Don't let the small size fool you. The Original Incredibell is little, light and LOUD! Its diminutive dimensions and pivoting ringer let you mount it just about anywhere on your handlebars. A flick of your finger and the Ding! Ding! rings clear for all to hear. - Dome Diameter: 33mm (1.3") - Fits handlebars with 21.7mm – 26mm (.86" – 1.02") outside diameters

- Lockring tool, freewheel turner (chain whip, 1/2" x 1/8"), and 15mm pedal wrench. - Perfect tool for fixed-gear bikes. - Cr-Mo steel.