This oBear Bell fits 21.7mm to 26mm handlebars. Dome Diameter: 33mm (1.3")
Fits handlebars with 21.7mm ~24mm (0.86-Inch - 0.95-Inch) OD
Dome Diameter: 33mm (1.3-Inch)
The 25.4mm clamp fits most handlebars
oBear bell Brass Duet Bicycle bell has a solid brass dome