Ultegra r8000 short cage rear mech with some sort of extended

The groupset offers two specific rear derailleurs: one for cassettes 11-25 and 11-30 and one for cassettes 11-28 and 11-34 securing a smooth ride in even the highest and steepest mountain areas. Due to the integrated Shadow RD Technology with its race-proven low profile design the derailleur is more compact and fits closer to the frame ensuring less damage in a crash.

Shimano Ultegra RD-R8000 Rear Derailleur / Short-Cage

Shimano ULTEGRA RD-R8000, 11 Speed, Long Cage

SHIMANO ULTEGRA RX Rear Derailleur 11-speed

Did the previous owner route the chain wrong? : r/mountainbiking

Hands On Bike: United Trifold: Saint Rear Derailleur and 10 Speed

SHIMANO ULTEGRA Short Cage Rear Derailleur 11-speed

Bike Bicycle Rear DERAILLEUR 5 6 7 Speed Short CAGE

Compatible Model : ST-R8000 ST-R8020 ST-R8025 R8000. Model : Ultegra R8000. The Ultegra R8000 Shadow design rear derailleur features wide link design

SHIMANO ULTEGRA RD-R8000-SS REAR DERAILLEUR 11 SPEED SHORT CAGE NEW

A fresh look at pulley design maximizing pulley size and improving pedaling performance for any derailleur. Redesigned shape of the pulley teeth now give better chain retention and accurate shifts every time. Updates to newest version include: Increased stiffness using A-Shaped pillars between the bearings and teeth, maximized tooth count for every derailleur helps deliver optimal drivetrain performance, and enhanced visual design achieves a more cohesive look across the different models.

Kogel Bearings 12/14t Oversized Pulley Set Shim R9100, Cross, Black - PUL-1214-9100-C

The medium cage rear derailleur is compatible with cassettes ranging from 11-28T and 11-34T securing a smooth ride in even the highest and steepest mountain areas. Due to the integrated Shadow RD Technology with its race-proven low profile design the derailleur is more compact and fits closer to the frame ensuring less damage in a crash.

Shimano Ultegra RD-R8000 - Rear Derailleur

Long Cage vs Short Cage Derailleurs - Which Do You Need