Increase your ability to see and be seen with this headlamp.  The blue light actually appears to be brilliant white compared to the yellowish look of the stock lamp.  You just need to remove 2 screws and pop out the stock lamp to replace it. Compare the stock lamp to the Xenon lamp in the undoctored photo below.

Fits Triumph Bonneville, SE, T100, Black, Thruxton, Scrambler, America, Speedmaster, Rocket III, Speed Triple, Thunderbird and every motorcycle with H4 headlight bulbs.