150 Lumen Theft Proof Bike Light For Bicycle Commuters - Bright USB Rechargeable LED Bicycle Light w/ Lifetime Anti Theft Guarantee Never Take Your Bike Lights Off Again: custom security bolts make Fortified Bicycle lights theft proof, and theyre backed with a lifetime anti theft guarantee Never Ride Uncharged: These are the only LED bike lights with removable USB rechargeable batteries, enabling quick swapping on the go - the most convenient rechargeable bike lights on the market! See The Road: 150 lumen front bike light ensures that you see the road Fits Nearly All Bikes: 22mm-31.8mm handlebars Ride Bright For Hours: up to 5 hours front light run time