Nite Rider 2017 Sabre 80. The Sabre 80 is a bright rear light with a 180-degree beam that gives you the ultimate level of side visibility. This is an ideal commuter light that is packed full of user friendly features USB Rechargeable. To make things super convenient for you the Sabre 80 doesn’t require replaceable batteries but instead is USB rechargeable. The light comes with a USB charging cable that lets you charge the light from any standard USB port. This can be found just about anywhere – think your office computer, the side of your laptop, or as part of your smartphone charger Light Modes. The Sabre 80 comes with 6 different light modes that can easily be switched between by holding down the front button. The light has three stable modes and three different flashing modes. This lets you find the right light mode for your current environments lighting, the type of cycling you are doing, and the lights battery life Mounting. The light comes with an integrated mounting system that doesn’t require any additional tools to attach. The light’s mount has a sleek aero design that means that it mounts directly behind the seat post for an unobstructed level of visibility Visibility. The Sabre 80 comes with 180 degrees of light visibility which ensures that you aren’t just seen from directly behind but also at your sides. This is important in urban cycling as there are usually multiple different lanes of traffic travelling in multiple different directions In the Box. LED tail lightSeatpost mountUSB cableFeatures. Includes day light flash modeUp to 80 lumens of light outputComes with seat post mounting system180 degrees of visibilityWeighs 28gAero fit designUSB rechargeableWater resistant housingBuy Nite Rider Lights from Chain Reaction Cycles, the World’s Largest Online Bike Store.