Rear Der Shimano R8150 Ultegra Di2 12-Speed Black/Grey

Enhance your ride

A 12-speed rear derailleur that packs in Shimano's fastest, most precise shifting, without braking the bank.

With Shimano's fastest, most accurate shifting, the new 12-speed Ultegra R8150 rear derailleur is more versatile thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes.

Key Features

• Shimano's fastest-ever rear shifting, 58% faster than Dura-Ace R9150 rear derailleur
• Compact design includes an integrated wireless unit, charger, switch
• LED status indicator displays battery information, pairing, adjust mode, and more
• Wider range capacity, up to 34t cog
• Includes TL-EW300 cable plug tool

Features

Shimano Ultegra Di2

Ultegra Di2 R8100 is Shimano's most inspired drivetrain, packed with innovative, game-changing features. HYPERGLIDE+ technology allows for crisp, seamless shifts both up and down the gear range, even during maximal efforts. The new Di2 shifting system introduces Shimano's exclusive wireless integrated circuit, and the move to a 12 speed cassette ensures you have all the gearing you need. Ergonomics and aerodynamics have been enhanced at every turn, and you can set up the drivetrain just the way you like it via Shimano’s user-friendly E-Tube app.

Specifications