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Thread: MTBR Glossary

  1. #201
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    very helpful

  2. #202
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    Cool list

    Quote Originally Posted by David C View Post
    [*]Tire size example : 26x2.1 the tire is made for a 26" diameter rim and has a maximum width of 2.1" when inflated.
    Just a FYI, the 26" is the diameter of the tire, not the rim. Same with a 29er, 29" diameter tires, not the rims.

  3. #203
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    Quote Originally Posted by brent878 View Post
    Just a FYI, the 26" is the diameter of the tire, not the rim. Same with a 29er, 29" diameter tires, not the rims.
    True. Thanks to specify. I didn't want to confuse new users with ERTO measures and more technical standard. I guess you could always post a link to Sheldon Brown's website page on wheels sizes and standards
    Quote Originally Posted by NicoleB28 View Post
    topless. that's what all mtb girls do. we go ride, get topless, have pillow fights in the woods, scissor, then ride home!

  4. #204
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    Quote Originally Posted by David C View Post
    True. Thanks to specify. I didn't want to confuse new users with ERTO measures and more technical standard. I guess you could always post a link to Sheldon Brown's website page on wheels sizes and standards
    Ya I knew what you were saying. That's why I didn't say you were wrong, just a FYI. Usually I get the look when I tell people its refering to tire diameter and not RIM diameter. It doesn't really make sense to me to go by tire size rather than rim size when the tire diameter changes depending on which tires you use. I think a fat bike tire 26x4.x is actually around 29" in diameter but still considered a 26" And I think every other type of wheel (motorcycle, car, etc) goes by rim size. But when buying rims they are usually sorted by 26" and 29" which doesn't help to the confusion.

  5. #205
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    Yeah, that's right. Me too at first I was like, the rim is 26" high and the tire is 26" too. Then I took a measuring tape and I ended up in a white room with padding and no furniture.

    But seriously, this can be very confusing, but since any 26" tire fit on any 26" wheel, I guess it's more of common sense and people just don't even care about it. Unless you're trying to build/make something that is in direct relation with rim/tire dimensions (like a truing stand for example).

    Still waiting for the link.
    Quote Originally Posted by NicoleB28 View Post
    topless. that's what all mtb girls do. we go ride, get topless, have pillow fights in the woods, scissor, then ride home!

  6. #206
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    Here's : Tire Sizing Systems

    *Just got on my computer, was on iPhone before*
    Quote Originally Posted by NicoleB28 View Post
    topless. that's what all mtb girls do. we go ride, get topless, have pillow fights in the woods, scissor, then ride home!

  7. #207
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    thanks for the info, just trying to learn the lingo

  8. #208
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    Super helpfull, thanks!

  9. #209
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    Great for learning the ropes here. Thanks.

    -Warr

  10. #210
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    Great

    Feel like less of a noob now

  11. #211
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    Very helpful, thanks!

  12. #212
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    Awesome thread! Thank you!

  13. #213
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    Thank you for the info!

  14. #214
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    Good read

  15. #215
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    learn something new everytime i come here

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  17. #217
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    helpful, thanks

  18. #218
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    wow. A bunch of great info all stacked in one place. Even a few minutes of reading through the quick facts taught me more than I've learned in 5 years of riding/fixing bikes!

  19. #219
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    ^^ Agreed with above. The quick facts will be referred to again. I've been out of the bike scene for about 10 years, so all the technology and standards have changed since then. Much to my chagrin when I recently tried to revitalize my 15-year-old hardtail with components off a newer bike...

  20. #220
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    Should have came here first. Some of the posts would have made much more sense.

  21. #221
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    Very helpful

  22. #222
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    Well that definitely cleared up some things for me. Thanks OP.

  23. #223
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    I learn something new everyday, thanks

  24. #224
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    Nice post, thanks for the advice.

  25. #225
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    Yet more useful info. Thanks!
    Proud dad, coffee and beer lover, 2 wheel advocate, lifelong learner. Wife's blog: http://www.mymotheringmadness.com/

  26. #226
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    Thanks for this! I find myself coming back to this for reference when I'm reading other threads.

  27. #227
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    this thread has been super useful

  28. #228
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    Aha! Threads and posts are no longer cryptic. Good reference.

  29. #229
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    When talking about wheelsets, what does UST mean?

  30. #230
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    Very useful thread, thanks!

