Bones Swiss Skateboard Bearings boots Spitfire Formula Four Conical Full

Spitfire Formula Four Conical Full 99du

Skate-specific tread helps deliver great boardfeel and flick

Pre-lubricated with Speed Cream racing lubricant

you're ready for whatever the mountain throws your way

smooth anti-stick slide with a controllable grip

Bones Swiss Skateboard Bearings boots Spitfire Formula Four Conical FullLegendary Original Bones Swiss Bearings are the optimum combination of Bones Skate Rated design and Swiss precision manufacturing creating the standard by which all other bearings are measured. For more than 40+ years preferred by the world's top professional skaters. Proven, professional competition grade speed and durability make Bones Swiss normally last several times as long as ordinary ABEC rated bearings. Made in Switzerland. Features Single,