Need a solid and bright light combo from a company famous for solid and bright light combos The Cateye Volt 300Rapid X Light Kit is calling your name. Up front, you get a Volt 300. It's super lightweight for a 300 lumen LED light, at only 120 grams. The Li ion battery is housed in a durable tubular structure that attaches to virtually any handlebar diameter with Cateye's Flextight bar mount. An optional helmet mount is included, too. Out back, you get an Rapid X, a vertically oriented LED taillight that bangs out 25 lumens and weighs even fewer grams, making it one of the brighter and lighter taillights out there. Its Li polymer battery powers several different operation modes, and it takes a mere 2 hours to fully recharge. It attaches with a flexible rubber O ring mount. The Cateye Volt 300Rapid X Light Kit comes in one size and in one color only. Both lights are rechargeable via included USB charging cables.