Keep the path around of you lit up with the Radian™ 850 Locking Light Set. The 120-lumen headlight and 20 lumen tail light will fit on most handlebars or seat posts. The easy-to-use integrated mount and cleverly hidden hardware to reduce risk of theft. The set includes the installation hardware needed to attach these lights to your bike. These secure bike lights feature a tough, weatherproof design and 360-degree visibility to ensure you are visible day or night.