One of the primary topics of conversation within the pages of Four Wheeler, as well out on the Internet and amongst wheeling enthusiasts, is suspension. Suspension is one of the most important aspects ...

Leaf springs are one of the oldest forms of suspension. For hundreds of years, leaf springs have been used on automobiles, carriages, trailers, and so much more—and they’re still in use today. On the ...

Leaf springs were a hot new technology several years ago, and by "several years," we mean the Bronze Age. Vehicles have evolved somewhat since the chariot, what with trotting and biting horses being ...

BrightDrop electric delivery vans (above) as well as Chevrolet Silverado/GMC Sierra pickups from General Motors Co. feature North America’s first composite tension leaf springs (TLS) with progressive ...

Rassini’s 1+C Hybrid leaf spring features a single steel parabolic main plate and a flat glass fiber composite helper plate to provide suspension on the rear wheels of the Ford F-150 pickup truck.