microSHIFT M21 Rear Derailleur - 6,7 Speed

microSHIFT M21 Rear Derailleur - 6,7 Speed, Black

Specifications

• Color: Black
• Largest Cog: (Super short Cage) 32, (Short Cage) 34,  (Long Cage) 32
• Rear Derailleur Mount Type: 10x1 Standard
• Chain Wrap Capacity (teeth): (Super short Cage) 21, (Short Cage) 39,  (Long Cage) 43
• Rear Der/Shifter Compatibility: Shimano Mountain
• Cage Length: Short,Super short , Long
• Drivetrain Speeds: 6 , 7