The Zero SINGLE SKULL Deck measures 8.25". Resin 7 Construction uses 100% Canadian maple veneer with a specialized Epoxy resin Glue. These boards are individually pressed which helps insure you get the same concave and curvature in every deck - making your deck more consistent and your tricks more consistent. Why is it better? Compared to a traditional deck it's stronger and offers better pop and longer deck life. 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. Arrives un-assembled which allows for customization and a feeling of accomplishment. Skaters love building their boards! Easy to assemble!