1x Drivetrain

Mountain Bikes and Gear
How the 1X Drivetrain Changed It All, From Suspension to Dropper Posts and Tires
  9
Mountain Bikes and Gear
Between 2 Triangles: The MTB Tech That's Newly and No Longer Notable
  7
Drivetrain
Box Introduces an 8-speed Narrow Wide Chain Ring
  3
Mountain Bikes and Gear
Shimano's Brand New 12-speed Deore XT Mountain Bike Drivetrain, Tested
  19