Product details:

Professional grade derailleur built with carbon fiber and aluminum, featuring roller clutch pulley cage and cage lock feature for easy wheel installation. Features-Wide-tooth, narrow-tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly-Cage Lock feature simplifies wheel removal and chain installation-X-Horizon design maintains constant chain gap across all gears and eliminates ghost shifting-Must be used with SRAM 1x11 shifter and cassette-Roller bearing clutch eliminates derailleur bounce and chain slap-Cannot be used with double or triple chainrings Item Specifications-Color:Black-Weight:220-Largest Cog:42-Chain Wrap Capacity:32-Cage Length:Medium-keyword search:1x11-Drivetrain Speeds:11-Rear Der/Shifter Compatibility:SRAM X-Actuation-Rear Derailleur Mount Type:10x1 Standard
Features:SRAM XX1 Type 2.1 11-speed X-Horizon Rear Derailleur with Black Logo
Brand:SRAM
Manufacturer Part Number:00.7518.061.001
Manufacturer:SRAM
Assembled Product Weight:0.89 lb
Assembled Product Dimensions (L x W x H):10.00 x 8.00 x 2.00 Inches