Get a 'Sick' rating in the bonus level 'Downhill' by completing the 10 classic mode objectives and you'll and get the message 'Sponsor Gear Unlocked'. The Shaba Collector's deck is then near the bottom of the list in the skateshop.
In the level downtown, Go to the entrance where the cars come through and walk to the right side and go to the very last set of bushes. It should be small, large, small plant. If you see that then your in the right place. Stand right in front of the large plant and turn the camera so where your looking through the bush. Your guy should be bald. If you don't complete this then ask a question and ill respond!
Full Stats-Allthebest Perfect Manuel-Frontandback Always special-Jammypack Perfect rail-Balancegalore Unlimited focus-Shellshock Inkblot deck-Birdhouse All decks for free except for inkblot deck and gamestop deck-Needaride