The Rush Downhill Speed Bomber Ceramic Hybrid have 7 stainless steel waterproof ball bearings with 1 ceramic ball bearing to self-clean and reduce friction. With a nylon retainer and steel casing, the rubber shields provide easy maintenance. The package comes with 4 bearing spacers and Rush Bearing Lube.
Features: 7 Stainless Steel Ball Bearings, 1 Ceramic Ball Bearing, Waterproof, Stainless Steel Casing, Nylon Retainer, Rubber Shields
Axle Diameter: 8mm
Weight Set of Eight: 3oz