The centerbore, or hub-bore, is the hole on the back of a wheel that centers it on your vehicle’s hub. This opening is sized to fit the hub exactly, so the wheel lines up correctly as you tighten the lug nuts. Keeping the wheel centered helps prevent vibrations. Some wheels are made for certain vehicles and have a bore that matches that model. Others, like our Dual-Drill UTV Wheels, can fit more than one vehicle by using two bolt patterns, such as 4x137 and 4x156.
Wheel Example Below: V01 15x7 4x156
Polaris vehicles have some of the largest hub assemblies in the powersports industry, so they need a bigger centerbore. For example, the Polaris 4x156 bolt pattern uses a 132mm (5.20") centerbore, while the Honda 4x110 bolt pattern uses an 86mm (3.38") centerbore. In the image below, the blue area shows the cap and the pink area shows the centerbore. Each Valor Offroad wheel is made to fit your UTV or ATV model, with the centerbore sized to match the bolt pattern.
Valor centerbore specs:
| Bolt Pattern | Centerbore |
| 4x110 | 86mm |
| 4x137 | 112mm |
| 4x156 | 132mm |
| 5x114.3 | 86.1mm |
| 6x139.7 | 112mm |
Note: It is critical to torque the lug hardware with the vehicle on jack stands, off the ground. This allows the nuts or bolts to center the wheel and torque down without the weight of the vehicle pushing them off center.
