River Rapids are responsive and durable. They will have you shredding the streets while keeping your flow. Featuring BUFF Core Technology which helps absorb impact, reduces de-hubbing and creates a smoother ride. All River wheels are manufactured with bearing removal slots for quick bearing replacement. All River wheels come with River Flash Flood Bearings pre-installed. The iconic 9-spoked anodized 6061 T-6 aluminum core creates a perfect balance of weight, strength and durability for a superior ride. Limited 90-day warranty against chunking and de-hubbing. 100% Made In California.