QUALITY GUARANTEE --- If you have any questions about our skateboard bushing sets, please feel free to contact your JENNGAOO product and contact us for a replacement or refund. Conjunto De Buchas De Skate Pu Damping 90a Substituição De S... Specification:Item Type: Skateboard Bushing SetMaterial: PUGross Weight: Appeox., 58g/2., 0ozShock Absorber Size: Approx., Diameter 24mm/0., 9in, column height 16mm/0., 6in, cone height 11mm/0., 4inHardness: HR 90AApplicable: Fish board, double rockerPackage List:1 x Skateboard Bushing Set (12 Accessories) fixory 4x Skateboard Wheels Roller with Bushings Replacement 78A 90A Hardness Skateboard Shock Absorbers Jenngaoo Skate Board Bushing Set, 12 Accessories PU Damping 90A Skateboard Bushings CONVENIENCE --- The sliding plate replacement bushing is easy to install and easy to use, put the PU bushing in the middle of the gasket and screw the nut to complete the installation. 2 Pairs Replacement Bushings 90A Longboard Skatebo... – Grandado Used to improve skateboarding performance and bring you a better skateboarding experience. HIGH QUALITY --- The skateboard bushing set is made of high quality material PU material, which is very durable and has a long service life.