Rat to fit Cantilever.Supplied as 1 pair.Swissstop offers the best braking performance in all conditions for all types of bike. Two different compounds are available. For optimised braking control choose the compound that suits your application.CompoundsOriginal Black - Suitable for less aggressive riding, very good in dry & wet conditions. Specifically recommended for rims made of softer alloy.Why SwissStop?Top performance on dry rims and even better performance on wetComplete absence of abrasive materials which damage rimsConsistent braking (-20C to +40C)Silent operationPlease ensure the compound meets the compatibility and warranty requirements of your wheels.