SHIMANO RD-R8000 ULTEGRA 11-SPEED GS REAR DERAILLEUR has_product_type The world's first plastic-free bike

The world's first plastic-free bike cleaner

Mount: QuickConnectTM

bar thickness: 10 - 20 mm

For Manitou Mezza (and similar reverse fork arch forks) you will need to drill 4 small holes to align with the reverse fork brace

SHIMANO RD-R8000 ULTEGRA 11-SPEED GS REAR DERAILLEUR has_product_type The world's first plastic-free bikeThe new Ultegra R8000 series is taking our rider tuned philosophy to the next level, with an extensive range of components for mechanical shifting, electronic shifting (Di2) and time trial triathlon. Features Shimano Ultegra 2x11 speed Rear Derailleur RD R8000 GS Ultegra Shadow design rear derailleur with wide link design gives quick accurate shifts and excellent drivetrain efficiency Sleek appearance with Low profile Shadow design construction