53mm ECS ball-bearing drive shaft created from world-renowned HUDY Spring Steel. This race-quality drive shaft is a spare component for #305309 ECS BB (Ball-Bearing) Drive Shaft 53mm - HUDY Spring metal. The ECS BB (Ball-Bearing) driveshafts offer a significant performance gain throughout the standard blade-type driveshafts. The friction between your driveshaft together with outdrive is significantly paid down, which helps provide a much smoother managing feel, especially on fast direction modifications, including chicanes. The reduced friction helps you to increase cornering rates. The 53mm shafts are ideal for more open and flowing track layouts. They will provide slightly less initial steering, but better steering in the center of the part, and on power. Upkeep among these bearing driveshafts is essential, but simple. Develop them while you would your normal ECS driveshafts, however with the next addition; we recommend using the Hudy Joint Grease (106213) between your tiny bearings together with outdrives, for a prolonged life regarding the components.