They only have it in stock form 16/47 525
Unfortunately it seems near impossible to find a 525 kit with 49 rear for the street triple, so the general consensus seems to be a swap to 520.
I installed a one tooth smaller engine sprocket on my '02 Vstrom that had tall gearing.
Made for a great torquer in all gears but threw my speedo out of whack by about 15%.
Go to a 520 set to save the weight. The strength of the chain will be listed on the manufacturer’s website and you’ll find high quality ones are just as strong as your oem heavier 525/530 units.
For my Ducati I found a set from a European website quite a bit cheaper than local so give that a look.