Suitable for most bikes: There are 2 bands with different length(9,5mm and 12mm). So the bell is suitable for most bikes. Even if you have a thick bicycle handlebar.
Volume >75DB: With >75DB (International Standard), the bell can also hear clearly in the loud traffic.
Easy installation: there is a gift Allen key, so you can easily install and remove. The spacer protects your handlebar from scratching.