SHIMANO RD-R8150 REAR DERAILLEUR ULTEGRA DI2 12 SPEED musette Control all of Zwift without

Control all of Zwift without ever taking your hands off the bars

and it's compatible with SWAT™ solutions for tool and storage integration

Carbon frame and clean-looking cockpit

6 * 88 * 67

SHIMANO RD-R8150 REAR DERAILLEUR ULTEGRA DI2 12 SPEED musette Control all of Zwift withoutSKU Description Our fastest ever rear shifting, 58% faster than RD R9150 LED status indicator Battery indicator Pairing Adjust mode, etc. Wider range capacity Max. low sprocket: 34T Product Description With our fastest, most accurate shifting, the new 12 speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28 34T low sprockets.