Amazon.com : BIKECO 11 Speed MTB Front Derailleur Group Set 4 Kits 1 x 11 Speed Right Gear Lever, Rear Derailleur, 11-42/46/50T Cassette and Bicycle Chain for 11 Speed Mountain Bike Shift
Tested: Shimano Deore XT 1x11 Mountain Bike Drivetrain | Bicycling