Securely attach your phone to Handlebars with the Maplin Joby GripTight Bike Phone Holder + Front and Rear LED lights. Over-moulded, stainless steel plates secure your phone to handlebars from 22.5mm to 35mm diameter. With this superior design concept a variety of phone positions can be achieved including portrait or landscape mode. The perfect accessory for bicycles, scooters or fitness bikes just about anything with a handle bar.The front and rear LED lights have straps to secure them to the saddle mount and handlebar and are powered by two CR2032 3V batteries.