Check the listing for details. microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Black. Color: Black, Condition: New. Listed at 12.95 USD. Powered by Frooition microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Black Item Description M21 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. Features:Robust composite and steel construction Compatible with Shimano 6- and 7-speed mountain and road systems Specifications:Color: Black Weight: 241 Drivetrain Speeds: 6Rear Der/Shifter Compatibility: Shimano Mountain Largest Cog: 32 Rear Derailleur Mount Type: 10x1 Standard Cage Length: Short Chain Wrap Capacity (teeth): 21 $12.95 241 g NEW microSHIFT Powered by Frooition Frooition Frooition | No-js Template | eBay design, eBay store design, eBay shop design, eBay template design, eBay listing design (ver:froo_no_js) This listing is currently undergoing maintenance, we apologise for any inconvenience caused.