specification of trailer hubs Studs No.: 5 studs PCD: 5x114.3mm ... We are a professional manufacturer of Trailer axle, trailer hub, trailer axle hub, axle hub, rubber tosion axle, axle hub kit - trailer parts, square bar hub, square ... , and we provide full range of the different trailer axles for customers.All axles are test before shipping ... need them, pls contact us for more information. trailer hub