Bicycle thread

Discussion in 'Sports' started by Zodiac, Jul 10, 2006.

  1. Crocodile Tears

    Crocodile Tears Anti-Semantic

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    Does anyone have a reccomendation for a good quality reasonably priced indoor trainer? Winter is coming.... :(
  2. pierce

    pierce Aven'Tourer

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    your bike, on rollers.
  3. Crocodile Tears

    Crocodile Tears Anti-Semantic

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    Hmm, never looked into those before.

    They look terrifying :lol3
  4. pierce

    pierce Aven'Tourer

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    was a long thread here about them last winter (or maybe the one before that?)

    IIRC, a suggestion was made to set it up in a doorway to get the feel for it, so you can catch yourself. they make you much smoother and improve your balance compared with a stationary bike setup. after a bit of practice, you can move it to wherever. just don't get distracted when spinning, hah!
  5. Gummee!

    Gummee! That's MR. Toothless

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    that was probably me.

    Rollers are great to make you smooth but don't typically get you strong.
    Trainers are great at making you strong, but you develop a square pedaling style.

    Optimally you'd have both.

    Me? I'll dress warmer and ride outside thanks. I seriously dislike trainers. I've ridden my fair share of em over the years. Used to do 3.5hr trainer rides a few times/week a few winters. Was faster leaving the winter than when I went in and actually lost fitness over the spring as I got outside more.

    M
  6. Chillis

    Chillis Land Barge Pilot

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    Tires!

    I am running Michelin 700x25 but my bike came with 700x35. I am not as worried about comfort as I am with avoiding pinch flats. Since going to the 25 width I have suffered 3.

    Distance road riding, does it make sense to grab the wider rubber? I see all sorts of info online about what has rolling resistance and what does not. Comfort would be welcomed but not necessary.

    Opinions?

    Also, big mileage all road conditions tire rec's?
  7. pierce

    pierce Aven'Tourer

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    25c's need buttloads of PSI. like, 110psi or something.

    I wouldn't use less than a 28c for anything other than racing. heck, even the tour-de-france guys run 28's on some of the rougher legs. get a good tire like a Continental Gatorskin, schwabe marathon.

    also, phew, how wide are you rims? a bike that came with 35c, must be like 25mm outside, 19mm inside width on the rims? thats a rim I wouldn't want to put less than a 28 on. you need like a 14mm (inner width) rim for a 25c
  8. k7

    k7 Ancien cyclist

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    I use 700x25 on brevets and can't remember the last time I had a pinch flat. I run them at 115 psi rear and 100 front on Velocity A23 rims with Conti Gatorskins, Conti Gran Prix 4000 or Michelin Pro Race 3's. I go about 198-200 lbs so I'm not a lightweight either. In the last event, I would have gone flat free except for one goathead that got me with about 155 miles to the finish.

    Some, on the same event, had as many as 4 and 5 flats so I was lucky.
  9. Gummee!

    Gummee! That's MR. Toothless

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    Depends on your weight. Lots of guys are running 25s in the 90s (or lower) PSI these days.

    also, phew, how wide are you rims? a bike that came with 35c, must be like 25mm outside, 19mm inside width on the rims? thats a rim I wouldn't want to put less than a 28 on. you need like a 14mm (inner width) rim for a 25c

    I wouldn't use less than a 28c for anything other than racing. heck, even the tour-de-france guys run 28's on some of the rougher legs. get a good tire like a Continental Gatorskin, schwabe marathon.[/QUOTE]I swapped those two paragraphs around to get their order of importance right. If the bike originally came with 35c tires, chances are its got a wider rim on it. I'd say that 28c is about as narrow as you want to go. Less and you risk... ...pinch flats.

    There's some really nice-riding larger tires out there. You'll pay for em, but they're worth it.

    M
  10. ducnut

    ducnut Long timer

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    I'm currently on Conti Contact. In ~5K miles, I've suffered only one flat (a thorn).

