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  1. #1
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    Ultegra 6700 vs 6800

    I have a caad10 with tektrics or whatever the brake name is called, I have installed an ultegra 6700 crank - but would like to know if I should replace these brakes with ultegra 6700 or 6800?

    As far as I see three differences pop up: 1. the price difference 2. the weight difference 3. the shape difference.

    But can anyone give me their opinion which one to go with? I'm pretty sure performance is the same or I might be wrong...Thanks anyway.

  2. #2
    Senior Member spectastic's Avatar
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    tektro? nah, don't replace them, not worth it.
    1

  3. #3
    Senior Member dvdslw's Avatar
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    My CAAD10 came with Ultegra 6700 brakes and it's stopping power far exceceds my expectations being a 230lb rider. Either would be a good choice, spec out very similar, and be an upgrade from Tektro's for sure. I'd probably go with the 6700's only because the color scheme should match your crank and it's always nice to see a matched set of components.
    Last edited by dvdslw; 03-12-14 at 10:07 AM. Reason: spelling

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    L-I-V-I-N dtrain's Avatar
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    I have some mint 6700 calipers that end on a certain auction site in about 12 hours...
    "The older you do get, the more rules they're gonna try to get you to follow. You just gotta keep livin', man, L-I-V-I-N." - Wooderson

    '11 Fuji SL - '04 Bianchi Imola - '99 Gary Fisher Big Sur

  5. #5
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    Quote Originally Posted by dtrain View Post
    I have some mint 6700 calipers that end on a certain auction site in about 12 hours...
    Inbox me

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    Senior Member kv501's Avatar
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    Quote Originally Posted by ChuBikes View Post
    I have a caad10 with tektrics or whatever the brake name is called, I have installed an ultegra 6700 crank - but would like to know if I should replace these brakes with ultegra 6700 or 6800?

    As far as I see three differences pop up: 1. the price difference 2. the weight difference 3. the shape difference.

    But can anyone give me their opinion which one to go with? I'm pretty sure performance is the same or I might be wrong...Thanks anyway.
    If you can lock up your front wheel on a descent and go over the bars, your brakes work well enough. In my opinion brakes are one of the least bang for the buck upgrades you can make. Kool stop pads will do more for you than going from Tektros to Ultegra.

  7. #7
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    Quote Originally Posted by kv501 View Post
    If you can lock up your front wheel on a descent and go over the bars, your brakes work well enough. In my opinion brakes are one of the least bang for the buck upgrades you can make. Kool stop pads will do more for you than going from Tektros to Ultegra.
    true, but some peoples OCD-ness overcomes them and it MUST be done. I can get like that myself.
    "You should never point a loaded *** at anyone. This is not a hard and fast rule, however. A hard and fast rule is that you should never, ever, point an unloaded *** at anyone." --P.J. O'Rourke

  8. #8
    Senior Member kv501's Avatar
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    Quote Originally Posted by bonz50 View Post
    true, but some peoples OCD-ness overcomes them and it MUST be done. I can get like that myself.
    I understand that completely. I bought a 5.9 Madone that had the stock Bontrager direct-mount brakes. I replaced them with DuraAce 9010's because 1) they're black and match the fork at that point, and 2) the Bontragers look cheap. I guarantee you I could stop in the same distance with either.

    I just meant that for strictly performance you will get more stopping power (and dollar value) out of aftermarket pads.

  9. #9
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    Quote Originally Posted by bonz50 View Post
    true, but some peoples OCD-ness overcomes them and it MUST be done. I can get like that myself.
    I'm one of those. Upgraded the stock brakes on my CAAD10 from Tektro to 105, just so the darn brakes would match the rest of the groupset. Totally worth it.

  10. #10
    Senior Member link0's Avatar
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    It's always worth it to MATCH.

  11. #11
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    6800 brakes are awesome... new design. better braking power.

  12. #12
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    Quote Originally Posted by TheSame View Post
    6800 brakes are awesome... new design. better braking power.
    I use the noodly Cane Creek BRS-200 brakes on a bike. Whenever I need more power, I just pull the lever harder. It's cheaper.

  13. #13
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    I'd go for the 6800 brake up front at least. I have one on my bike (upgraded from 5700) and I'm very impressed with the modulation and stopping power.

    IMO, it's important to change the brake cables every year. I find that braking power suffers as the cables age.

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    Quote Originally Posted by Jiggle View Post
    I use the noodly Cane Creek BRS-200 brakes on a bike. Whenever I need more power, I just pull the lever harder. It's cheaper.
    doesn't pulling harder work for all brakes?

  15. #15
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    For what it's worth on my '11 SuperSix the stock Tektro brakes worked kind of poorly, even with Koolstop pads, competent (pretty sure!) setup, cleaned rims, etc. Upgrading to 5700 in the front (which matches my drivetrain) resulted in amazingly fantastic brake performance. I think maybe the Tektros weren't really designed for the redesigned cable pull of the 5700 levers? I use my rear brake a lot less and the stock Tektro does fine there--for scrubbing a little speed in turns I was a little over enthusiastic about, and to alternate onto during long descents.

    From what I understand, 6700 and 6800 are cross compatible for brakes, and 6800 is meaningfully redesigned for greater braking force. Funny enough, 6800 calipers are actually heavier than 6700 and 5700.

    I'd pick between 6700 and 6800 in your case mostly on price and availability. Maybe if you ride in the rain frequently err towards 6800, but 6700 should stop really, really well.

  16. #16
    Texas Tornado copswithguns's Avatar
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    I have 6800 everything. Replaced the Axis 2.0 brakes that came on my Roubaix with 6800 crank and brakes so everything matched. Very good brakes.
    "Speed never killed anyone. Suddenly becoming stationary...Now that's what gets you." -Jeremy Clarkson

  17. #17
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    I would do the 6800's. I bought some and the price was so close IMO a no brainer.

  18. #18
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    6800 braking is awesome. Can't speak to 6700.
    Every time that wheel turn 'round,
    Bound to cover just a little more ground!

  19. #19
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    I replaced my perfectly good 5700 brakes with 6800. I prefer my bikes to have the entire matching groupset if possible. Itís a hobby, so it doesnít have to make sense! Do what makes you happy.

  20. #20
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    Quote Originally Posted by warpdrive View Post
    I replaced my perfectly good 5700 brakes with 6800. I prefer my bikes to have the entire matching groupset if possible. It’s a hobby, so it doesn’t have to make sense! Do what makes you happy.
    Amen! It's a hobby!

  21. #21
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    Quote Originally Posted by cpach View Post
    From what I understand, 6700 and 6800 are cross compatible for brakes, and 6800 is meaningfully redesigned for greater braking force. Funny enough, 6800 calipers are actually heavier than 6700 and 5700.
    According to Shimano tech docs BR-6800 brakes are not compatible with 6700 shifters. Strangely enough they are compatible with 5700 shifters. Now, granted these are brakes, so there can't be all that much difference.

  22. #22
    Senior Member aubiecat's Avatar
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    Quote Originally Posted by warpdrive View Post
    I replaced my perfectly good 5700 brakes with 6800. I prefer my bikes to have the entire matching groupset if possible. It’s a hobby, so it doesn’t have to make sense! Do what makes you happy.
    This is true. I will be replacing perfectly good Ultegra 6800 components some day soon with Ultegra Di2 components. Why ? Because I can.

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