59mm ECS ball-bearing drive shaft produced from world-renowned HUDY Spring metal. This race-quality drive shaft is an extra component for #305307 ECS BB (Ball-Bearing) Drive Shaft 59mm - HUDY Spring metal????. Amount of 2. The ECS BB (Ball-Bearing) driveshafts provide a substantial performance gain on standard blade-type driveshafts. The friction betwixt your driveshaft and outdrive is paid down, which actually really actually helps you to offer a smoother management feel, especially on fast means modifications, like chicanes. The paid down friction actually enables you to increase cornering costs. The 59mm shafts are suitable to obtain additional available and going track designs. They're going to offer somewhat less initial steering, but better steering in component, alongside on energy. Upkeep regarding the bearing driveshafts is important, but super easy. Develop them as you would your normal ECS driveshafts, however with one of these addition; we suggest utilising the Hudy Joint Grease (106213) betwixt your small bearings as well as the outdrives, for a protracted life through the elements.