Hollow Chromoly Steel Axle. These measure 53mm in diameter and 99A in hardness. Highest quality hollow Chromoly steel for durability and weight saving. Independent Skateboard Trucks Andrew Reynolds Skateboard Risers Independent Trucks Andrew Reynolds pro MiD featuring polished silver hanger and baseplate, Reynolds print, and black hardware and cushions Introducing the new MiD trucks, designed with a lower profile hanger for optimal flip tricks, ledges, and street skating. The first-ever inverted kingpin offers versatility with either a 5.5mm Allen key or standard 9/16 hex wrench THE REST: This kit includes Amp Abec 5 Bearings, Bearing Spacers, 1 Hardware, and 1/8 Riser Pads (everything you need to make a complete skateboard except the deck/griptape). WHEELS: Specially formulated street style wheels. SIZING: Indy 149 trucks have an 8., 5 axle. Independent Stage XI Reynolds Hollow Silver Standard Trucks (Size: 139/144/ 149