The Ultegra R8150 front derailleur is more compact than ever and a real powerhouse. The derailleur shifts absolutely seamlessly between the chainrings and performs its shifting operations with digital precision in all conditions. The air resistance could also be reduced due to the reduced frontal attack area.
Technical specifications:
- Material: aluminum
- Design / operation: 2-fold, downswing, electronic Di2
- Fastening: soldering base or optional clamp
- Compatibility shift lever: Shimano ST-R8150, or ST-R8170
- Compatibility large chainring: 50-54 teeth
- Capacity: 2-fold with 14 to 16 teeth difference between the largest and smallest sheet
- Chain line : 44.5 mm
- Chain stay angle: 61 ° -66 °
- Color: black, silver,
Weight according to the manufacturer: 116g
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