Bike Flashlight Mount XTAR bike mount is specially designed for mounting flashlights to bikes.  It is suitable for 24mm to 27mm diameter flashlights and lasers.Is ideal companion for XTAR B20 L2 U3, R30 U2, lenses RC1 XP-G2 S2.The bow bayonet securely attaches flashlights making night rides safe! Its simple design makes it easy to operate on any bicycle.