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  1. #1
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    Formula C1 brakes on Stumpy Comp ht

    What are your opinions on the formula C1 brakes on the new stumpy comp hard tail?

  2. #2
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    Formula C1 brakes on Stumpy Comp ht

    Crap. Swapping mine for XTs. Had to bleed them after 2 rides. Now it needs it again.


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    Vassago Verhauen SS
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    2014 Tarmac Elite

  3. #3
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    T1: brake power, ergonomic excellent, but the brake is crap, really. (Switched to shimano) (brake came on sj fsr expert as stock)

  4. #4
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    I'm very picky about my brakes and run XTRs and Saints on most bikes. I've tried the C1s on a 14 Epic that I borrowed for 2 months time and they have perform flawlessly. I'm impressed.

  5. #5
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    Just got my '14 SJ HT Evo...
    Front brake was wet around fitting to hose at lever. Tomorrow going to try to figure out what is up at this junction and why it won't hold a bleed.

    Not impressed. If it leaks/doesn't hold a bleed again I'm going to have SBC credit the LBS and try to just get some basic XT 785's. When I got this bike I had originally planned to not put any extra money into it (i have a horrible addiction to modifying!) besides basics like stem, pedals, then a 42t cog for poor mans 1X, but here now I am having to retrofit brakes. Garbage.
    Schralp it Heavy.

  6. #6
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    Thanks for the thoughts. My new stumpy is supposed to come in any day now. So pumped to try it out.

  7. #7
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    from Lapierre to Specialized I've only had issues with Formula brakes. Avid gave me headaches,Formula gave me real issues. XTRs took care of the problem nice and easy..
    '15 Tarmac Sworks
    '15 Canyon Spectral 8.9

  8. #8
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    Quote Originally Posted by Drea View Post
    I'm very picky about my brakes and run XTRs and Saints on most bikes. I've tried the C1s on a 14 Epic that I borrowed for 2 months time and they have perform flawlessly. I'm impressed.
    Mine have worked flawlessly on my 2014 Camber Comp Carbon as well and I've got over 500 miles on them.

  9. #9
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    Quote Originally Posted by Drea View Post
    I'm very picky about my brakes and run XTRs and Saints on most bikes. I've tried the C1s on a 14 Epic that I borrowed for 2 months time and they have perform flawlessly. I'm impressed.
    The Formula C1's have performed flawlessly for the better part of 2 years after an initial bleed of the RR shortly after I got my Stumpy Comp Carbon 29. Wrecked a few days ago and hyper-extended the handle from the reservoir cylinder and decided to replace with Shimano XT's. So far the XT's are crap compared to the Formulas. There seems to be way too much travel and much less stopping power with the Shimanos. A real let down so far, will do some more tweaking and report back... :\
    Last edited by Amazed; 05-28-2015 at 05:04 AM.

  10. #10
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    Crap. After a season and a half the seals on my front gave out. The brakes seem to be a closed system or very poor at dealing with heat, as they would pump up during descents and hard braking and require a few lever-pumps to reset, which leads to inconsistent brake engagement points and unpredictable performance. Shimano better in every way except for slightly greater weight, unless you get XTR.
    "It's only when you stand over it, you know, when you physically stand over the bike, that then you say 'hey, I don't have much stand over height', you know"-T. Ellsworth

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  11. #11
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    They came stock on my 14 Enduro 29. For me, the do have a good fit, feel and modulation....power is good unless they heat up. The bad, I have to bleed them about every two weeks(especially the rear) Honestly, I would continue to run them but the frustration of bleeding them all the time is wearing on me.

  12. #12
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    I'm going on a year an a half on mine now. Fairly aggressive use (Would not want them on an Enduro!)
    I hear you on the multiple bleeds. I do feel that mine are slightly improving with each bleed, though, which does help ease my original skepticism... Maybe the Pistons needed to be "excersized"...?

    Overall now, after my initial nonplussed experience, I do like the modulation and mid range power, but real hard grabs and brute power are not an attribute here.
    I still get the occassional "gobble of death" resonance. My pads are not contaminated either. Atleast it doesn't happen everytime.


    Anyone know an average weight for a front and rear lever/hose/caliper/pads?

  13. #13
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    C1 came stock on my 2014 E29er.

    I knew these breakes won't fit a bike like E29 , so I replaced it on LBS floor and went out the door with new SLX.

    SLX Works just great! Highly recmmended

    Mo.

  14. #14
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    I've been using the C1s on my 2014 camber evo for 15 months in the UK (wet and muddy 9 months of the year!) and I've had no problems with them.

    I was anticipating not getting on with them considering all the negative reviews, however I've been pleasantly surprised with the feel and reliability.

    Prior to the C1s I was using SLXs on my old bike, which were great; a much different lever feel.

    I've not had to bleed them yet despite lots of use and multiple pad changes. The real test will come once they need bleeding and how they perform after.

  15. #15
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    MY2014 camber evo, my front brake pulled to the bar on delivery, took it into the shop and they seemed to fix it.

    Two rides later it is back near the bar, so I bled it and in the garden it felt fine - nicely progressive then firm.

    Ten minutes into the next ride it is coming nearer to the bar. Further into the ride it was only just catching at the end of the lever travel.

    I suspect that the hose-MC joint is leaking but I don't want to be fixing a bike that has done less than 100 miles, so it is going back to the shop next week.

    Unsure if it is damage in transit, poor assembly or poor quality but I am not too happy at the moment.

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