Bushings are an integral part of skateboarding. The bushings in your trucks are also the Shock absorbers of your skateboard and take quite a beating- even under the average rider. So, Bushings Really are one of THE most important components of your skateboard. The right Bushing Combo can make or break a riders' performance. Bushings come in many different colors, shapes, sizes and durometers. This Small Cone Combo includes 1 tall cone conical bushing and 1 barrel bushing, enough for 1 truck.