Knog Oi Classic Bell - Black - Small YGroup_8041042378797 The Rhythm models are only

The Rhythm models are only suitable for use on Rhythm model 36's and are not compatible with Performance or Factory models

and is able to dump that amount of pressure into your tyre for quick inflation

Volume trail last: tuned upper is tighter around ball of foot for enhanced bike control and pedalling efficiency and has increased volume at toe box and heel for improved walking comfort and shock absorption

30mm Slim Diameter

Made of innovative 3DF AirFit impact foam

Knog Oi Classic Bell - Black - Small YGroup_8041042378797 The Rhythm models are onlyBike bells generally look & sound a bit ugly. But why? What if they looked sexy & sounded like an angel playing a glockenspiel? A bell with a beautiful tone, but also a remarkable style and choice of materials that embodies a rider's personality. The Large size fits 23. 8 31. 8mm bars, while the Small fits 22. 2mm bars.