JB/T 8820-1998 This standard specifies the technical requirements, test conditions, test methods and test equipment for motorcycle transmission chain wear performance testing. This standard applies to drive chains used on various motorcycles (including other walking machinery) manufactured in accordance with GB/T 14212-93. Transmission chains manufactured according to other standards can be implemented as a reference. (Note: This standard refers to the relevant technical content of ANSI B29.1-86 "Precision roller chains, accessories and sprockets for transmission".)
JB/T 8820-1998 history
2013JB/T 8820-2013 Motorcycle transmission chains.Testing rules of wear performance
1998JB/T 8820-1998 Motorcycle transmission chains.Testing rules of wear performance