Shimano ACERA RDM360 RDER 8S BLACK

tyle: Road
Rear Derailleur Mount Type: Shimano Rear Direct Mount
Rear Der/Shifter Compatibility: Shimano Mountain
Drivetrain Speeds: 8
Cage Length: Long
Drivetrain Speeds: 7
Chain Wrap Capacity (teeth): 43
Color: Black
Weight: 340
Largest Cog: 34