Shimano debuts Ultegra RX road derailleur with a clutch - CyclingTips
Shimano 105 R7000 groupset — everything you need to know - BikeRadar
ShimanoROAD on Twitter: "With the new Ultegra RX clutch derailleur Shimano is bringing adventure back to road riding. Whether you ride Di2 or mechanical the idea is to stabilize your chain over