Knog Oi Bike Bell - Original & Luxe Styles, Built in Cable-Clip, Adult/Youth Bicycle Bell (Black, Copper, Brass, Aluminum) : Amazon.co.uk: Sports & Outdoors
Amazon.com : KNOG Oi Luxe Bicycle Bell Ring Type (Inner Diameter: 0.9 inches (22.2 mm), Small, Black : Sports & Outdoors