Product Details

The Shimano Ultegra RD-R8150 12-speed rear derailleur not only provides the fastest and most precise shifting performance on the market, but is also more flexible than ever before. Available in one cage length, the rear derailleur is now compatible with 11-34T and also 11-30T cassettes. The compact rear derailleur contains the wireless unit, the charger and the mode button.

• FULLY CUSTOMISABLE
  • The drive can be adapted to the rider's preferences via the E-TUBE app
  • Among other things, the shift speed can be set, a fully or semi-synchronous shift mode can be selected and the programme buttons on the gear lever can be assigned specific functions
• Our exclusive wireless protocol increases shifting speed without sacrificing any of the shifting precision and reliability Shimano is known for
• Fast, jerk-free shifting for responsive acceleration at any speed
• Low profile rear derailleur design
• SHIMANO SHADOW RD
• Race endurance for less damage in crush
• Maintains compact and smooth appearance
• Mount type: Direct Mount
• Max. teeth large sprocket: 34T
• Average weight: 262 g

About Shimano
Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.