Fits both standard 608 and micro 688 bearings (all bearings)

professional competition-grade speed and durability make Bones Swiss normally last several times as long as ordinary ABEC rated bearings

187 Killer Pads® Lock-In™ Cap System - Secures and aligns removable cap in correct position

greatly increasing the security of your boards

Those skates are very fast

Spitfire Big Head Edition 54MM Skateboard Wheels - Set of 4 Bones Fits both standard 608 andSpitfire Bighead Edition 54 MM 99 DURO Made In The USA Wheels you can trust, these Bighead Spitfire wheels were hand poured and made in the USA, they're also guaranteed against defects which is something that definitely inspires confidence. FEATURES Quantity Set of 4 Wheels Wheel Profile Medium Surface Treaded Durometer 99a WHEEL PROFILE Medium Your classic wheel shape, versatile all around wheel for street park skating. SURFACE Treaded Treaded wheels