false
/equipment/cycling-components/bike-derailleurs/shimano-ultegra-r8150-braze-on-front-derailleur/p/36617/
  • home
  • Equipment
  • Cycling components
  • Bike derailleurs
  • Shimano Ultegra R8150 Braze-On Front Derailleur
  • Shimano Ultegra R8150 Braze-On Front Derailleur
Overview

Enhance your ride

Combining Shimano's new Di2 platform and the road incarnation of Hyperglide+, the Ultegra R8150 Braze-On Front Derailleur shifts between chainrings with the fastest, most seamless action on the market.

Product details

  1. Fastest ever front shifting, 45% faster than Dura-Ace R9150 front derailleur
  2. Smaller, sleeker, lighter design scales in under 120g
  3. Front area reduced by 33% for enhanced aerodynamics
  4. Top gear teeth capacity: 50t - 54t
Features Specs
Sizing Service Reviews
  • Shop

    • Road bikes
    • Mountain bikes
    • Hybrid bikes
    • Electric bikes
    • Electra bikes
    • Men's bikes
    • Women's bikes
    • Equipment
    • Apparel
    • Sale
    • Customize
    • How to buy online
    • Trek bike finder
    • Find a bike shop
    • Bike tours
  • Inside Trek

    • Heritage
    • Technology
    • Racing
    • Social responsibility
    • Stories
    • Work at Trek
    • Podcast
  • Support

    • Customer service
    • Returns
    • Warranty
    • Bike basics & safety
    • Shipping & delivery
    • Home delivery
    • How to shop safely
    • Bike sizing & fit guides
    • Manuals & user guides
    • Product support
    • Contact us
    • Newsletter signup
    • Bike archive
    • Suspension calculator
    • Bike registration
  • Legal

    • Privacy policy & terms of use
    • Accessibility
    • Cookie policy
    • California Transparency Act
    • Recalls
  • United States / English

  • © Trek Bicycle Corporation 2023