57mm Diameter is a great do-it-all size

60% Cotton / 40% Polyester

Gold-plated stainless steel

100% Cotton heavyweight non-stretch denim

Independent Forged Hollow Mid Skateboard Trucks - 129mm feed-color-55mm 57mm Diameter is a greatThe strength of a forged aluminum alloy. The lightness of a hollow axle. The ultra low, no hangup profile of an inverted kingpin. The rep of riding Indys. These trucks have it all. The Indy Mids feature a lower profile hanger for optimal contact point angle on your nose and tail for flip tricks, ledges, and all around street skating. The inverted kingpin works with a 5. 5mm Allen key or standard 9 16" hex wrench, and sits low so you can dip those