This is an OTK kingpin bolt with a 10mm diameter and 90mm length. It features a drilled end for easy attachment of a safety clip. Suitable for Tony Kart, Kosmic, and EOS Kart models, this bolt offers reliable performance and enhanced safety.

Using this kingpin bolt is easy. Just insert it into the appropriate place on your kart. Make sure it's properly aligned and then secure it. When using, always check that the safety clip is firmly in place on the drilled end to prevent any loosening. For maintenance, clean the bolt regularly to remove dirt and debris. You can use a mild cleaner and a soft cloth. Also, check for any signs of wear or damage, and replace the bolt if needed. Keep it in a dry place when not in use to avoid rusting.