Bones skateboard bearings are the number 1 bearing on the market. They have a great selection for all skate boarding styles. Bones reds are the entry level bearing and cost around $16. Super Reds and Racing Reds are two newer choices from bones. The racing bearings have built in spacers for a faster more consistent spin for your wheels. Bones bearings are also famous for the swiss precision bearings, super swiss 6- balls and the highest end bearing in skateboarding the bones swiss ceramic skate bearing's.