Ingeniously designed to fit. Shimano STI* shifter/brake levers. Pull the rubber brake hood off the lever clip, slip the bell base on the clip and tighten, replace the rubber hood on the base clip. Domes are solid brass - black or chrome. plated. Will fit either left or right lever.
Specifically designed to fit Shimano STI Road Levers
Easily mounts to right or left brake/shift lever
This puts the bell within easy reach for greater safety
Fit chart and assembly directions are on the inside of the Incredibell Roadbell card