Ultegra RD-R8000 Rear Derailleur

The Shimano Ultegra RD-R8000 Rear Derailleur delivers dependable, precise shifting for riders who expect consistent performance from their drivetrain components. Offered in two configurations to suit different gearing needs, this rear derailleur is a solid choice for those building or upgrading a road or endurance bike.

• Available in Short Cage (35-tooth chain wrap capacity, max 30-tooth largest cog) or Medium Cage (39-tooth chain wrap capacity, max 34-tooth largest cog) options.
• Choose the Short version for tighter cassette ranges, or the Medium version for wider gearing that includes larger climbing cogs.
• Designed as a rear derailleur component compatible with Shimano's Ultegra groupset—ideal for replacing or refreshing your current setup.
• Engineered with Shimano's attention to smooth actuation and reliable chain management across gears.