XRAY ECS Drive Shaft long 83mm with 2.5mm pin. The XRAYs unique ECS Drive Shaft equalizes the price in the middle of your drive shaft plus the wheel. With a distinctive 2-piece joint concerning the axle as well as the wheel, a similar extreme wheel switching angle is divided into two shallower views without joint binding. Which means on same cornering price, the inner wheel wont bind or vibrate. Drive through part is more stable, more exact, and safer to operate a vehicle. The ECS Drive Shafts help also with enhanced landing after jumps. Combined with ECS drive shafts, wheel vibrations and noise are paid down to minimal, steering is increased, security with this car is increased and cornering rate and smoothness are noticeably increased besides. Priceless option part.