microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black MPFN-DMR-G-BREN2-THICK-GU }GD1 Evo Slim factory are

}GD1 Evo Slim factory are gravity specific grips with a tapered shape offering more damping in the outer area with slim inner diameter

5 Defined Color Black Drivetrain Speeds 12 Number of Chainrings Double Pedal Spindle 9/16" Rings 52/36 Spindle Interface Type Shimano Hollowtech II

Relfective details at hip and sleeve opening

We gave it a geometry that features a slacker front end

microSHIFT M21 Rear Derailleur - 6/7 Speed Long Cage Black MPFN-DMR-G-BREN2-THICK-GU }GD1 Evo Slim factory areM21 rear derailleurs are designed to work with 6 and 7 speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. Robust composite and steel construction Compatible with Shimano 6 and 7 speed mountain and road systems Largest Cog 32 Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 7 Chain Wrap Capacity (teeth) 43 Cage Length Long