Can I Change the Rims if the Rear Wheels Have Drum Brakes?
3 Answers
It is possible to change the rims even if the rear wheels have drum brakes. Requirements for filing the modification: In principle, modifying rims is not allowed, so filing for the modification is necessary. Before making any changes, it is advisable to consult with the local vehicle management office to understand the specific requirements; otherwise, the vehicle may fail the annual inspection. Legal basis for changing rims: According to the 'Regulations on the Registration of Motor Vehicles,' any modifications to the body color, model, performance, purpose, or structure of a licensed vehicle, including replacing the frame, body, or engine, must be reported to the vehicle management office for registration changes. If the new rims are of the same size, they will generally pass the annual inspection, but the appearance should not be significantly altered.
As a car enthusiast, I've changed wheels several times. It's no problem to change wheels even if the rear wheels have drum brakes, but you need to ensure the wheels are compatible with the drum brake size. The wheel bolt pattern must match the original car, and the center bore size must fit the wheel hub, otherwise it may scrape against the brake drum. Once, I didn't pay attention to the offset being too small, and the wheel made strange noises when rotating—fortunately, I checked it in advance. Nowadays, there are specially designed wheels on the market with extra space for drum brake models; just choose the right size when buying. Changing wheels not only enhances the appearance but also reduces weight and improves handling. However, it's recommended to have them installed professionally and test the wheel balance and tire clearance afterward to avoid safety hazards. Driving safety is the most important thing.
I've been driving for over a decade, and from personal experience, replacing drum brake rear wheels with new rims is feasible. The key is ensuring the rim specifications are appropriate—avoid choosing rims that are too wide to prevent squeezing the drum brakes and affecting heat dissipation or maintenance. I recall replacing them with aluminum alloy rims once, with the original drum brake system remaining in place and functioning normally. However, during installation, it's crucial to carefully align the bolt holes to prevent loose screws. I recommend first measuring the original rim's diameter, offset, and bolt pattern (such as specifications like 5x114) with a ruler; the new rim's parameters just need to match. The drum brakes themselves are covered by the rim, but don't worry about interference issues; upgrading the rims can make the car more stable and fuel-efficient. After completion, be sure to take a short test drive to check for any vibrations and ensure everything is secure.
