Independent BTG Speed trucks feature flat light blue hanger with Built to Grind laser etched logo and polished silver baseplate, silver hardware, and white cushions. Durable all purpose truck for any type of skateboarding. 55mm tall for optimal performance and wheel clearance with wheels 56mm and under. A356 T6 Aluminum Hanger & Baseplate The best lightweight aluminum alloy heat treated to T6 condition for strength, durability, and grind feel. SCM435 Chromoly Steel Axle Highest quality and durability available. Grade 8 Kingpin Never break, never bend. 159 and 169 models feature 6 hole universal baseplate with old and new school mounting pattern. Independent Trucks are Built to Grind and Guaranteed for Life. 0