Xeccon Sogn 900 2000 Lumen LED MTB Bike Light 7800mAh Samsung Battery & Robust METAL Handlebar Mount BSS Super bright 2000 Lumen, using Dual 2nd generation Cree XM-L2 LED!! Robust METAL mounts that secures well for 25-32mm handlebars!! 7800mAh Samsung hardshell waterproof battery to provide long run time! Two shell design for awesome thermal management! A secret weapon for Mountain Bikers!!!