Featuring Spitfire Formula Four urethane formula

A Seamless interior finish provides ultimate comfort

When the hanger web squeezes one side of a HardCore bushing

Padded tongue and collar

Water Resistant ABEC-9 Chrome Bearings

Bones Hardcore Bushings Hard Black/White x2 BRAND_Element Featuring Spitfire Formula Four urethaneWhen you turn a normal truck, the hanger web puts pressure on one side of each bushing (top and bottom). This squeezes that side and pushes the other side of each bushing away from the kingpin. Bones call this a single action bushing because only one side of the bushing works for you at a time. The HardCore insert in the centre of BONES bushings connects the two sides of each bushing together by bonding them to the HardCore insert. When the hanger web