INKUTEN TM Xeccon Spiker1207 2200 Lumen Bicycle Road Commuter & Racing LED Bike Light Super bright 2200 Lumen, using Dual 2nd generation Cree XM-L2 LED Simple Hi&gt;Lo&gt;off mode, and the step-less dimming option for handy runtime management. 7800mAh Samsung hardshell waterproof battery to provide long run time! It has an extremely long light throw, which is useful for trail riding and night racing! Fits 25.4 to 40mm handlebars; can also be used as helmet light.