The new, improved ULTEGRA FD-R8150 2x12 Di2 front derailleur tips the scales at 110 grams, and it shifts exceptionally fast. Its frontal area has been reduced, decreasing its aerodynamic drag significantly.
- Super fast shifting
- Better aerodynamics, thanks to its frontal area reduced by 33%
- Weight cut to 110 g
- Top gear teeth capacity: 50-55T
Specs
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