This is a high-quality black bumper bolt with a 10.9 rating. It's an OTK rear bumper bolt sized at 10mm x 130mm, offering great strength and reliability for your kart.

Using this bumper bolt is easy. Just align it with the mounting holes on your kart's rear bumper and tighten it securely. Make sure to use the appropriate tools to avoid damaging the bolt. When it comes to maintenance, regularly check the bolt for any signs of wear or damage. If you notice any issues, replace the bolt right away. Also, keep it clean to prevent rust and corrosion. With proper use and care, this bolt will serve you well for a long time.