FRONT. High-performance LED cycling light. High-performance LED cycling light. Compact durable & heat-dissipating machined aluminum body. Two market-leading ultrahigh-output LEDs delivering up to 1100 lumens. Optional Overdrive Race Mode toggles between Overdrive & Economy modes only. Mode Memory function returns to selected mode after turning off. Enhanced MOR (Maximum Optical Reflection) lens with side visibility. High-speed 2 Amp USB (Universal Serial Bus) charging capabilities (with compatible wall adapter). Versatile strap securely mounts to all standard bar shapes including aero bars. Advanced Li-Ion battery for superior run time.MAX LUMENS: 1100WEIGHT: 195g RECHARGE TIME: 4hrs REAR. Lightweight & durable CNC machined aluminium body. Lightweight & durable CNC machined aluminum body. Constant Lumens power management produces a steady lumen output. Powerful single-LED provides up to 180 lumens with integrated Side Visibility. Integrated USB (Universal Serial Bus) stick for convenient cable-free recharging. Snap-fit composite matrix mount with silicone strap attaches to a wide range of bars & posts. Available individually or in front / rear pair combinations.MAX LUMENS: 180WEIGHT: 52g RECHARGE TIME: 2hrs (1A) / N/A (2A)BATTERY: LIR123A (included)