Handbook number: A2
This product includes :
Stainless metal Round Head Screw 3x8-4pcs
Product major function & use:
Stabilize the wheel bones on both edges of back axle to make sure a smooth run.
1. Back axle and wheel joint areas are generally at the mercy of various kinds of effect, this component is done with a great light-weight high tensile energy aluminum 6061 T6 for stable performance with great durability.
2. Precise measurements to minimize the location at bearing meaning that back wheel bones can turn efficiently.