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Help, rear derailleur

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01 / Original postHelp, rear derailleurLSMike · 25 Jul 2005 02 / This pagePosts 1–11Page 1 of 1 · chronological order 03 / Latest replyPost #11Simon Brooke · 25 Jul 2005

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Original section
UK and Europe
Published
25 July 2005
Last activity
25 July 2005
Original author
LSMike
Posts
11
Discussion status
Public discussion
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559
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0
Topics
Rear derailleursFront derailleurs

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  1. Original post
    LSMike
    Archived post
    #1

    I bought a new rear derailleur for my 'bent, and it seems to spring the
    wrong way.

    The original has Deore XT marked on it (I think circa 2001), and it's like
    my Specialized hybrid, the spring pulls the deraileur towards the little
    sprocket. The new one pulls in the opposite direction, towards the big one.
    The springs go to different sides of the parallelogram. The one I bought is
    a Shimano RDM760SGS

    I'm confused, help! Should I buy a different one and return this one, or
    should I just run the right SRAM gripshifter so it works in the opposite to
    normal way?

    Report
  2. Pete Biggs
    Archived post
    #2
    LSMike said:

    I bought a new rear derailleur for my 'bent, and it seems to spring
    the wrong way.

    The original has Deore XT marked on it (I think circa 2001), and it's
    like my Specialized hybrid, the spring pulls the deraileur towards
    the little sprocket. The new one pulls in the opposite direction,
    towards the big one. The springs go to different sides of the
    parallelogram. The one I bought is a Shimano RDM760SGS

    You have the "Rapid Rise" version. A standard version is available: M750:
    www.chainreactioncycles.com/Categories.aspx?CategoryID=153

    Quoted message said:

    I'm confused, help! Should I buy a different one and return this
    one, or should I just run the right SRAM gripshifter so it works in
    the opposite to normal way?

    Whichever you prefer.

    ~PB

    Report
  3. Pete Biggs
    Archived post
    #3
    LSMike said:

    I bought a new rear derailleur for my 'bent, and it seems to spring
    the wrong way.

    The original has Deore XT marked on it (I think circa 2001), and it's
    like my Specialized hybrid, the spring pulls the deraileur towards
    the little sprocket. The new one pulls in the opposite direction,
    towards the big one. The springs go to different sides of the
    parallelogram. The one I bought is a Shimano RDM760SGS

    You have the "Rapid Rise" version. A standard version is available: M750:
    www.chainreactioncycles.com/Categories.aspx?CategoryID=153

    Quoted message said:

    I'm confused, help! Should I buy a different one and return this
    one, or should I just run the right SRAM gripshifter so it works in
    the opposite to normal way?

    Whichever you prefer.

    ~PB

    Report
  4. David Martin
    Archived post
    #4
    Pete Biggs said:
    LSMike said:

    I bought a new rear derailleur for my 'bent, and it seems to spring
    the wrong way.

    The original has Deore XT marked on it (I think circa 2001), and it's
    like my Specialized hybrid, the spring pulls the deraileur towards
    the little sprocket. The new one pulls in the opposite direction,
    towards the big one. The springs go to different sides of the
    parallelogram. The one I bought is a Shimano RDM760SGS

    You have the "Rapid Rise" version. A standard version is available: M750:
    www.chainreactioncycles.com/Categories.aspx?CategoryID=153

    Quoted message said:

    I'm confused, help! Should I buy a different one and return this
    one, or should I just run the right SRAM gripshifter so it works in
    the opposite to normal way?

    Whichever you prefer.

    return the 'Rapid Rise'. They are [censored] and IME prone to failure
    (warning: rule 1 applies[1])
    get the correct one and then it will work properly with your gripshift.

    ...d

    [1] Statistical data collection.
    1. for unambiguous results, only collect one data point.
    2. For a straight line, only collect two data points.

    Report
  5. David Martin
    Archived post
    #5
    Pete Biggs said:
    LSMike said:

    I bought a new rear derailleur for my 'bent, and it seems to spring
    the wrong way.

    The original has Deore XT marked on it (I think circa 2001), and it's
    like my Specialized hybrid, the spring pulls the deraileur towards
    the little sprocket. The new one pulls in the opposite direction,
    towards the big one. The springs go to different sides of the
    parallelogram. The one I bought is a Shimano RDM760SGS

    You have the "Rapid Rise" version. A standard version is available: M750:
    www.chainreactioncycles.com/Categories.aspx?CategoryID=153

    Quoted message said:

    I'm confused, help! Should I buy a different one and return this
    one, or should I just run the right SRAM gripshifter so it works in
    the opposite to normal way?

    Whichever you prefer.

    return the 'Rapid Rise'. They are [censored] and IME prone to failure
    (warning: rule 1 applies[1])
    get the correct one and then it will work properly with your gripshift.

    ...d

    [1] Statistical data collection.
    1. for unambiguous results, only collect one data point.
    2. For a straight line, only collect two data points.

    Report
  6. LSMike
    Archived post
    #6

    "David Martin" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:
    Pete Biggs said:


    You have the "Rapid Rise" version. A standard version is available:
    M750:
    www.chainreactioncycles.com/Categories.aspx?CategoryID=153

    Quoted message said:

    I'm confused, help! Should I buy a different one and return this
    one, or should I just run the right SRAM gripshifter so it works in
    the opposite to normal way?

