The Incredibell Clever Lever has a very pleasant double ding sound. The unique lever can be pivoted to any position so it can be easily reached by the thumb or another finger. - Dome Diameter: 38mm (1.5") - Fits handlebars with 21.7mm – 26mm (.86" – 1.02") outside diameters

Keep valuable handlebar space free with Mirrycle's Incredibell Striker Bell. It integrates into the top cap of the headset, can be mounted any way you choose, and features an adjustable dinger as well. A flick of your finger and the Striker Bell rings loud and clear for all to hear. - Dome Diameter: 45mm (1") - Weight: Black and silver: 36g (1.3oz); Brass: 68g (2.4oz)

The Mirrycle Jellibell is a fun way to let pedestrians and other riders know you're coming! The Jellibell has a see-through top so you can see the gears spin as it rings. It's weatherproof, too! - Dome Diameter: 48mm (1.9") - Fits handlebars with 21mm – 22.5mm (.83" – .89") outside diameters

Mirrycle's Candibell is more than just a fun, compact bell, it’s the loudest Incredibell of all. - Dome Diameter: 48mm (1.9") - Fits handlebars with 21.7mm – 24mm (.86" – .95") outside diameters

Mirrycle's Incredibell Brass Duet makes a traditional ding-dong dual-tone ring with the beautiful resonance of solid brass. Plus, its compact size lets you mount it just about anywhere on your handlebars. - Dome Diameter: 33mm (1.3") - Fits handlebars with 21.7mm – 24mm (.86" – .95") outside diameters

Don't let the small size fool you. Mirrycle's Incredibell Triple is little, light and LOUD! Plus, its diminutive dimensions 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. The Triple fits the 3 most common handlebar sizes: 22.2mm, 25.4mm and 31.8mm.