To achieve high-speed play and smooth action, these skateboard bearings use NINJA bearings, a Japanese product renowned worldwide for their performance. They allow for a variety of settings. Find your ideal setup. Pearl Demon Drive twin pedal with adjustable springs and bearings, featuring a silver and orange design. Everything in the photos is included, with all accessories. - Model Name: Demon Drive - Type: Twin Pedal - Features: Adjustable springs and bearings - Color: Silver/Orange As expected from Pearl, it provides solid, powerful performance. However, this is a used item, so please understand that it is sold as-is, with no returns or claims accepted.