura-Ace RD-9100 Rear Derailleur

Shimano Dura-Ace RD-R9100 Rear Derailleur Shimano Dura-Ace RD-R9100-SS Rear Derailleur - 11 Speed, Short Cage, Black keyword search: GM24855V Color: Black Largest Cog: 30 Rear Derailleur Mount Type: 10x1 Standard , Shimano Rear Direct Mount Chain Wrap Cap