Brands are just marketing. Triumph is assembled in Thailand using Chinese, Turkish, Indian, Japanese, German even the odd British component (tyres?). The design team is in Hinckley. RE are the same except assembly is in India and only part of the design team is in Leicestershire. The steel for those pistons is probably Chinese regardless.
The difference is management and priority. RE are cost sensitive and tax sensitive for the home market, hence they used the ****y Indian chain supplier. Indian management (I work in the automotive sector) only started seriously copying what the Japanese did in the 1950's in the 2000's. Triumph started in the 1980's.
Before buying the Enfield I looked at Chinese bikes. They have the same issues, a mix of good "international" parts and poor "traditional source" parts but are harder to identify. I can source a better quality RE part quicker than RE UK can get stuff from India (seriously bunged up with admin IMHO). A chain for a MASH is probably available from Suzuki but I couldn't ID which.
Andy
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