The Zero SINGLE SKULL Deck Measures 7.75". 100% Canadian Maple pro skateboard deck which is suitable for every skill level from beginner to pro. 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, Amp bearings are Stims 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. Arrives un-assembled which allows for customization and a feeling of accomplishment. Skaters love building their boards! Easy to assemble!