TSI Zenith Deck - Black100% Pure TSI, this is the new Zenith. Handbuilt in Portland, Oregon by some of the most experienced scooter creators in the industry. This deck may look like others on the market, but looks can be deceiving. We have combined all the best innovations of our best selling decks into one incredible scooter. featuring the low profile of the Satellite, with the most favored features of the Boxcutter; the flat bottom & noseplate for maximum grind stability.