Arundel bells have a stainless steel thumbscrew so to install or remove the bell with no tools. Plus with stainless thumbscrews, parts will never rust making the bell truly trail worthy to be used and abused. And of course, the bell has a nice ring!
Features of Arundel bells:
Easy to install or remove
Fits a 31.8 clamp diameter and shim included for 28.6 too
The Isabell is 39 grams being very compact with black anodized aluminum and a fixed ringer