Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black Black EA Rear Derailleur

IRDR7150E Shimano Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black Rear Derailleur EA Black Largest Cog 36 Rear Der/Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type Shimano Rear Direct Mount Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Chain Wrap Capacity (teeth) 41 Color Black Weight 302