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Klein Quantum Pro(4 posts)

Klein Quantum Prospetsesjc
Jun 20, 2001 4:54 PM
I've read all the reviews on this bike on this website.... Does anyone have anything to say about a guy who is 5'10" and 145lbs riding this bike for 100 mile races??? Some people mentioned they thought the bike was only good for heavy riders (190+lbs). Any info would be great or links.
74 degree seat tube angleHank
Jun 20, 2001 7:14 PM
I'm 5' 11" and I can't fit on a Klein - the seat tube angle is too steep for me. I don't know why Klein uses a 74 degree seat tube angle for all sizes--most manufacturers use slacker angles for bigger sizes. So make sure you ride it and can get a good fit before you plunk down your $$$.
re: Klein Quantum ProDINOSAUR
Jun 20, 2001 10:43 PM
The Klein Quantum Pro is a nice ride, kind of expensive at 4K. I've been riding a'99 Quantum Race for the past three seasons. Klein's oversized al tubing was manufactured for the bigger rider in mind. That does not mean that a lighter rider could not ride one. One man's meat is another man's poison. It did take me some time to adapt to the 74 degree seat tube. It took a lot of experimenting with my saddle position. I feel more comfortable riding in a laid back position, so I gradually slid my seat back on it's rails so my KNOP is about 2cm behind the crankarm. I like to crank out low revolutions and the 74 degree seat angle is best suited for riders who like a more forward KOP and prefer to spin. It is more of a criterium bike, although Klein lowered the bottom bracket for their 2001 models. Also if you have a long torso you might have a problem with the geometry.
If your main question is about your weight, it all depends on what type of ride you prefer. The Klein has very good road manners, very stiff bottom bracket, good for climbing, descending, sprinting, does everthing well. The frame is very well finished, nice neat welds, beautiful paint, and a lifetime warranty for original owner.
I love my Klein, I was eyeing a QP at my LBS, I balk at the sticker price. 4K would buy you a lot of bike, especially if you go custom or have one built up. I kinda think that Klein prices the QP too high, just my opinion.
re: Klein Quantum ProLardog
Jun 21, 2001 10:18 AM
I ride a Quantum Pro. I've got nothing but praise. It would take something outrageous like a Ciocc with Record 10 to get me off my QP.