Gloworm's most powerful light just got brighter. The XSV (G2.0) leads the way with its output, features and performance. The combination of our brightest light and largest Power Pack create a union that is hard to beat in the world of bike lights. Customisation of the beam pattern and light output allow you to set up the Gloworm XSV to suit your desired runtime and trail conditions. While its relative small form factor and superior mounting options give you the freedom to setup the light wherever you need it most. The XSV will change the way you ride at night!