Part location: Front & back drive shaft.
This product includes :
CVD 4pcs
4x2.5x17 Screw Pin 4pcs
Major options that come with upgrading to this part/product :
1. The appearance has upgraded from cross mind design to CVD swing joint for lots more effective energy transmission.
2. Harden steel joint with alloy 6061 T6 human body combination become more powerful and more powerful but protect light in fat.
3. Adjustable design with better suspension and durability.