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General Bike Thread (Desiderata, questions, porn)

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

  1. gomestar

    gomestar Well-Known Member

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    edit: $690 all in.
     
  2. otc

    otc Well-Known Member

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    including making them compatible with shimano?
     
  3. gomestar

    gomestar Well-Known Member

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    Yes, Shimano. From Merlin Cycles. Could be horse shit, not sure.
     
  4. whiteslashasian

    whiteslashasian Well-Known Member

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    50mm Rims are pretty deep, I went with 38 which are a nice combo of aero, but also not like a sail in crosswinds, and for climbing.

    That's a very good price for premium wheels, however I feel the alloy Ultegra's would make for a longer lasting and more versatile set.

    In the end, just do what will bring you joy.
     
    Last edited: Jul 21, 2015
  5. gomestar

    gomestar Well-Known Member

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    yeah, there's not much of a good reason for 50 mm rims. I could try to rationalize it with "but I won't be climbing much, and aero would be much more important for when my wife does her triathlons!" ... but yes, you're right, for all intensive purposes the Ultegras are a no brainer, especially for just 3 bills. I could buy a set for both my wife and myself and still spend less than the single carbon set.

    any other recs? I'm pretty out of the loop when it comes to what's hot in the cycling world.
     
  6. otc

    otc Well-Known Member

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    Well, my rec is going to be something hand built...although when there's a good deal on a factory rim, it is hard to beat.

    Something like velocity A23 rims (maybe the A23-OC version in the rear) on velocity or white industries hubs. I think there are some neat Kinlin rims too that offer a good price to performance ratio.

    I can't tell you where to get it though...I am sure there are reasonably priced local builders as well as online options. Can definitely be had in that price range though. The A23 is a pretty sweet rim if you don't want to deal with tubular tires.
     
    Last edited: Jul 21, 2015
  7. ridethecliche

    ridethecliche Well-Known Member

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    Get a 38 front and a 50mm rear...

    I think the complaints with 50mm wheels are overblown. I used to race on 41mm alu clinchers (not light!) and they never bothered me and I used to weigh 145 in season.

    You honestly get used to it after a while especially if you just ride them everyday.
     
    Last edited: Jul 21, 2015
  8. gomestar

    gomestar Well-Known Member

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    new handlebar tape. went with Lizard Skin 2.5. Feels awesome.

    [​IMG]



    tech question that'll show how out of the loop I am. The bike I have is equipped with Ultegra 6500 9-speed everything. Would the current Ultegra 6800 wheels be compatible? The main question is around the 9 speed vs. the Shimano website saying the wheels are 10/11 speed.
     
  9. Fang66

    Fang66 Well-Known Member

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    From the link in your OP "8,9, 10 and 11-speed compatible", you will probably need to use a 1.8 mm spacer.

    Some 10-speed freehubs have taller splines than 9-speed, but I think that is older Dura-Ace.
     
    Last edited: Jul 25, 2015
    1 person likes this.
  10. otc

    otc Well-Known Member

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    Yeah, I think you are fine on the splines, might need a spacer, but the general shape of shimano freehubs hasn't changed in a while.
     
  11. gomestar

    gomestar Well-Known Member

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    I read a bit further, and I guess Shimano supplies a spacer so it can fit 8-11 speed system. cool.

    local place has them for $600 :fu:

    not sure when I'll pick them up, but overseas cycling stores it will be.
     
  12. gomestar

    gomestar Well-Known Member

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    what's the deal with disc brakes on road bikes? They've only been around a short while, but part of me thinks "about time". But holy shit they're expensive, I was looking at an Orbea Avant for $2300, and the disc option brings that bike to $3200.

    I use fancy hydraulic disc brakes on my mountain bike and I have little doubt that they are superior to rim brakes when it comes to stopping, extra weight be damned, but I'm curious how far they'll get on the road market, especially at the high price points and increased maintenance.
     
  13. otc

    otc Well-Known Member

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    They are all over the cyclocross market (which has thus driven the road-compatible hardware).

    I do feel like much of it has been manufacturer-driven rather than demand driven though. For instance, a lot of manufacturers don't offer their top lines of CX bikes with anything besides disc brakes anymore...but they make limited runs for their sponsored pro riders who still want rim brakes. More of a way to sell you something new and expensive and make you feel like you should upgrade.

    For CX, at least there are some conditions where they are better. Wet and muddy courses kill your stopping power and you get clearance issues with rim brakes and lots of mud buildup. Also, getting grit on your brake pads mean you will wear through your braking surface fast (sucks if you have full carbon rims...).
    For road? you can reduce spinning mass at the full radius of the rim by using a disc...but that's about it. Even that might be somewhat negated by the fact that you have to build up stronger spoke holes on the front wheel since now braking force most be transferred through the spokes. No more straight-lace wheels, no more low spoke count fronts that don't use a multiple of 4.

    Modulation and adjustment are worse (modulation is getting better with the hydraulic hardware...but who wants to bleed brakes on a bicycle?). For CX, that's a non issue since brakes are pretty much always off or full-on, but on road you want control and you don't want to endo. There are also some questions about overheating on descents. You shouldn't be dragging your brakes enough for it to be a problem on anything besides a TDF level descent...but it can necessitate having a bigger rotor.

    But hey, UCI is calling them legal on the road starting sometime soon. We'll see what happens. Hopefully the horror scenarios of them slicing off people's limbs when there is a crash in the peloton never come to pass.
     
  14. gomestar

    gomestar Well-Known Member

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    gah, manufacturer-driven blows.

    I guess I'd just skip it if I even got a new bike (pondering). I'd be meh about skipping disc breaks only have them take over the bike world, but I have a hard time seeing that on road bikes. Mountain and CX are way different.
     
  15. otc

    otc Well-Known Member

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    I mean...properly adjusted road rim brakes have enough force to lock up the rear wheel and endo you over the front wheel, all while providing plenty of modulation. Even true of lower end lines...tiagra or sora should have no trouble throwing you over the bars.

    You aren't functionally missing out on anything by not having disc brakes. There may be some advantages in shitty weather, but unless you are a pro, how often are you pushing your road bike to the limit in the middle of a rain storm? Ditto for any differences in rotational mass--do you already have $2k wheels on a bike that is sitting at the minimum weight limit?

    I suppose there are about a million other things that matter more than whether or not you have disc brakes (assuming they are at least decent disc brakes). Looking at a new bike in the future and your favorite model only comes in a disc-version? No reason not to unless you desperately want to be able to swap wheels with your wife or your other bikes.
     
    Last edited: Aug 4, 2015
  16. Fang66

    Fang66 Well-Known Member

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    Heck even single pivot sidepull brakes from the 70s, properly adjusted, have enough force to lock up the rear wheel and endo you over the front wheel.

    Disc brakes on a road bike are an overly complicated solution to a problem that doesn't exist.
     
    Last edited: Aug 4, 2015
    2 people like this.
  17. brp2

    brp2 Well-Known Member

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    I'm not sure I'd go that far. It seems like disc brakes on road bikes may be helpful with some carbon rims.
     
    1 person likes this.
  18. gomestar

    gomestar Well-Known Member

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    there are clear advantages to disc brakes, but I don't think that the advantages are really necessary on road bikes. Like OTC mentioned, I'm not going out in the rain nor am I a pro.
     
  19. whiteslashasian

    whiteslashasian Well-Known Member

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    Don't buy carbon wheels unless they have an alloy braking surface, problem solved!
     
  20. crich775

    crich775 Member

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    Or run tubulars, no risk of blowing a tire if you heat up the carbon either.
     
    Last edited: Aug 5, 2015

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