BikeMaster 420H Heavy-Duty Precision Roller Chain Link
This chain must be correctly matched to the machine size and power output. Failure to do so could result in failure of the chain, causing damage to the machine or other property, serious injury to the rider or others or even death of the rider or others. It is the responsibility of the installer to ensure that the chain selected is correctly matched to the machine and installed correctly. If you have any doubts, contact a professional before use.