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  1. #1
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    Need RD suggestion (Altus broke)

    I somehow got my RD caught up in my spokes on my Diamondback Response, bending the hanger and the sprocket plate coming off the derailleur.

    It seems like I might as well spend a couple of extra bucks and get an upgraded RD. The bike has a 7-speed freewheel rear hub. I was thinking I'll get a Deore of some kind, but there are SO many options out there. I looked around on BikesDirect and saw that some of their lower-level Deore-equipped bikes use the M591.

    So is the M591 a good replacement RD? They're about 40 bucks on eBay. Should I be looking at anything else?

    Also, will I need any other parts? Will my existing shifter work OK?

  2. #2
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    Just make sure that it is a 7spd, I'm not sure if 8spd will work and I am sure the 9-10spd will not work. If you can, look at an eight speed upgrade. If not, the Deore will be fine.

    Mark
    2012 XXL Carve Expert

  3. #3
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    9 speed will work.
    10 speed will not work.
    Duct tape iz like teh Force. It has a Lite side and a Dark side and it holdz the Universe together.

  4. #4
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    I stand corrected, thanks Mitz.

    Mark
    2012 XXL Carve Expert

  5. #5
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    Quote Originally Posted by mitzikatzi View Post
    9 speed will work.
    10 speed will not work.
    So the M591 will work?

    To add another wrinkle, I now have integrated shifter/brake levers. I'm upgrading to hydraulic brakes. I'll need to get new shifters. Does it make sense to get a SRAM RD if I get SRAM 3x7 shifters or does it not matter?

  6. #6
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    Any other comments? Thanks again.

  7. #7
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    You can go with SRAM X3 3x7 shifters and SRAM X3 7-speed rear derailleur. Very cheap but solid stuff. You don't need to change your front derailleur. Which hydraulic brakes are you going to get?

  8. #8
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    M596 brakes. Would there be some advantage to using SRAM instead?

    Looks like my options for 3x7 shifters are X3 or Acera. Price is about the same. For the RD I can do Deore or SRAM x3/5/7. I'm inclined to go Deore and Acera because I can get those on Amazon Prime.

    Would that work? The M591 RD with Acera M310 shifters? Or would the x3 combo be better?

  9. #9
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    Here's what I'm looking at:

    Shimano setup:
    RD-M591 Deore RD $47
    http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER
    SL-M310 Acera shifters $14/each
    Shimano Acera SL-M310 Rapid Fire Shifter, Right (Black, 7-Speed) : Amazon.com : Sports & Outdoors

    Looks like I'm stuck at the Acera/X3 level with my 7-speed rear hub. I could do the X3 shifters and X3/4/5 RD if there's a good reason, but I'd have to get the shifters from eBay and wait longer for them to come in.

  10. #10
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    Shimano Deore M596 are incredible brakes, you won't be sorry. For the drivetrain I'd go with X3 shifters/X3 rear d. or Acera/Acera. There is no need for Deore/X5 rear d. if you're on a budget. Also 7 speeds are enough for basically everything.

  11. #11
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    Thanks.

  12. #12
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    I agree with the M596 brakes, they are great. On the rear derailleur, another option is the Deore M592 Shadow or M662 SLX. Both work fine with 7-9 speed, have a fixed b-pivot like SRAM, bounce around less than the Acera - Deore M591 (any Shimano with a spring loaded b-pivot). On my 8/9 speeds, I find the M592 great. Here is a link if your interested:
    Shimano Deore M592 SGS Shadow Derailleur > Components > Drivetrain > Rear Derailleurs | Jenson USA Online Bike Shop
    If you spend 1 more cent, it will ship for free.

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