California, USA (June 15th 2012) – Matrix Concepts will have the MX and SX legend Bob “Hurricane” Hannah signing a limited edition poster in the Mammoth Motocross pits on Friday June 29th and Saturday June 30th. The Matrix Concepts booth will be located in the beginning of the pits, right under the big tree, and feel free to bring anything else for Bob to sign as well. To find out more race information please follow  or visit us

About Matrix Concepts: Matrix Concepts is based in Valencia, California founded in 2009 and is used by the top MX/Off-road race teams in the world and offers a complete range of track/garage necessities that include personalized off road motorcycle Stands, Loading Ramps, Tie Downs, Tool Boxes, Utility cans and Worx Mats. For more information on Matrix Concepts products, visit: