XRAY ECS Drive Shaft in length 83mm with 2.5mm pin. The XRAYs unique ECS Drive Shaft equalizes the speed between the drive shaft plus the wheel. With an original 2-piece joint between your axle while the wheel, equivalent extreme wheel turning angle is split into two shallower perspectives without joint binding. This means that within same cornering speed, the inner wheel won't bind or vibrate. Drive through part is more stable, more precise, and more straightforward to drive. The ECS Drive Shafts assistance also with improved landing after jumps. Utilizing the ECS drive shafts, wheel vibrations and sound are decreased to minimum, steering is increased, stability of this vehicle is increased and cornering speed and smoothness are noticeably increased too. A must have choice component.