Spring Steel Rear Axle Shaft (4pc Set) - Black

Manual number: 8230（8231）+8259 Product major function & usage: Leading the gears to spin and transfer the energy from the motor Major advantages of upgrading to this product: Harden steel #45 plus nutrified and hardening process, more durable to use Spring steel has higher strength of hardness and better durability The features of general appearance of this product: Same as original Key selling points: Very smooth to use with and highly recommended Other special notes and comments: Total length : long one : 68.5mm, short one : 59.5mm