Shimano's new Ultegra R8000 drivetrain includes the RX rear derailleur, which features a clutch mechanism for chain security.
Read the full article at Shimano drops new clutch Ultegra RD-RX800, trickle-down 105 components on VeloNews.com.
Shimano's new Ultegra R8000 drivetrain includes the RX rear derailleur, which features a clutch mechanism for chain security.
Read the full article at Shimano drops new clutch Ultegra RD-RX800, trickle-down 105 components on VeloNews.com.