The basil portland brass bell is an original bicycle bell from basil in glorious gold it makes an instant impression and its pared back aesthetic lends itself well to all types of bicycles with a 55mm diameter this bell emits an audible sound when rung making it ideal for alerting your arrival to other cyclists pedestrians and other road and path users easy to mount and fix to your frame yoursquoll have no trouble with this essential cycling accessory basil portland brass b