This axle cassette is designed for the left side (brake side) of karts. It's compatible with 2011 and newer OTK karts that have a standard offset. It can fit both 40mm x 80mm and 50mm x 80mm bearings, offering a great solution for your karting needs.

To use this axle cassette, first make sure your kart is a 2011 or newer OTK model with a standard offset. Place it on the left (brake) side of the kart. When installing, ensure it fits well with the 40mm x 80mm or 50mm x 80mm bearings. During use, check regularly for any signs of wear or looseness. To maintain it, clean it after each use to remove dirt and debris. Store it in a dry place to prevent rusting.