Shimano Ultegra RD-R8150 Bracket Axle Unit For Normal Type
For use with Ultegra RD-R8150 12 speed rear derailleur only Type Rear Derailleur Spare Parts Brand Shimano MPN Y3J198020 UPC 192790229379 Part Type Bicycle part .
Himano Ultralegra RD-R8150 Rear Drag Hook
Shimano RD-R8150 Ultegra Di2 Rear Derailleur Bracket Axle Unit [Y3J198020]
Rear Derailleur Compatibility: Shimano RD-R8150 Ultegra Di2 | Shimano RD-RX825 GRX Di2. Includes the bracket, the bolt that goes into the derailleur hanger, and the B-Axle bolt that attaches the bracket to the rear derailleur body.