We’ve measured the Ace AF1 77 up, and we get a real-world hanger measurement of 173mm, an axle of 240mm/9.45″, and a height to the center of the axle of about 53mm with the stock bushings, with a weight (including all supplied nuts and washers) of 430g per truck.
The bottom bushing measures 14.65mm, and the top one is 11.7mm. The provided bushings measure 84a on our durometer, and should be fine for most skaters out of the box.
Finally, the pre-installed kingpins are of the modern splined variety, and like most modern trucks, the baseplate has just been hollowed out enough to prevent you fitting an old-style hex head or inverted kingpin.
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