Sour Solution Skateboards Koffe Hallgren Bisep Pro Model Skateboard Deck. Sour Solution decks are made with 7 Layers Canadian Maple wood. 8.0 inches wide, 31.44 inches long, 14.2 inch wheelbase. The deck is Made in Europe. This pro skateboard deck 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 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. Includes professional assembly! Arrives built to manufacturer specifications and is ready to ride right out of the box.