This thread is a bit old but I have changed to Novsight N37 60w H4 on my Royal Enfield 650. Good straight dip beam beam line, symmetrical. Very good I must say, makes night driving a dream. Best mod ever.
Don't buy cheap, you get <deleted>. These are 1,599 for two H4, worth every penny if you drive night time.
https://www.lazada.co.th/products/novsight-h7-led-h4-h11-h8-h9-h1-h3-9004-9005-9006-9007-120w-22000lm-6500k-i2414547243-s8290298663.html?
Discipline required! They are very bright.