Skateboard Package Just add wood! The perfect addition to build your deck or upgrade your current setup! Core trucks are light weight and feature heavy duty aluminum with grade 8 steel kingpins and axles, as well as USA made bushings and pivot cups. 52mm 99A are the perfect wheels for both street and park skating. Like the name states, Amphetamine bearings are stimulants for your wheels! Light synthetic oil, Delrin Crowns, and Rubber Serviceable Shields are a few of the things that makes these bearings one of the best Abec 5 rated bearings on the market. Full kit includes: 5.0 Core Trucks, 52mm TGM Logo Wheels, Amphetamine Abec 5 Bearings, 1' Hardware, and 1/8" Riser Pads.