Overview
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
- Fastest ever front shifting, 45% faster than Dura-Ace R9150 front derailleur
- Smaller, sleeker, lighter design scales in under 120g
- Front area reduced by 33% for enhanced aerodynamics
- Top gear teeth capacity: 50t - 54t
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