Weight limit Thomson Masterpiece question

Discuss light weight issues concerning road bikes & parts.
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modebo
Posts: 36
Joined: Wed May 18, 2011 1:43 am

by modebo

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

by Weenie


drewb
Posts: 96
Joined: Tue Aug 24, 2010 11:53 pm

by drewb

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.)

modebo
Posts: 36
Joined: Wed May 18, 2011 1:43 am

by modebo

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

Illuminate
Posts: 404
Joined: Mon May 24, 2010 4:18 am
Location: Australia

by Illuminate

Modebo, any piccies of your Q Pro XX by any chance?

Thanks,
I

modebo
Posts: 36
Joined: Wed May 18, 2011 1:43 am

by modebo

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
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IMG_1009.JPG
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IMG_1012.JPG
Klein q-pro xx
Colnago Master Olympic 1996
Scott Cr1 Team 2004 custom
Litespeed Vortex 2000

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