The design has upgraded from cross head design to CVD swing joint for stronger power transmission.
Harden steel joint with alloy 6061-T6 body combination to be stronger and more powerful but maintain light in weight.
Adjustable design with better suspension and durability.
The position and design of the hex adapter is upgarded to a claw position, the pinhole is removed, so that the head of the driveshaft becomes more solid. The hex can now claw onto the wheels tightly and firmly.
