Here is the RK chain, Japanese brand specializing in racing motorcycles, width 532 with number of links to choose, this size is used on old or recent motorcycles, large displacement.
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This XW-RING range is the most reinforced chain version! It has a life of about 150 hours whereas a standard chain lasts between 55h and 100 h.
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All the chains lengthen as and when they live, namely that a low-end chain takes more than 2% of its total length after 50 h, this model extends from 0.5% to 150h of use.
Comes with its quick coupler.