Some semi trucks use single axles, while others use double or tandem axles. Here are the differences between the two setups and why they matter.

Knowledge is priceless. That's true generally, and it's especially true when you want to upgrade your 4x4's axles. Because of the investment and the work involved in this type of upgrade, it's ...

4x4 axles come in all shapes and sizes for recreational and competition wheelers. From the heavy-duty 21⁄2-ton Rockwell to the classic lightweight Dana 30, each axle has its own definitive qualities.

Thru-axle replacements are not necessarily an everyday need for cyclists, but when you do need one, you may find it challenging to find the right one at your LBS. There are a ton of thru-axles ...

Hot rods lax the limits of stock axles. Sixties racers learned this when traction caught up with horsepower and they started tossing slicks into the stands. Axle manufacturers quickly learned how to ...

While you might not be a mechanic, understanding how your car’s parts work helps to ensure that you know when your car is not functioning as it should. Several parts work together to keep your car ...