Lezyne's Micro Drive 500XL is a multi-purpose performance LED cycling light featuing compact, durable, and heat-dissipating CNC machined aluminum construction. Ultra-high-output LEDs and imporved optics deliver up to 500 lumens. Optional Overdrive Race Mode toggles between Overdrive and Economy modes only. Mode Memory function returns to selected mode after turning off. Enhanced MOR (Maximum Optical Reflection) lens with built-in side visibility. Integrated cable-free recharging USB stick. Versatile handlebar strap secures to round and aero bars. Advanced Li-Poly battery for superior run time.