  31. #231
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    TY, good info!

  32. #232
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    Very useful thread. A few that I did not know.

  33. #233
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    Could anyone elaborate on the difference between AM, XC and FR please? I think FR is mostly for trails with jumps, something close to BMX almost?? But was is difference between AM and XC? Arent they the same trails?

  34. #234
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    A very useful thread. Thanks!

  35. #235
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    Quote Originally Posted by solidfish View Post
    Could anyone elaborate on the difference between AM, XC and FR please?
    I think this has been done already... but lets see what I can do.

    There are various definitions for XC, AM and FR.

    XC
    1) An internationally recognized sport where you race against a few dozen others on the same trail
    2) Just riding trails. Distance and Speed probably matter to you.

    AM
    Just riding trails. You look for challenging trail features, Speed and distance are there but only matter in terms of trail experience. You want a bike that can handle the trail features at the speed you want.

    FR
    Lots of variety but jumps, drops, elevated features and other "stunts" tend to be featured. You don't ride for distance: it is all about the "stunts" and the bike has to be able to survive them - and not hinder the stunts.

    Last week I rode with a pretty mixed bunch. At one point, us more wheels-on-the-ground riders took the reroute around a fallen tree. The two guys who are into "Enduro" (an AM like race format) picked up speed and hopped over that tree that is too high off the ground for me to even consider.

    "it IS possible that you are faster or slower than anybody else who is having at least as much if not more or less fun"

  36. #236
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    Thanks for response. I've been looking into this question and your answer is what I got as well. I also noticed that bike sizes differ between the disciplines. It seems that AM/FR generally have shorter top bar lengths whereas the XC folks like a more traditional longer top bar length. FR/DH also like to keep their seatpost lengths low to position their bodies around the angles.

  37. #237
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    one day i'll know what Fixie means

  38. #238
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    In XC bikes, people favor pedaling efficiency, and to some degree even aerodynamics. A longer top tube can help with those things.

    For AM/FR/DH, people want a bike length that lets them apply a lot of body language for maneuvering the bike. A somewhat shorter bike can help with that.

    Difference between FR and DH: in FR you live for the stunts, in DH you mainly care about going fast. If you are racing DH, you ONLY care about making it from start to finish in the shortest possible time.

    Fixie: if your cranks are turning, the rear wheel is turning too. If your rear wheel is turning, your cranks are turning too.
    Mind your fingers when cleaning and lubing the chain: you wouldn't be the first one to get your fingers mangled after forgetting the rear wheel works like a flywheel and the chain keeps moving with it

    "it IS possible that you are faster or slower than anybody else who is having at least as much if not more or less fun"

  39. #239
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    Very useful, sso much new things to learn

  40. #240
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    my hero!
    Karakoram...ZS44, X-Fusion, Freq i23, Tioga's, Shadow & XT,Shim Hydro 180/160, MG-1 pedals & more.

  41. #241
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    The glossary list is a great reference for beginners like me. thanks

  42. #242
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    THANK YOU. Been trying to figure out some of these abbreviations out for so long.

  43. #243
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    Great resource here.

  44. #244
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    Thanks for posting the glossary, very helpful.

  45. #245
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    Quote Originally Posted by perttime View Post
    I think this has been done already... but lets see what I can do.

    There are various definitions for XC, AM and FR.

    XC
    1) An internationally recognized sport where you race against a few dozen others on the same trail
    2) Just riding trails. Distance and Speed probably matter to you.

    AM
    Just riding trails. You look for challenging trail features, Speed and distance are there but only matter in terms of trail experience. You want a bike that can handle the trail features at the speed you want.

    FR
    Lots of variety but jumps, drops, elevated features and other "stunts" tend to be featured. You don't ride for distance: it is all about the "stunts" and the bike has to be able to survive them - and not hinder the stunts.

    Last week I rode with a pretty mixed bunch. At one point, us more wheels-on-the-ground riders took the reroute around a fallen tree. The two guys who are into "Enduro" (an AM like race format) picked up speed and hopped over that tree that is too high off the ground for me to even consider.

    Thanks for explaining it further!

  46. #246
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    The must have glossary for noobs like me. Thanks!

  47. #247
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    , thx!

  48. #248
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    Nice info

  49. #249
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    Great stuff

  50. #250
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    Super helpful to a complete newb like me.

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