Shimano

* Spring type: Top Normal * Min sprocket: 11T * Max sprocket: 28T * Front difference: N/A for single chainring only * Total capacity: 17T * For folding bikes with a minimum 16'' wheel * -03: adapter; -04: direct mount

* Shadow Plus RD* Min. sprocket: 11* Max. sprocket: 28 (DH) / 36 (Freeride)* For single chainring* Total capacity: 25* Shimano 10-speed Dyna-Sys drivetrain

* Min. sprockets: 11* Max. sprockets: 28* Total capacity: 37T* Compatible with double and triple cranksets* -01: adapter; -02: direct mount

Compact SHADOW profileMin sprocket: 11TMax sprocket: 34TMax front difference: 22TTotal capacity: 45T

 Compatible 9 vitesses- Direct mount- Reverse spring- Wide design- Maximum rear sprocket: 34T

* Shadow Plus RD * Min. sprocket: 11 * Max. sprocket: 28 (DH) / 36 (FR), mode converter * For single chainring * Total capacity: 25 * Sealed pulley bearings * Shimano 10-speed Dyna-Sys drivetrain

Updated with a SHIMANO SHADOW RD design, the SHIMANO ULTEGRA 8000 rear derailleur offers a sleek appearance and optimal shifting performance. The RD-8050 DI2 rear derailleur delivers the digital precision of shifting and SHIMANO’s Synchro-Shift system.

Rear derailleur  10 vitesses  SS short cage  Direct mount  Carbon guide pulley  Maximum rear sprocket 28T  166g