174mm Trucks From the UK, Design by Gavin Clarke of Surrey Skateboards (England's Oldest Skateboard shop started in 1977). Holeys have their own look with the round hole perforations in the hanger which make them unmistakable, smooth, sleek and extremely well-made. The kingpin is a 2.75” inch Cromolly hex bolt with both New-and Old-school drillings in the base plates. The lower bushing is a 0.75” hourglass design which is part of the secret behind the great carving these trucks are known for. Set of 2.