Ribble led light set ls100 machined in aluminium this compact and usb rechargeable light set is perfect for any road cyclist or commuter housed in a strong high quality alloy body the front light boasts a 40 lumen light output with the rear emitting 15 lumens four light modes a choice of four flashing and constant modes ensure that you will be noticed with these lights there is up to 8 hours of battery life in flashing mode a flexible silicone rubber strap allows the light be fitted or rem