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Rear disc brake on 2001 Klein Attitude?

Started by Rocketman · · Last activity · 8 posts · 1,867 views

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Mountain Bikes
Published
6 January 2004
Last activity
10 January 2004
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Rocketman
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  1. Since I bought a spare disc-ready wheelset, I thought maybe I'd give front and rear disc brakes a
    try. My 2001 Klein Attitude has a 22mm (Hayes) mount for a rear disc caliper (same as Trek). I was
    planning to get an A2Z 22mm to 51mm adapter plate. Has anybody here tried the A2Z adapter on a Klein
    (or Trek) hardtail? A Hayes 22mm hydraulic caliper with hose and lever is $150+. Is there a
    cheaper/better option? What do you guys suggest?

    Even if I do get the caliper issue sorted, the frame has no braze-ons for hydraulic hose routing.
    So, that means using some klugey stick-on housing guides that will muck-up the sleek looks of my
    Klein (which has internal cable routing - a big selling point). I suppose routing the hoses under
    the downtube and rear chainstay would be fairly stealthy; but it's still a kluge. Arrgh. The
    European version of the Klein Attitude was available from the factory with disc brakes. How did they
    route the hoses? (Photos would be helpful if you know of any.)

    I dunno. I'm thinking it's too much hassle and expense to go with rear discs. I might just stick
    with a rear V-brake and front disc. It works pretty good as-is, and keeps a lot of $$$ in my pocket.

    Ideas?

    Rocketman

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  2. Rocketman said:

    How did they route the hoses? (Photos would be helpful if you know of any.)

    Looks like the hoses are just routed internally as well. Why cant you do this?

    vanherwerden.nlklein attitude race 28 inch.jpg

    Although this guy has routed his outside.

    www2.odn.ne.jpimg051.jpg

    Quoted message said:

    Ideas?

    Go with mech discs, like Avids, using your old inners and outers.

    --
    Matt

    Fear of a flat planet

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  3. Rocketman said:

    Since I bought a spare disc-ready wheelset, I thought maybe I'd give front and rear disc brakes a
    try. My 2001 Klein Attitude has a 22mm (Hayes) mount for a rear disc caliper (same as Trek). I was
    planning to get an A2Z 22mm to 51mm adapter plate. Has anybody here tried the A2Z adapter on a
    Klein (or Trek) hardtail? A Hayes 22mm hydraulic caliper with hose and lever is $150+. Is there a
    cheaper/better option? What do you guys suggest?

    Even if I do get the caliper issue sorted, the frame has no braze-ons for hydraulic hose routing.
    So, that means using some klugey stick-on housing guides that will muck-up the sleek looks of my
    Klein (which has internal cable routing - a big selling point). I suppose routing the hoses under
    the downtube and rear chainstay would be fairly stealthy; but it's still a kluge. Arrgh. The
    European version of the Klein Attitude was available from the factory with disc brakes. How did
    they route the hoses? (Photos would be helpful if you know of any.)

    I dunno. I'm thinking it's too much hassle and expense to go with rear discs. I might just
    stick with a rear V-brake and front disc. It works pretty good as-is, and keeps a lot of $$$ in
    my pocket.

    Ideas?

    Rocketman

    I have a Klein Adept Pro ( FS ) from 2001. I don't know how they differ but I mounted a normal XTR
    caliper on the rear no problem. And I love it. I agree about the cable routing. It has annoyed me
    several times. The shifters have nice internal routing and my rear hydraulic brake hose goes on the
    left side of the top tube through braze on guides that seem to fit well. Ie my hydraulic hose seems
    to be the same diameter as a normal brake hose. There are two brazeons on the front part of the
    toptube. Unfortunately the hose is clamped down with zip ties which makes it even worse.
    Aaarrrggghhhh.

    Quoted message said:

    From where the shifter cables come out there are no guides and the hose is


    kinda zipped down to the rear shock and whatever they found on the way down to the caliper. It is
    not put together by the factory.

    I wouldn't try to save $$$ by not getting a rear disc. I really appreciate the nice modulation on
    both levers. However I am contemplating doing just that on another bike I have. Not from being cheap
    but simply 'cause there is no caliper mount on the rear stay. Maybe a hydraulic rim brake in the
    rear and disc in front...........

    --
    Perre

    You have to be smarter than a robot to reply.

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  4. "Matthew Paterson" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    Rocketman said:

    How did they route the hoses? (Photos would be helpful if you know of any.)

    Looks like the hoses are just routed internally as well. Why cant you do this?

    vanherwerden.nlklein attitude race 28 inch.jpg

    I can't see much from this photo (rear discs are exactly opposite the camera); but it looks like
    this Klein has I.S. disc mounts.

    Quoted message said:

    Although this guy has routed his outside.

    Quoted message said:

    www2.odn.ne.jpimg051.jpg

    Yes, on a bike with I.S. (51mm) disc mounts.

    Quoted message said:
    Quoted message said:

    Ideas?

    Go with mech discs, like Avids, using your old inners and outers.

    Um, thanks Matt; but I don't think you got the crucial point. Obviously, if I could go the easy
    route (I.S. discs front and rear), I would. That's not possible. My 2001 Klein has the older
    Trek/Klein/Fisher/etc 22mm Hayes disc mounts, which are inside the rear triangle, not outside of it
    as I.S. mounts are.

