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Used 1999 Klein Quantum pro(6 posts)

Used 1999 Klein Quantum proPasqual Conejo de Vera Cruz
Jun 26, 2001 10:34 PM
I am looking for advice on purchacing a 1999 Klein Quantum Pro.

The bike is listed in excellent condition, stock with about 1000 Miles

for $1650 US. Besides dents and obvious signs of abuse, what

should I look for? This seems a fantastic deal but I have to

wonder why the seller is taking such a loss. I want to go into negotiating a price
as prepared as possible. Also, I am having trouble getting

salesmen to fit me for a bike. The one I currently ride is too big.

I think at 6"1 1/2" and an inseam of 33" I should fit a 57cm Bike

depending on stem adjustment do you all agree? I understand that

salesmen probably want to make sure I am a serious buyer

before they invest too much time on fitting.

Thanks for your help.
re: Used 1999 Klein Quantum progwilliams
Jun 27, 2001 7:17 AM
I'm 5'10" with about a 33 3/4 inseam, I was fitted for a 57CM Klein. I would be a little concerned that the top tube is not long enough for you. Make sure when you measure your inseam to use a book or board with flat surface and apply alot of pressure to your crotch to get an acturate measurement.

re: Used 1999 Klein Quantum projba
Jun 27, 2001 12:46 PM

I'm 6'0" and ride a 57cm Klein. I think it fits me well, but I like to sit a bit behind the pedals (saddle pushed back), so my knee-over-pedal axis measure is atypical. This also stretches my virtual top tube length a bit, which I really like. I think this gives me more leverage for climbs and big gears. If I were you, I'd at least try to visit a local Klein dealer and test ride a couple Quantums in your size range to see how you the top tube height and length fit you. I bet you'll like the 57cm best (does klein currently have a 57cm out? I think klein gets screwy on occassion by switching between even and odd number sizes through the years).

About the low price of the used Q.Pro.... I wouldn't worry. If that guy can afford a Q.Pro, then he can probably stand to sell it so cheap! Sounds like a great deal to me.
re: Used 1999 Klein Quantum proPasqual
Jun 27, 2001 7:33 PM
I don't think they do have a 57 now but their sizing charts list
57 and 58 online. If I fit a 58 I imagine I could also fit a 57.
Thanks again for all your input.
A couple of things to consider...DINOSAUR
Jun 27, 2001 8:52 PM
A '99 Klein Quantum Pro listed for $3499.95. A three year old used bike would depreciate around 50% (ball park figure). $1650 sounds like a fair price. Take a good look at the bike, it's easy to see if it was well maintained. If it only has 1000 miles on it as the owner claims, it's just broken in. According to Gary Kleins frame geometry guide, at 6-1 you should be looking at a 59cm. A 33" inseam seems short for a guy that is 6-1. Fit is very important.
Go over the bike with a fine toothed comb. Give it a good test ride and adjust everything so it fits. Listen for any unusual noises in the driveline, rear hub. Check the tires, brake pads do they need replacing? This could dicker the price a little bit. The QP came with Dura Ace. Check the rear cog, at 1000 miles it should not have much wear. This would be an indication of the actual miles. Perhaps it has a computer with the miles on it?
If everything checks out and it fits, go for it. I ride a '99 Klein Quantrum Race and I absolutely love it, no regrets at all. The color for the '99 QP was white. Flip the bike unside down and it will have 99 stamped on the bottom bracket along with 7 (indicating 57).
1000 miles seems low for a '99 bike, that's only 500 miles a season, not counting this year. Also does it come with pedals? The '99 price included Shimano SPD-R pedals, this is also something else to consider.
You always take a chance with a used bike because of no warranty, but you can tell if the bike was maintained by looking at it, it's obvious.
good luck.......if you do buy it let me know how you like it, I don't think you will be disappointed.
A couple of things to consider...Pasqual
Jun 28, 2001 12:30 AM

Thank you all again for your invaluable help.

I have a good friend who rides a klein and he tells me if it fits
test riding it is a waste of time, it will be like nothing I've ever ridden. This seems to be what every one says. I have been "eyeballed" by several salesmen as a 58cm.
I checked out the size charts on Klein'stech manual
according to that I would fit a 56 or 58cm so I thought a 57 would be right in the middle. My pant inseam is 32. With a book snugly in my groin, placed perpendicular to the wall I measure 33.25in. My arm length is 25in from my underarm the mid palm. I probably sound malformed but my torso is long. This is where I get worried with kleins direct fit info. It looks as though I need a protractor to figure out the angles. I sould be able to adjust fit with the stem right?