Define the correct Chevrolet TrailBlazer EXT hub bore size
Refer to the Chevrolet TrailBlazer EXT hub bore size chart above, compiled by our experts. It is vital to follow the recommended manufacturer's specifications to avoid any damage or injury, no matter what trim your Chevrolet TrailBlazer EXT has.
If the hub bore size for the Chevrolet TrailBlazer EXT rims is chosen improperly and you didn`t buy hub-centric rings, it may lead to vibrations, and in the worst scenario - the wheel may detach from the car.
Save your life with our thorough Chevrolet TrailBlazer EXT center bore size chart; all you have to do is simply find the necessary year of manufacture.
Chevrolet TrailBlazer EXT Hub Bore
2006 2005 2004 2003 2002Shop for Tire & Wheel Packages at Tire Rack.
Hub Bore | 78.1 mm![]() |
Wheel Hub Bore | |
TrailBlazer EXT Bolt Pattern | PCD 6x127 |
Thread size (Lug Nut Size) | M12 x 1.5![]() |

Chevrolet TrailBlazer EXT specs
Best Tires | |
Wheel Offset | 22 - 42 mm |
Lug Nut Size | M12 x 1.5 |
Hub Bore Size | 78.1 mm |