Shimano Dura Ace 7900 Front Derailleurs
The Dura Ace 7900 front derailleur is now more efficient thanks to a stiffer and wide link design. The plates have been redesigned to eliminate the need for a trim function.
- Redesigned plate profile eliminates the need to trim
- Optimum spring tension
- Published weight 67 grams braze-on
- Capacity: 16T
- Crank-FD Type: Road Double, Road Compact
- Max Ring: 53T
- Chain Compatibility: Shimano 10, SRAM 10
Compatible with Shimano 7900 Dura Ace STI levers only
PROS: Durable, Lightweight, Precise Shifting, Enhances Pedaling Efficiency, Easy To Install
PROS: Brand, Accurate
When I acquired my DuraAce 7900 front derailleur, I also got the 7900 shifters and rear derailleur, as well. Setting up the rear derailleur was an absolute dream. Impossibly easy and a delight to ride.
Setting up the front, however — and I fancy myself a pretty adept wrench — was really tricky. Finding the right balance between cable tension at the binder bolt as well as the adjusting barrel on the frame was a bit maddening. My chain would either rub on the granny gear or on the monster gear.
It took many adjustment and ride sessions, but once it was dialed, all I can say is "wow." There is NO need to trim adjustment, which is a dream come true for front shifting. Once you're shifted on the ring, you can shift with abandon on the rear cassette without any chain rub.
And the shifts themselves are smooth, instant, and remarkably quiet.
PROS: beautiful build quality, Featherweight, Effortless Front Shifts
CONS: Tricky Set-up
BEST USES: Racing, Fast recreational riding
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