your owners manual will list the bulb spec for your bike, my 2019 1200S is a H7 for low beam, H1 for high beam. i'm assuming the 1200/821 probably share the same headlight? from what i hear, the high beam doesn't have enough clearance for a LED driver, but the low beam typically does. i'm looking at the
https://www.cyclopsadventuresports.com/48-Platinum-H7-LED-Headlight-Bulb_p_86.html
but cyclops can't confirm that it will fit.
https://www.cyclopsadventuresports.com/48-Platinum-H7-LED-Headlight-Bulb_p_86.html
but cyclops can't confirm that it will fit.