The Shimano Ultegra Di2 FD-R8150 Front Derailleur provides quicker shifting than ever before; changing gears 45% faster than the previous Di2 generation. At 116 grams, this light derailleur is faster uphill and, with a reduced frontal area, it’s also more aero.
Features:
- Fastest ever front shifting, 45% faster than FD-R9150
- Smaller, sleeker, lighter
- Frontal area reduced by 33%
- Weight cut to 116g
- Top gear teeth capacity: 50-54T












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