Sram Gx Rear Derailleur Black 11s / Max 42t

Leveraging the legendary history of SRAM shifting, the GX 2x11 rear derailleur provides incredible shifting speed and precision.X-ACTUATION™ technology eliminates slop and shifting variation.ROLLER BEARING CLUTCH™ technology delivers maximum drivetrain stability™even through the most punishing terrain.And with CAGE LOCK™ technology, wheel removal and installation are easier than ever.Features:- X-HORIZON™ design reduces shift force, ghost shifting and chain slap - 12-tooth X-SYNC™ pulley wheels - Large upper pulley offset automatically adjusts chain gap - Sealed cartridge bearings - Aluminum Cage Specifications:- Speeds:11-speed - Material:Aluminum Cage - Weight:265g - Compatibility:1x11 X-ACTUATION™ - Bearings:Sealed cartridge bearings - Cage Sizes:Long - Pivot Design:Horizontal Parellelogram design - Max Tooth:42t - Pulleys:12-tooth X-SYNC™ pulley wheels - Technology Highlight(s):X-HORIZON™, X-ACTUATION™, X-SYNC™, ROLLER BEARING CLUTCH™, CAGE LOCK™ - Retail Availability:May 2015 Technology:CAGE LOCK™:With CAGE LOCK™ technology in the rear derailleur, wheel removal and installation™as well as chain installation™becomes faster and simpler.Just pushing the cage forward to create slack and lock it into place.ROLLER BEARING CLUTCH™:ROLLER BEARING CLUTCH™ rear derailleurs deliver maximum drivetrain stability™even through the most punishing terrain.With ROLLER BEARING CLUTCH™ technology, derailleur bounce and chain slap are eliminated without sacrificing precision.X-ACTUATION™:Developed specifically for SRAM 1X, X-ACTUATION keeps shifting sharp and consistent across the entire 10- to 42-tooth cassette.X-HORIZON™:The X-HORIZON™ rear derailleur™s ™straight parallelogram™ design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force.For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears.X-SYNC™:SRAM X-SYNC™ 1X chain rings provide the highest level of performance and durability.The SRAM X-SYNC™ tall square teeth edges engage the chain earlier than traditional triangle shaped teeth.The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain.To provide the best possible performance in muddy conditions, the X-SYNC™ chain rings have been designed with mud-clearing recesses for the inner chain links and rollers.Engineered in Germany, X-SYNC™ rings are an integral part of the SRAM 1X™ drivetrain.For 2x10V systems.- Compatible with cassettes 11-42T.