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PostPosted: Tue Jun 12, 2012 10:41 am 
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Joined: Wed May 18, 2011 1:43 am
Posts: 36
Hello everybody,

I got a question, i have a left over thomson masterpiece (31.6/35) with setback i want to give to my father who weighs around 95 kilo grams. I know on the site the limit says 90kg but my father does not go offroad or anything, he's the touring kind of guy who stays on the asphalt and enjoys everything around him.

So what do you think is it okay or is it just waiting for an disaster to happen?

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Klein q-pro xx
Colnago Master Olympic 1996
Scott Cr1 Team 2004 custom
Litespeed Vortex 2000


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Posted: Tue Jun 12, 2012 10:41 am 


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PostPosted: Tue Jun 12, 2012 10:58 am 
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Joined: Tue Aug 24, 2010 11:53 pm
Posts: 90
I am 93 kg and have ridden with one for 3 years without problems (in fact did not know of the weight limit.)

I am guessing the bigger factor would be the amount of seatpost showing above the clamp. You could have a traditional shaped frame with 70mm showing OR a compact frame with 300mm showing. The leverage placed on the longer exposed post wold be many times greater than with the traditional frame (something about fulcrums and exponential pressure....)

So my advice would be, "use common sense" if it looks too precarious then it probably is.

For what it is worth - (mine was set up with a Cervelo R3SL with 250mm showing - and I hammered the thing with little respect for mechanics.)


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PostPosted: Tue Jun 12, 2012 12:00 pm 
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Joined: Wed May 18, 2011 1:43 am
Posts: 36
Thanks for the info! So if i understand it correctly, the more of the post is in the frame the stronger it is. Sounds logical. It's an old specialised frame so i think i can put it in real deep. I will first check it bedore presenting it to him.

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Klein q-pro xx
Colnago Master Olympic 1996
Scott Cr1 Team 2004 custom
Litespeed Vortex 2000


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PostPosted: Tue Jun 12, 2012 12:05 pm 
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Joined: Mon May 24, 2010 4:18 am
Posts: 370
Location: Australia
Modebo, any piccies of your Q Pro XX by any chance?

Thanks,
I


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PostPosted: Tue Jun 12, 2012 1:10 pm 
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Joined: Wed May 18, 2011 1:43 am
Posts: 36
Sure no problem, a bit off topic but here you go. Not the best pictures sorry. Very proud off my new wheels,

front

Speedcomposites hub (80 gr)
24 sapim cx ray (102 gr)
sapim nipples (8 gr)
kinlin xr200 (390 gr)

back

speedcomposites hub (209 gr)
24 sapim cx ray (102 gr)
sapim nipples ( 8 gr)
kinlin xr270 (425 gr)

total weight 1325


Attachments:
IMG_1009.JPG
IMG_1009.JPG [ 132.36 KiB | Viewed 459 times ]
IMG_1011.JPG
IMG_1011.JPG [ 133.91 KiB | Viewed 459 times ]
IMG_1012.JPG
IMG_1012.JPG [ 149.6 KiB | Viewed 459 times ]

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Klein q-pro xx
Colnago Master Olympic 1996
Scott Cr1 Team 2004 custom
Litespeed Vortex 2000
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