Mountain biking is a form of Sadomasochism akin to self-flagellation made publicly acceptable by claiming it is healthy
Mountain biking has knackered my knees but I feel so much better for it
by Doomanic November 27, 2011
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Going off road on a bike without a seat but with a 12 inch plus dry seat post only.
Hey Nick, what are you up to today? Mountain Biking...I have About 13 inches on my dry seat post and I think Astroglyde wants to sponsor me. Im a real man!
by Skin DIver April 7, 2022
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these are generally awesome people who ride down a rooty, rocky and usually steep hill with a bike and armour. they are known to outsiders as 'fearless bastards' and usually get 'loose as a goose'

girls who participate in this sport are rare to find, but on the chance that you do find one you will soon learn that they are fucking fantastic and much more of a 'fearless bastard' compared to your everyday girl and guy. girls who ride bikes are amazing ;)
Downhiller 1: "shit dude, we ride downhill mountain biking, we're fucking awesome"
Downhiller 2: "fuck yeah, lets shred up some dirt!"
Downhiller Girl: "YEAH!"
by dhmtbsoph May 20, 2011
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very much like street BMX biking, but with a good quality, fullsize bicycle. urban mountain bikes have front-fork suspension and a hardtail, with a low-clearance top-tube and low seat. its an action sport with a small number of devoted practicioners who are recognizable by their deeply pocked, purple shins, tolerance, friendliness, maverick mentality, and sexy, athletic build.
-what is there to do in vancouver?
-go urban mountain biking!
by akary January 30, 2006
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A brand of bicycle intended for off-road use on dirt or gravel trails. There is no limit to how much you can spend on them. Some of the best ones are amazingly beautiful works of high-performance technology that are also tougher than nails.

Most mountain bikes, though, are bought for fairly cheap, sometimes under $100, at department stores under brands such as Mongoose, Schwinn, or Magna. These "mountain bikes" are covered with fancy graphics, lots of gears, and suspension, but actually work very poorly:

1) The components are all bottom-of-the line, even if they have good names such as Shimano. They are heavy, poorly machined, and wear out or break quickly. The gears will usually grind and skip no matter how well you adjust them. Rims are often steel, which quickly rusts and bends out of round, is very heavy, and is never seen on decent wheels.

2) They are no fun to ride. Most of them weight at least 31-35 pounds, and the full-suspension models weigh around 45! Try riding up a hill on one of these. Most people just ride them around the streets, and the knobby tires soak up so much energy you can actually hear it. Full suspension will completely absorb any power you put out. It feels like riding through mud.

Mountain bikes are extremely popular, though, accounting for over 90% of all bikes on the average college campus. They are easier to ride than road bikes, but will prevent you from ever enjoying bike riding. If they are used for off-road use, they simply become a toy like dirt bikes that you can't use for everyday transportation. Overall, I think they are a backwards development in cycling technology.
"Did you see my new mountain bike? It's loaded! It has full suspension, 24 gears, chrome rims..."

"Dude-do yourself a service and buy a road bike like mine. Then see if you can keep up with me on the road."
by spinningtabletop January 31, 2009
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a discipline of mountain biking originated in vancouver's north shore. northshore riding takes place in the woods, on elevated, often extremely narrow wooden constructs such as "adirondack ladders" and "hamster wheels." a typical northshore bike has 6.5" travel front and rear, 26" wheels, and beartrap pedals.
by akary January 30, 2006
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My mom just bought me a new mountain bike for 20 grand.
by puresalt December 20, 2021
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