Amazon.com : Sure-Grip Vintage Aluminum Skateboard Trucks | Hourglass Shaped Base Plates & Smaller Mounting Holes | USA Made Trucks with 4 1/2" Long 5/16" (8mm) Diameter Steel Axles - Sold in
Inverted Kingpin Baseplate Set | Genuine Parts | Independent
Longboard Trucks 101: A Breakdown of the Top 4 Brands