Trinity Ninja 4x90mm 273mm black Size:273mm Basically ABEC is a rating

Basically ABEC is a rating system for the tolerances in a bearings

You’ll take comfort in their snug

10mm deep tool cavity helps to keep bolt heads from stripping with regular use

You might have to grind down the pins of certain soul frames

They feature a molded shell with a new street formula soul plate material with a 45 degree shock absorber that will allow you to take bumps comfortably

Trinity Ninja 4x90mm 273mm black Size:273mm Basically ABEC is a ratingThe Trinty NN 90 is the most nimble 4 wheel frame of the Trinity NN Family. It's agile while maintaining speed and stability for the ride experience. Normally, skating a longer frame will feel like you're rolling on rails, but with the custom "V. m" rockers, the 90 turns like a dream. Combining Powerslide's proprietary Trinity mount with NN's custom "V. m" rocker, you can't go wrong with the all around "ninja" while you're skating all around town