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General Bike Thread (Desiderata, questions, porn)

Discussion in 'Health & Body' started by kronik, Apr 30, 2009.

  1. otc

    otc Senior member

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    Last edited: Jun 25, 2013
  2. mr monty

    mr monty Senior member

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    I'm searching for a heavy duty chain and lock? I want the type some of the NYC bike messengers wear around their waist.
     
  3. random-adam

    random-adam Senior member

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  4. acidboy

    acidboy Senior member

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    you could also just get a cut resistant chain by the foot (at least grade 70) and padlock (I'm a big fan of abloy locks- maybe the pl362).
     
  5. acidboy

    acidboy Senior member

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    I'm really loving my fairly new 29er...

    [​IMG]

    [​IMG]
     
    Last edited: Jul 7, 2013
  6. rdawson808

    rdawson808 Senior member

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  7. Bakes11771

    Bakes11771 Senior member

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    [​IMG]

    [​IMG]

    ...will upgrade to carbon wheels soon.
     
  8. otc

    otc Senior member

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    Meh, save your money.
     
  9. Bakes11771

    Bakes11771 Senior member

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    I had the same thought, as I ride primarily for exercise. Plan to do a few tri-sprints every year for fun.

    One thing I will say about the wheels I have is that they flex during hard out-of-the saddle uphill climbs, and the brakes rub as a consequence.

    FWIW, I was looking at a "cheap" set of carbon wheels, if you could even call them that. (Reynolds)
     
  10. otc

    otc Senior member

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    This will only get worse with carbon.

    If you want cheap, go with someone who will build up some Gigantex rims or something.
     
    Last edited: Jul 12, 2013
  11. Bakes11771

    Bakes11771 Senior member

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    I thought carbon was stiffer, no?
     
  12. Biscotti

    Biscotti Senior member

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    Carbon is stiffer, but cheap carbon wheels will probably be shit. The key is having parts built up properly.

    Then again, I'm behind on the times and still run 36H King hubs and aluminum rims on my road bike; however, I never have any problems.
     
    Last edited: Jul 12, 2013
  13. Bakes11771

    Bakes11771 Senior member

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    True. Its not like I can't ride the bike with the wheels it has now. Its just sort of like an addiction, similar to buying lots of expensive and unnecessary shoes.
     
  14. Fang66

    Fang66 Senior member

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    Disagree, wheels are the best bang for buck upgrade, and that bike ain't no Craig's List bargain, what are they worth? Around 4/5K? I have no idea about if the stock wheels are any good or not, but if I was paying that many clams for a bike I'd sure as hell make sure it was shod with pretty primo wheels.
     
  15. Fang66

    Fang66 Senior member

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    Are the wheels true? Are you very big/powerful? I find it hard to believe that the stock wheels on a bike like that would flex enough to rub the brakes unless they is something up or unless you are a beast.
     
  16. Fang66

    Fang66 Senior member

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    Then buy what makes you happy. I have a NOS 1980s steel frame that I paid way too much for, didn't even care because I love it and it is pretty.
     
  17. Biscotti

    Biscotti Senior member

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    New frame and fork on the way from Hong Kong. :)
     
  18. Bakes11771

    Bakes11771 Senior member

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    I am less interested in the Reynolds now after looking further in to them. I've been reading that they don't brake well (especially in wet) and can be noisy under braking. Back to looking at Dura-Ace 9000 C35 Clinchers, since they have an aluminum braking strip, seem to have better hubs and sounds as though a lot of research has gone in to their design. (Off-set spoke pattern, wider flange, ect.) Probably sounds like a bunch of BS marketing hype to some, but it makes sense to me.

    I don't really care about having the lightest set of wheels, or the most aero set, but I would like a stiffer set. Also, as Fang said, a bike like this should have wheels to match. Admittedly, I probably could have gotten the same workout on a $750 aluminum bike, but I didn't want to get really in to biking and then want to upgrade. I'm happy with what I bought. Could have spent much more, but i'm not an expert who competes in races where seconds make a difference. At my level of riding, I feel that I am able to appreciate the non-necessities that I paid for on this bike.

    Thanks to everyone for their input.

    Won't make a move for at least a few weeks, if I end up doing it at all.
     
    Last edited: Jul 13, 2013
  19. LawrenceMD

    LawrenceMD Senior member

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    there are some direct to buyer sellers of wheels that are really popular right now, companies like neuvation, and boyd.

    generally the higher the rim, the stiffer the wheel (regardless of build material) right now the trend is getting a little crazy where you'll see people with 50-60mm+ wheel sets on bikes blurring the line between tri-bikes/TT bike wheels. there's the newer trend of putting a deeper rear wheel - but it starts to really look awkward.

    there's no denying the aero benefits (but you do have to reach a minimum speed - something like over 20mph), and the deeper the dish the less spokes you need to use, but take note if you live in a windy area cross winds will actually be a factor with even rims in the 40mm range. I've seen guys with the 50mm rims get pushed over on sudden 20mph gusts of winds.

    I think the general consensus is "all around" wheels these days is the carbon 38mm rimmed wheels. you can actually keep them light enough, sometimes even 38mm clinchers are sub 1500g and you can find them for great prices if you buy from direct sellers (even cheaper with direct from taiwan sellers).

    stopping power/modulation has been improved greatly with new carbon specific brake pads but its not quite the same as aluminum rims.

    lastly there's a reason Dura Ace wheels are generally beloved - its one of those always great quality and performance products - but the rims are usually below 30mm, and are overall a little heavier (especially in clincher models).
     
  20. otc

    otc Senior member

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    A lot of carbon wheels lack side to side stiffness. But they can be made into more aero shapes with less weight which more than makes up for it (if you spend 98% of your time spinning in the saddle, the extra side to side flex for the 2% where you are standing and sprinting isn't such a big deal)
    They aren't as bad as they used to be, but you still see sprinters reach down and open up the the quick release on their brakes before a sprint finish.

    Carbon's not a magic material. They make stiff carbon frames by using big fat tubes which can be very rigid without using much material. You don't really have that ability in the wheel which can't get any wider than ~23mm. Especially if you are a clincher and have to be strong enough to hold the bead (carbon tubulars > carbon clinchers). If you look at an old carbon bike where the tubes were the same size as a steel frame, you will find that they are pretty damn flexy. But they are lighter than the aluminum frames and FAR more comfortable to ride (aluminum is so stuff that its not comfortable at all since it doesn't absorb anything). Its all a series of tradeoffs.


    Those are pretty decent wheels on there. If you aren't racing or anything, spending $1000+ on carbon rims is kinda silly (disregard if you are in a position to not care about $1000), especially if you are more than 150lbs.
     

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