"Ben White" <[email hidden]> wrote in message
news:[email hidden]...
Quoted message said:I am a new tri-athlete looking for a bicycle to train and race on. Can
anyone suggest what brand/model components are tough enough for the
Big Men? I am 6'4" 235lbs. I was told by the bike shop guy that a trek
1000 would fall apart underneath me...is there any truth to that?
I'm also 235, but at 6'10", I ride a bit larger frames. As others have
pointed out, the critical component is wheels, particularly the rear. Also,
bike frames are more likely to flex in larger sizes, particularly with
heavier loads. For these reasons, I find touring bikes to be generally
better suited to large riders, particularly those with large diameter
tubes, which usually means aluminum. Touring bikes are designed to carry a
bit of extra weight, generally have beefier wheels, clearances for larger
tires, and a bit longer wheelbase, which makes for additional stability.
These changes come with a rather slight weight penalty. I think it's smart
to think of bike weight in terms of a percentage of rider weight, not in
absolute terms. If you want to race, you can get a second set of lighter
wheels and fit them with racier tires; a second set is nice to have anyway.
I haven't had much trouble breaking things. I did break a non-touring steel
frame, fatigue cracking the front tube along the lug boundary. I have also
cracked a couple of freeehub fixing bolts, and regularly bend rear axles on
freewheel-type rear wheels. I also fatigued and broke a stem, likely from
the load caused by using aerobars extensively (something to be aware of on
a tri-bike). I would also recommend not pushing the weight envelope on
handlebars or fork (touring frames usually come with pretty substantial
forks & bars).
The only things less-than-optimal for racing with a touring frame are
seattube angle (too slack) and BB height (too low). The first item is the
more serious, since it may limit how low you can get. I get very low, but
my thighs bump my ribs, steepening the seattube angle would be the only
change I would make on my Cannondale frame. Cannondale and Klein make large
framed, big tubed bikes in "full race" geometries, they might be worth
looking at, too.