Skateboard Parts Kit: skateboard wheels 54mm with installed bearings; Skateboard Trucks 129mm(5 inches); All-in-One Skate Tools; Skateboard screws 29mm; Skateboard shock absorber; Skateboard hardware set.54mm Skateboard Wheels: The abec-9 bearing is 22mmx8mm, which have been installed on wheels. The premium wheels with high quality bearings help you do street tricks very well. It 's also favored by most freestyle skaters because of their light weight.129mm Trucks: skateboard trucks 129mm(5 inches) are suitable for 7.5-8 inches decks. We are offered a selection of 129mm trucks and four-hole skateboard riser pads and baseplates. They get higher quality and professional than six-hole skateboard riser pads and baseplates.All-in-One Skate Tools: We supply a T tool in this package. The all in one skate T tool has everything you need to tighten up or repair your skateboard. This skate tool works with all types of the skateboard. It's time for you to create your own skateboard.Bracket size: 5 inchesWheel size: 54x36mmBearing: ABEC-9Gasket: 3mmMaterial:Aluminum alloycolour:All BlackPackage Contents:1 pair * skateboard brackets4 * 54x36mm wheels8 * ABEC-9 bearing1 * skateboard tool2 * 3mm spacers8 * screw+nut4 * SleeveOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.