i am looking to buy a mountain bike online.  now its asking me for size of frame.?
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bikesdirect.com has guidelines on the size.
999373
you might try ebay... or craigslist... or you local bike shop... or the newspaper classifieds\n\nand here's a tip: describe the bike in detail. make model size color components etc. pictures help.
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well, since your other question dealt with threaded vs. threadless steerers, I'll assume you're not talking about new technology.\n\nA lot of the time, bike types are referred to by the diameter of the wheels, 20" bike is a standard BMX type, for instance.  26" used to be a fairly popular size for '10 speed' road bikes.\n\nA 66 cm bicycle frame is HUGE, most manufacturers standard sizes stop at around 60-62cm.\n\nThe way to find out what size your frame is would be to take a tape measure and find the distance between the middle of the crank axle and the middle of the seat tube/top tube junction on a standard diamond farme.  Basically, you're measuring the length of the seat tube.  For more information, refer to the website below.
232523
Gary Fisher mountain bikes or Trek mountain bikes would I say. Just have a look at some options from these two brands.
544572
Tell me what type of riding you are going to be doing, how much you weigh, what kind of frame/setup you have - and then I can give a reasonably good answer to your question.
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forget the choices you have I'd suggest a Giant STP..you can get a 07 frame for $300 or talk to your local Giant dealer about a 2006 stp complete bike, I know right now giant is blowing them out to make room for the new stuff. the STP (Street,Trails,Park) is a sweet bike, the geo. is perfect for street or DJ and it rides well on the trails\nI have owned a P bike and a Cowan before and will never go back now that I ride a STP
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www.qbike.com \n\nI always check there b/4 purchasing any bike part.
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if you are planing to go off road, i just purchased a giant trance 3 and i love it, full suspention, disc brakes, twenty-seven speed, aluminum frame it weighs about 26lbs, and i payed around $1300, extremely happy with this purchase. \nI recommend talking to your local bike dealer and getting sized for a bike to fit you and your needs, don't just buy one from wal-mart, because when you shop at a dealer they will give you mantainance packages and they can help you better
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To determine your proper frame size, you’ll first need to get an accurate inseam measurement . Stand with your back against a wall, your bare feet 6" apart on a hard floor, \nlooking straight ahead.\nPlace a book or carpenter’s square between your legs with one edge against the wall, and pull it up firmly into your crotch, simulating the pressure of your saddle while riding. Have a helper measure from the top edge of the book to the floor, in centimeters. (You can convert inches to centimeters by multiplying inches by 2.54.) Repeat two or three times, for consistency, and average the results to get your inseam length. \n\nSource(s):\nFrame size refers to the length of the frame’s seat tube. Pro frames are measured along the seat tube in one of two ways, center-to-top (C-T) or center-to-center (C-C). C-T measures the distance from the center of the bottom bracket to the top of the top tube or seat lug (See image bellow). C-C measures from the center of the bottom bracket to the center of the top tube. Since C-T measures to a point higher on the frame, a frame measuring 55cm C-T would also measure roughly 53.5–54cm C-C, a difference of 1–1.5cm.\n\nTo size your C-T road frame, we use a guideline of .67 x inseam length. For example, if you have an 85cm inseam, your C-T frame size would be .67 x 85cm, or 57cm.\n\nLeMond’s formula, from his former coach, Cyrille Guimard, establishes C-C size by the formula .65 x inseam length, which yields virtually the same frame size when you add the 1–1.5cm difference between C-C and C-T. \n\nLarger riders (6'0" and up) may find that this formula puts them on a too small, and uncomfortable, road frame. A taller cyclist who wants a more comfortable frame may be better off selecting a frame 27–28cm less than inseam length, C-T.\n\nFor a mountain bike, we start by recommending a frame in the range of 10–12cm smaller than you take in a road frame. For example, if you ride a 55cm C-T road frame, look for a 43–45cm (17–18") C-T mountain frame
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Look for a good bike shop. The can fit a bike to you, tune it and make all the adjustments, install any accessories that you might need and later on make repairs as neccessary.\nFor a large selection of reasonably priced bicycles of all types, check out the Giant website here...\nhttp://www.giant-bicycle.com/global/
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Hand crafted will mean just that, the frame will have been assembled by hand by a craftsman.  This is the norm for higher quality framesets.  On the other hand, it might mean that it has just been assembled by hand, although as this applies to all bikes.......\n\nCustom build is something different.  A custom builder will make a bike specifically for you, having taken your measurements he will build the frame and assemble the bike to your requirements.\n\nMy "best" bike is handmade, not custom made.  The shop where I bought it ordered a "standard" frame of an appropriate size (with the maker's name on it) and then set up the bars, saddle etc to suit me.  \n\nHope this has helped you.
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There are more variables than you might believe involved with a good fit, not just height.\n\nCall your local bike shops and ask if they offer a professional fitting service.  Expect to pay $15 and up if you don't buy a bike from them.  Could save you many bucks trying to correct a mistake.\n\nHere is what the shop i frequent uses:\n\nOur technicians use the FitKit, the Salsa Size-O-Matic Stem system, and the Cyclemetrics FitStik fitting tools as well as our years of experience addressing a variety of cyclists’ needs and fit requirements.
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I do not know, but check out this link, other people have reviewed them already!\n\nhttp://www.mtbr.com/reviews/manufacturers/8465/\n\nThat is, if the site is working fully.
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What do you need to know?  Frame size, use, price range etc would be useful.
122367
you'll probably want a low-end mountain bike. go to your local bike shop, tell them what you'll be doing and they should be helpful. you should not feel pressured at all, otherwise find a different bike shop. Specialized hardrock (cheapest model is $360, bike shop's lowest price should be the same or less) would be good. the specialized Crossroads (cheapest model is $330, bike shop should be the same) also looks good. Trek is another great brand. schwinn and giant are not as good as they used to be, so i would not reccomend them, there are better bikes at similar prices. by all means, these are not the only good brands, there are many others out there! there are also some bike/ cycling forums on the internet that are very helpful when researching a specific bike, and peoples expirences with that particular bike. good luck!
9342
A large portion of the time choosing a road bike comes down simply to preference.  There are so many good bikes these day's, it truly comes down to the buyers opinion.  It all depends on the material frame you want, components, etc.  For me, I like stiff, small, I like aluminum, I use and prefer 38mm bars, and ultegra because it is cheap and easier to replace when I crash it.  I must say though, I have had a couple of Specialized frames and I absolutely love them!  I had the Allez about 3-4 yrs ago, and an S-Works E5 which I have had for a couple of yrs and was and still am completely satisfied.  I have also had a couple of Fujis, and I think they are just okay.
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Standard BMX's are mostly 20 inch wheels with a very few exceptions with 24 inch wheels but these are very uncommon and the frames are all the same size(roughly 12 inches) unless it's a kids size you buy. A standard adults BMX will fit you fine but you might have to tilt the handlebars back towards you for reach.