- 10-speed Cassette Compatibility
- Braze-on mounting
- Average weight: 124g
Shimano DURA-ACE Di2 Front Derailleur FD-7970
The front derailleur contains the shifting logic and enables the shifters to stay in constant communication with the whole system. Front shifting is the most perfect front shift available today. With automatic micro-trim adjustments, the chain is kept perfectly aligned and quiet.