Note: Sold in sets of 2 trucks.Lightweight version of Stage XI with hollow axle & kingpin. Durable all purpose truck for any type of skateboarding.7% lighter than Stage XI55mm tall for optimal performance and wheel clearance with wheels 56mm and under.A356 T6 Aluminum Hanger & BaseplateThe best lightweight aluminum alloy heat treated to T6 condition for strength, durability, and grind feel.Hollow Chromoly Axle & KingpinHighest quality hollow Chromoly steel for durability and weight saving.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. Independent Trucks Indy Hollow Forged Truck Standard 159MM