Truck bushing how tight?

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A common question I see on various forums, and talking to new boarders, is “how tight should I run my trucks?“, which is really how tight should the kingpin nut be in compressing the bushings and holding the hanger in place.

The thing to understand is that the bushings on a conventional truck have to do a very complex job of reacting to multi-dimensional forces and keeping you out of hospital. Importantly, there is an optimum for the nut tightness and bushing compression. Too slack and the hanger will move unpredictably and reduce control, especially with speed wobbles; however, too tight and the bushing will deform and not work properly with poor progression, even damage. Meaning there is an optimum for tightness and over tightening does not help, it can actually make things more dangerous. Better stability and control does not come from overtightening tightening the kingpin nut, it comes from using a different bushing shape and durometer. Similarly, if a board won’t turn well, requiring too much brute force, loosening the nut more also does not work; use a different shape or software durometer.

Below is an excellent video from New Zealand skater Crunchie, which shows how to tighten on the bushings.

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