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  1. #1
    Senior Member mtalinm's Avatar
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    important to use Capreo derailleur with hub & cassette?

    Just put 451 wheels on my folder with a Shimano Capreo hub and 9-speed cassette. Matched these with a 105 rear derailleur, which mostly works okay but seems to not quite fit...when downshifting, one of the jockey wheels seems to tuck inside the body and sit on the smallest cog, keeping the chain from moving down.

    Tweaking the b-screw didn't do anything, so I am wondering whether a Capreo rear derailleur might fix that.

    Anyone had experience mixing and matching these?
    Trek Domane 4.5 (commute/distance), Specialized Roubaix (climber), Xootr Swift (winter/travel), Trek Soho (around town)

  2. #2
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    Sheldon states that the Capreo rear derailleur isn't special, it's just branding (as are the crank and front shifter and brakes).

  3. #3
    Senior Member mtalinm's Avatar
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    Thank you Feijai.
    Trek Domane 4.5 (commute/distance), Specialized Roubaix (climber), Xootr Swift (winter/travel), Trek Soho (around town)

  4. #4
    Eschew Obfuscation SesameCrunch's Avatar
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    My understanding is that Capreo derailleurs provides more of a wrap around the cogs, which help with the smaller 9t cogs. I don't know for sure.

    I have used a regular Campy Veloce with a Capreo, and it appeared to work fine. I did that for about 9 months. Then saw a good deal on a Capreo derailleur and switched it out.

  5. #5
    Part-time epistemologist invisiblehand's Avatar
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    Quote Originally Posted by SesameCrunch View Post
    My understanding is that Capreo derailleurs provides more of a wrap around the cogs, which help with the smaller 9t cogs. I don't know for sure.

    I have used a regular Campy Veloce with a Capreo, and it appeared to work fine. I did that for about 9 months. Then saw a good deal on a Capreo derailleur and switched it out.
    I've never even seen a Capreo derailer.

    I thought that it was designed with a single chainring in mind, a shorter tension pulley, and more clearance with the ground. Notice the low capacity. But see the aforementioned sentence before putting too much weight into the statement. I wouldn't put it past Shimano to simply label the capacity at the Capreo default rather than a true maximum.

  6. #6
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    My Capreo equipped 451 Pacific Reach Road comes stock with Tiagra short cage .. 53/39-9/26 .. also running Ultegra short cage on another ..

  7. #7
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    I swapped out my Capreo equipped 451 Pacific Reach Road Tiagra short cage to a X-9 Shimano short cage running a single 48 tooth front no problem.

  8. #8
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    Design differences.

    Quote Originally Posted by invisiblehand View Post
    I thought that it was designed with a single chainring in mind, a shorter tension pulley, and more clearance with the ground. Notice the low capacity. But see the aforementioned sentence before putting too much weight into the statement. I wouldn't put it past Shimano to simply label the capacity at the Capreo default rather than a true maximum.
    I wanted to mention, for the benefit of anyone stumbling on this thread in the future, that my experience is that the Capreo derailleur *is* different. It's definitely got less capacity than a standard long cage, because as various posters have said it's designed for a single front ring. However, my bike shop tell me they've recently released a mid-cage version. I'm running 53-38 up front and the standard 9-26 at the back, and the (new slightly larger-capacity) Capreo shifter is (just) ok despite being over capacity. I had problems with skipping in the top gear which have lessened hugely now that I've got the right shifter (was using a Tiagra before).

  9. #9
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    My wifes Bike Friday uses a Capreo hub with a Deore rear deraileur. Works as good as any other bike we own or maybe slightly better. Roger

  10. #10
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    While researching the BD-1 it became apparent that the Capreo setup was extensively used on them. With an eye on future upgrades I began researching Capreo. What I found was that the derailleur, shifter, and hub are designed to work as a unit. While physically possible to swap in other bits, they may or may not play nice.

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