This product features a 100mm long engine jam bolt (4' overall) and an engine chain stop with a 10mm thread. It comes in a sleek black color, offering both functionality and an appealing look for your 100cc engine setup.

To use this chain stretcher, first locate the appropriate position on your 100cc engine for the jam bolt. Insert the 100mm long jam bolt into the designated area. Then, attach the engine chain stop with the 10mm thread to keep the chain in place. Make sure all connections are tight. When using, avoid over - tightening as it may damage the parts. For maintenance, regularly check the chain stretcher for any signs of wear or looseness. Clean it with a dry cloth to remove dirt and debris. If you notice any significant wear, consider replacing the parts to ensure optimal performance.