40mm Shaft Wheel Balancer 4.72" - 6.77" For Truck Collet Centering Cone USA. Always double-check your balancer shaft size before ordering to ensure compatibility. Designed for 40mm wheel center bores, this universal balancer cone adapts to hub sizes from 4.72" to 6.77" (120–172mm), making it suitable for cars, SUVs, light trucks, and caravans.