    Whichever you prefer.

    return the 'Rapid Rise'. They are [censored] and IME prone to failure
    (warning: rule 1 applies[1])
    get the correct one and then it will work properly with your gripshift.

    ..d

    [1] Statistical data collection.
    1. for unambiguous results, only collect one data point.
    2. For a straight line, only collect two data points.

    Thanks both of you, I've decided to return them. I'd rather have my bike
    work the way I'm used to, and the Chain reaction link is pretty cheap
    compared to wiggle, worth the return postage anyway. Next time I'd better
    do my research a little more carefully, oops!

    Report
  7. LSMike
    Archived post
    #7

    "David Martin" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:
    Pete Biggs said:


    You have the "Rapid Rise" version. A standard version is available:
    M750:
    www.chainreactioncycles.com/Categories.aspx?CategoryID=153

    Quoted message said:

    I'm confused, help! Should I buy a different one and return this
    one, or should I just run the right SRAM gripshifter so it works in
    the opposite to normal way?

    Whichever you prefer.

    return the 'Rapid Rise'. They are [censored] and IME prone to failure
    (warning: rule 1 applies[1])
    get the correct one and then it will work properly with your gripshift.

    ..d

    [1] Statistical data collection.
    1. for unambiguous results, only collect one data point.
    2. For a straight line, only collect two data points.

    Thanks both of you, I've decided to return them. I'd rather have my bike
    work the way I'm used to, and the Chain reaction link is pretty cheap
    compared to wiggle, worth the return postage anyway. Next time I'd better
    do my research a little more carefully, oops!

    Report
  8. Peter B
    Archived post
    #8

    "LSMike" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

    Thanks both of you, I've decided to return them. I'd rather have my bike
    work the way I'm used to, and the Chain reaction link is pretty cheap
    compared to wiggle, worth the return postage anyway. Next time I'd better
    do my research a little more carefully, oops!

    As an aside, I ordered the incorrect version of an XT front mech from
    Chainreaction and their service regarding telephone advice, sending the
    correct replacement item and issuing a credit for my returned one was
    superb.
    Next time I too will seek their advice before ordering if in doubt.
    --
    Pete
    http:[email hidden]/P

    Report
  9. Peter B
    Archived post
    #9

    "LSMike" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

    Thanks both of you, I've decided to return them. I'd rather have my bike
    work the way I'm used to, and the Chain reaction link is pretty cheap
    compared to wiggle, worth the return postage anyway. Next time I'd better
    do my research a little more carefully, oops!

    As an aside, I ordered the incorrect version of an XT front mech from
    Chainreaction and their service regarding telephone advice, sending the
    correct replacement item and issuing a credit for my returned one was
    superb.
    Next time I too will seek their advice before ordering if in doubt.
    --
    Pete
    http:[email hidden]/P

    Report
  10. Simon Brooke
    Archived post
    #10

    in message <[email hidden]>, LSMike

    (') said:

    I bought a new rear derailleur for my 'bent, and it seems to spring the
    wrong way.

    The original has Deore XT marked on it (I think circa 2001), and it's
    like my Specialized hybrid, the spring pulls the deraileur towards the
    little
    sprocket. The new one pulls in the opposite direction, towards the big
    one.
    The springs go to different sides of the parallelogram. The one I
    bought is a Shimano RDM760SGS

    It's 'Rapid Rise', which is a marketing gimmick allegedly arising out of
    Shimano's titanium sprockets being too bendy to cope with a conventional
    derailleur. It has the mild saving grace that changing up on both
    derailleurs requires the same control action. In my opinion the best
    option is to return it and get another make.

    --
    [email hidden] (Simon Brooke) http://www.jasmine.org.uk/~simon/
    Just as defying the law of gravity through building aircraft requires
    careful design and a lot of effort, so too does defying laws of
    economics. It seems to be a deeply ingrained aspect of humanity to
    forever strive to improve things, so unquestioning acceptance of a
    free market system seems to me to be unnatural. ;; Charles Bryant

    Report
  11. Simon Brooke
    Archived post
    #11

    in message <[email hidden]>, LSMike

    (') said:

    I bought a new rear derailleur for my 'bent, and it seems to spring the
    wrong way.

    The original has Deore XT marked on it (I think circa 2001), and it's
    like my Specialized hybrid, the spring pulls the deraileur towards the
    little
    sprocket. The new one pulls in the opposite direction, towards the big
    one.
    The springs go to different sides of the parallelogram. The one I
    bought is a Shimano RDM760SGS

    It's 'Rapid Rise', which is a marketing gimmick allegedly arising out of
    Shimano's titanium sprockets being too bendy to cope with a conventional
    derailleur. It has the mild saving grace that changing up on both
    derailleurs requires the same control action. In my opinion the best
    option is to return it and get another make.

    --
    [email hidden] (Simon Brooke) http://www.jasmine.org.uk/~simon/
    Just as defying the law of gravity through building aircraft requires
    careful design and a lot of effort, so too does defying laws of
    economics. It seems to be a deeply ingrained aspect of humanity to
    forever strive to improve things, so unquestioning acceptance of a
    free market system seems to me to be unnatural. ;; Charles Bryant

    Report

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