Shimano's Saint M820 Shadow Plus Rear Derailleur uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheel. Direct cable routing prevents snagging from any trail side hazards….
– Shimano Saint M820 Shadow Plus Rear Derailleur Rear Derailleurs – £79.98999999999999 (RRP – £)
