Introducing the Knog Oi, a discreet, distinctive and stylish bike bell which offers a much more pleasing (aesthetically and acoustically) way to alert people to your presence. Perfect for the discerning modern rider tired of yelling directions at surprised pedestrians but not prepared to sacrifice their perfect set-up.Low profile bike bell from KnogCNC machinedPitch perfect - great volume and longevity of soundFits 23.8 - 31.8mm barsWeight: 18gRecommended activityMTB / BMX / Commuters