    Rocketman

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  5. "Per Elmsäter" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    Rocketman said:

    Since I bought a spare disc-ready wheelset, I thought maybe I'd give front and rear disc brakes
    a try. My 2001 Klein Attitude has a 22mm (Hayes) mount for a rear disc caliper (same as Trek). I
    was planning to get an A2Z 22mm to 51mm adapter plate. Has anybody here tried the A2Z adapter on
    a Klein (or Trek) hardtail? A Hayes 22mm hydraulic caliper with hose and lever is $150+. Is
    there a cheaper/better option? What do you guys suggest?

    Even if I do get the caliper issue sorted, the frame has no braze-ons for hydraulic hose
    routing. So, that means using some klugey stick-on housing guides that will muck-up the sleek
    looks of my Klein (which has internal cable routing - a big selling point). I suppose routing
    the hoses under the downtube and rear chainstay would be fairly stealthy; but it's still a
    kluge. Arrgh. The European version of the Klein Attitude was available from the factory with
    disc brakes. How did they route the hoses? (Photos would be helpful if you know of any.)

    I dunno. I'm thinking it's too much hassle and expense to go with rear discs. I might just stick
    with a rear V-brake and front disc. It works pretty good as-is, and keeps a lot of $$$ in my
    pocket.

    Ideas?

    Rocketman

    I have a Klein Adept Pro ( FS ) from 2001. I don't know how they differ


    but

    Quoted message said:

    I mounted a normal XTR caliper on the rear no problem. And I love it.

    You mean you're using XTR V-brakes on the rear? Or did you find a way to mount the XTR rear
    hydraulic disc caliper?

    Quoted message said:

    I agree about the cable routing. It has annoyed me several times. The shifters have nice internal
    routing and my rear hydraulic brake hose goes


    on

    Quoted message said:

    the left side of the top tube through braze on guides that seem to fit


    well.

    Mmmmkay. So your Adept already has the cable guides brazed to your frame. Is that right? Mine does
    not. It sounds like you do have an XTR hydraulic disc caliper on the rear. How did you mount it to
    your 2001 Adept? Did you use an A2Z 22mm to I.S. adapter plate? Did you use the Shimano 22mm to I.S.
    adapter? Is there enough clearance?

    Quoted message said:

    Ie my hydraulic hose seems to be the same diameter as a normal brake hose. There are two brazeons
    on the front part of the toptube. Unfortunately the hose is clamped down with zip ties which makes
    it even worse.


    Aaarrrggghhhh.

    My Klein Attitude (2001) has no braze-on cable guides at all - only the internal routing holes.

    Quoted message said:
    Quoted message said:

    From where the shifter cables come out there are no guides and the hose


    is

    Quoted message said:

    kinda zipped down to the rear shock and whatever they found on the way


    down

    Quoted message said:

    to the caliper. It is not put together by the factory.

    Yeah, that's kinda what I expected. It's uncharacteristic of Gary Klein to be this sloppy.

    Quoted message said:

    I wouldn't try to save $$$ by not getting a rear disc. I really appreciate the nice modulation on
    both levers. However I am contemplating doing just that on another bike I have. Not from being
    cheap but simply 'cause there


    is

    Quoted message said:

    no caliper mount on the rear stay.

    Yeah, I have several bikes like that; but my titanium bike can have I.S. mounts added for like $120
    or so. It's cheaper than buying a new frame...

    Quoted message said:

    Maybe a hydraulic rim brake in the rear and disc in front...........

    That could work well, IMO.

    Rocketman

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    rec.bicycles.off-road is moderated by volunteers. To find help solving
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  6. Rocketman said:

    "Per Elmsäter" <[email hidden]> wrote in message

    Quoted message said:


    I have a Klein Adept Pro ( FS ) from 2001. I don't know how they differ but I mounted a normal
    XTR caliper on the rear no problem. And I love it.

    You mean you're using XTR V-brakes on the rear? Or did you find a way to mount the XTR rear
    hydraulic disc caliper?

    Hydraulic disc caliper as you guessed. I took a closer look and yes I do have an adapter in the
    rear. It seems to be about 43 mm between the holes in the frame. The caliper itself is fastened on
    the adapters 51 mm holes.

    Quoted message said:

    Mmmmkay. So your Adept already has the cable guides brazed to your frame. Is that right? Mine does
    not. It sounds like you do have an XTR hydraulic disc caliper on the rear. How did you mount it to
    your 2001 Adept? Did you use an A2Z 22mm to I.S. adapter plate? Did you use the Shimano 22mm to
    I.S. adapter? Is there enough clearance?

    The clearance is OK but it seems that it is 43 mm to 51 mm adapter. Evidently our frames differ
    just a bit here. The adapter in general looks to be really sturdy and I wouild imagine it is
    from Shimano.

    Quoted message said:

    My Klein Attitude (2001) has no braze-on cable guides at all - only the internal routing holes.

    Do you have three internally routed cables then?

    --
    Perre

    You have to be smarter than a robot to reply.

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  7. Nicer with the fat tires.

    Fire up MTB 03

  8. Rocketman said:

    but I don't think you got the crucial point. My 2001 Klein has the older Trek/Klein/Fisher/etc
    22mm Hayes disc mounts, which are inside the rear triangle, not outside of it as I.S. mounts are.

    Oh yes, my bad.

    Maybe you could get an adapter (ala frames that have no disc mounts) but that may mess up your
    nice lines 🙂

    --
    Matt

    Fear of a flat planet

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    posting problems, or contact the moderators, please see rbor.orgrbor.org
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