Bones Swiss Ceramic bearings are simply the best skate bearings out there today. If you are looking for high performance skateboarding bearings that will be strong, fast, smooth and durable, then check out Bones Swiss Ceramics. Professional skaters use them, and there's a reason - they're the best. If you are just starting out, these aren't the bearings for you - check out Bones Reds instead. However, if you are a serious skater who wants the best, then Bones Ceramics are for you.