The bobbin jumbo ding dong bell the bobbin jumbo ding dong bell is an outsized bell with a classic ding dong tone the bell comes in a range of colours blue red and pink with simple bobbin graphics to finish it off the jumbo will fit most sized handlebars however check before purchase with a simple paddle operation you have quick access to a concentration grabbing sound which alerts people of your whereabouts bobbin jumbo ding dong bell features material steel top base and clamp