12spd

Mountain Bikes and Gear
Shimano's Brand New 12-speed Deore XT Mountain Bike Drivetrain, Tested
  19
Brakes
Shimano Announces More Affordable 12-speed Compatible Hubs, 4-Piston Brakes, Rotor
  2
Drivetrain
Upgrade Your SRAM 11-Speed Drivetrain To 12 Gears With A Kit From E*Thirteen
  3
Mountain Bikes and Gear
Shimano Announces 1x12 drivetrain With New XTR Line
  5
Culture
SRAM Releases New Eagle 1x12 Drivetrains in XX1 and X01 Lines
  12