Dunlop Pear Bicycle Bell 35 mm Properties: Dunlop Pear Bicycle Bell 35mm Silver 475240. The Dunlop bicycle bell will help ensure safety on the bike path. Its classic design fits perfectly with any type of bicycle and is a practical addition to your cycling equipment. Universal and easy-to-use mounting system. Loud and clear sound. Technical data: Bell bowl dimensions approx.: 35 x 23 mm (diameter x thickness) Entire bell dimensions approx.: 3.5 + 2.3 cm (diameter + knocker) x 5 cm (bell thickness + mounting mechanism) Mounting clamp diameter: approx. 22 mm Material: Metal, plastic, handlebar mounting bracket included