The new bell with compact Q shape and crisp sound specifically for safety warnings for mountain bikes and roadbikes.Features:Compact Q-shaped bell with crisp and loud sound compared with the traditional bell it has more convenientoperation.Made of high strength aluminum alloy and premium ABS material durable and practical.Equipped with adjustable adapter pad convenient to adjust the size for your handlebar and easy to install.Suitable for mountain bikes roads bike city bikes and children's bicycle etc.Fits for handlebar diameter: 22.2mm-31.8mm/0.9-1.25in.Specification:Color: Black/Blue/Silver/Red/Rose (optional)Material: aluminum alloy ABSSize: 6*4*2.3cm/2.4*1.6*0.9inFit for handlebar diameter: 22.2mm-31.8mm/0.9-1.25inPackage weight: Approx. 30g/1.1ozPackage List:1* Bike Bell1* Adapter Pad1* Sticker Pad2* Screws