Shimano Ultegra RD-R8050 Rear Derailleur Direct Mount B-Axle 2

Shimano Ultegra RD-R8050 Rear Derailleur Direct Mount B-Axle 2 Description: The Shimano Ultegra RD-R8050 Rear Derailleur Direct Mount B-Axle 2 is a factory replacement part that will replace a damaged or missing axle that is found on several Shimano road and gravel bike rear derailleurs. This B-Axle will attach the rear derailleur body to a direct mount style derailleur hanger or to a separate bracket axle unit that will join the conventional derailleur hanger of a bicycle to the derailleur body. Features: Includes the b-axle Bracket axle unit, derailleur, and other hardware sold separately