Dura-Ace 7800 VS Dura-Ace 7900 - Bike Forums
2010年10月21日 · Far better than 7800. 7800 rear shifting is amazingly good. Far better than 7900. 7900 wet braking is amazingly good. Far better than 7800. Everything else is a matter of aesthetics. If I HAD to use a cable-actuated system, my dream group would mix 7900's brakes and front shifting with 7800's rear shifting.
Bike Forums - Dura Ace 7700 and Dura Ace 7800
The Dura Ace and Ultegra level 10-speed cassettes that had deeper notches making them compatible with the taller splines on the 7800-series freehub bodies (and contemporary Ultegra and Dura Ace complete wheel sets) worked just fine with the shallower notches on the 7700-series Dura Ace and all other 8/9/10-speed Ultegra, 105, etc. freehubs.
Bike Forums - Dura-Ace 7800 VS Dura-Ace 7900
10-21-10 03:51 PM. 7800 vs 7900. Added carbon fiber and titanium, hidden cable routing through the bar tape, pierced holes in chain. Much nicer finish, maybe functional. Adjustable for-aft reach on the new shifters, stroke distance on right lever reduced by 25% = faster shifting. Pivot of lever has been moved to enhance braking modulation.
Dura Ace 9100 Front Derailleur Compatability - Bike Forums
2018年1月31日 · Everything is working just fine with the 7800 FD, I just want to "up grade" to the 9100. A Dura Ace 9100 front derailleur will not work with your current shifter, cable pull is not the same. Installed a new FD last night, not sure if I did it right. Bicycle Mechanics - Dura Ace 9100 Front Derailleur Compatability - My current drive train setup ...
Help with older Dura Ace components - Bike Forums
2017年5月25日 · Same thing with RDs- 7700-7800-7900 will all work with 9 or 10 speed applications, same cable pull. Shop around, try to find one with good jockey wheels; these RDs tend to scar just under the back knuckle when people lean them against a wall. All of the 7402/3-7700-7800-7900 brake sets work well but my preference is for polished 7700-7800 ones.
Super Hard to Press/Shift Brifter, Dura Ace 7700 - Bike Forums
2024年10月14日 · Super Hard to Press/Shift Brifter, Dura Ace 7700. Just bought this group set in great shape, but when I went to try the right shifter I found that it is very hard to shift in both directions and requires a lot more force compared to the left shifter and another pair of Ultegra 6500 shifters I have. Basically it takes way more strength than it ...
Bike Forums - Cassettes for Dura Ace 7800 hub?
2011年2月3日 · All Shimano 10-speed cassettes have deeper grooves to clear the taller splines on the 7800-series hubs and also work on older 8/9/10-speed hubs. SRAM 10-speed cassettes have the former depth grooves and will work on any 8, 9, or "standard" 10-speed hub but not on the 7800 or the 10-speed only Dura Ace and Ultegra pre-built wheel sets.
Bike Forums - SRAM Red vs. Dura Ace 7800
2009年3月10日 · I would pay more for a 7800 Dura Ace crank than I would for a Red crank. It's stiffer. It shifts better. There's really not much comparison. And I'm not the only one who says the SRAM Rival crank is better than the Red crank. (But I still put 7800 head-and-shoulders above Rival's crank. I own and ride both just about every week.)
WH-6600 Hub - Bike Forums
2017年9月2日 · That wheel's hub, and it's Dura Ace contemporary hub and prebuiit wheel (HB-7800 and WH-7800), used a different freehub and hub bearing design than any other Shimano freehub before or since. The drive side bearings were inboard of the freehub body, not at the outer end of the body, and these bodies are unique to these hubs.
Trek Portland 2007 upgrades - Bike Forums
2018年3月13日 · Trek Portland 2007 upgrades. Looking to upgrade components to my trusty old Trek Portland. It has stock equipment Rear derailer 105 (5800?) Front derailer ultegra (not sure what model) and 105 shifters. Found some good dura ace 7803 shifters to upgrade with, but do i need to upgrade the derailer (s) as well? Thanks!
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