Easton EC70 AX Drop Handlebar - Carbon, 31.8mm, 42cm, BlackEC70 AX Drop Handlebar Product Details: Di2 compatible with the right shifter for 1x drivetrain setups Maximum Contact Drop (MCD) is technology that packs comfort into the drops of these bars for increased wrist clearance while sprinting, and increased palm contact to eliminate point loading that may cause hand fatigue Weight shown is for 42cm handlebar Width at drops is 68mm wider than width at hoods Specifications: Accessory Mount Diameter: 31. 8