The wheel gets all the attention, but the small parts decide whether it is safe. Two things to check on every order.
Lug seat type
The seat is where the lug nut or bolt touches the wheel. There are three common types:
- Conical (60 degree taper): used by most aftermarket wheels
- Ball / radius: used on factory wheels from Honda, VW, Audi, BMW, Mercedes and Porsche
- Flat / mag with washer: used on many factory Toyota and Lexus wheels
The seat on your hardware must match the wheel. A ball seat bolt in a conical seat wheel only touches on a thin ring and can work loose. When you switch to aftermarket wheels, plan on new lug nuts or bolts.
Thread size by make
- M12 x 1.5: Honda, Acura, Toyota, Lexus, Mazda, Mitsubishi, Hyundai, Kia, Ford Focus/Fiesta
- M12 x 1.25: Subaru, Nissan, Infiniti, Toyota 86/GR86
- M14 x 1.5: Civic Type R, Integra Type S, Acura TL/TLX (5x120), 2015+ Mustang; VW, Audi, Mercedes and Porsche lug bolts
- M14 x 1.25: BMW F and G chassis, GR Supra, Mini F56 lug bolts
Hub-centric rings
Aftermarket wheels are made with a big center bore so one wheel fits many cars. On your car that leaves a gap between the hub and the wheel. Lug nuts alone can hold the wheel slightly off-center, which you feel as a vibration around highway speed. A hub-centric ring fills that gap. Common hub sizes: 56.1 mm (Subaru, Toyota 86), 57.1 mm (VW, Audi A3/TT), 60.1 mm (Toyota, Lexus), 64.1 mm (Honda, Acura), 66.1 mm (Nissan, Infiniti), 66.6 mm (Mercedes, BMW G chassis), 67.1 mm (Mazda, Mitsubishi, Hyundai, Kia), 72.6 mm (BMW E and F chassis).
The Fitment Finder shows your exact hub size and thread for your car.