Just my opinion but the Ti screw kit - and I speak from experience of the Tamiya one I used on my DB01 - is a total waste of money. The weight saving is negligible, even more so if you use lipo as you'll probably want to add weight anyway, and the screws feel horribly soft when you tighten them with an allen driver. After a few times removing the geartrain covers to change pinions (the real pain in the ass part of the DB01) mine were shot so I bought a replacement hex headed steel screw kit, loads better and less than a third of the price including shipping.
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