Properly adjusted, a lost art it seems, a drum isn't bad for normal street riding. As a bonus they always work in the rain, unlike a wet disc the first time or two. 198 kilograms = 436.515279 pounds bike. The light does sound a bit low, 35w/35w? What, no high beam? 30/35 is prolly more like it Mine seems dim and it's a 55w/60w. (Aftermarket)