    If you want something fast, in a larger volume, look at the Conti SportContact or GatorSkin. They offer flat protection and larger sizes. It's pretty well know, in competitive circles, that the GatorSkin sets the standard for flat protection in competition tires.

    Keep in mind that many Conti tires are not true to size.

    In 23mm sizing and at 170lbs, I usually ran ~90psi.
  11. YakSpout

    YakSpout Obstacle Allusion

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    My new HED Ardennes CLs are 23mm wide (inner) and I'm running 23mm Hutchinson Fusions on them right now. I had the tires lying around and didn't want to pull the Marathon's off my Shimano wheels since the wire bead is such a bitch to mount. Marketing buzz from HED is that the wider wheel is more aero (who cares?) and widens the tire for a smoother ride at lower pressures without fear of pinching the tube. That much seems true.

    I'm really, really, really happy with the way they ride. I can run 100psi front/rear (HED says to go no higher than 105psi on these wheels) and I'm a big guy at about 215lb. The ride is smoooooth, even on a 23mm. I'm going to switch to a puncture resistant tire as soon as these Hutchs are done, but I couldn't bear to see them sit in the closet any longer.

    No flats so far and I've been riding some crappy roads. (We had one guy with two flats on Sunday's 60miler. Both were broken glass.)
  12. Chillis

    Chillis Land Barge Pilot

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    Thanks guys. I will give the gator skins a try once I wear out my current tires. Rear is getting flat across the top after a couple months of riding(600-700 miles).
  13. pierce

    pierce Aven'Tourer

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    thats another good point... I dunno what bike you have, but if it came with 35c tires, its likely some sort of hybrid? it probably doesn't have the best of rims unless it was a rather high end hybrid. 110 or 120 psi may be more than those rims are designed to handle (since a 35c tires is more like 70 psi). another factor is, the hybrid probably rides a little 'heavy', so its not as easy to 'unweight' (half jump) going over cracks, bumps. the worst, IMHO, are uneven pavement blocks, where you're hitting a sharp lip thats maybe 1 inch high, if you don't bunny hop over those, you can flat almost anything short of a big mountain tire, and maybe even taco your rim.
  14. ducnut

    ducnut Long timer

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    Be sure to rotate your tires front to back (rear wears faster), as well reverse the rotation (left side wears faster, due to crown in the road), to get the most mileage out of them.
  15. Chillis

    Chillis Land Barge Pilot

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    My bike has Alex 450 rims for cyclocross. Cyclocross bike.

    I have been running the Michelin 700x25 slicks at 116 psi since having them on.

    Ducnut, thanks for the rotation info. I had no clue!

    Wish I had not bought a replacement rear now that I want a bigger tire. Maybe the LBS will take it back.
  16. pierce

    pierce Aven'Tourer

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    ok, that a 14mm inside width rim. says 'road racing', so yes, very suitable for 25mm tires, although I'd still prefer the cushier ride of a good high TPI 28mm....

    CX rims are usually more like 18mm inner. I'm kind of amazed someone spooned a 35mm wide tire onto a 14mm wide rim.
  17. Chillis

    Chillis Land Barge Pilot

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    The bike itself is marketed as an all purpose bike with drop bar and alloy frame. It isn't heavy(22lbs before I went carbon fork which dropped serious weight).

    The 700x35 were knobbied at the edges and less so in the middle.

    So 28 instead of 32?
  18. pierce

    pierce Aven'Tourer

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    thats where I'm heading, long term.

    right now, I'm on 35's, I'm 210 lbs (down from 230), overweight /and/ lazy... when I get in better shape and wear out these 35s, I'll probably go 32 for one set, then if/when I get new wheels with better rims, I'll maybe end up on 28s. or get a new bike, I dunno.

    I like the 35s off pavement too, they aren't as likely to go nuts on a rock or whatever on a fire road.
  19. YakSpout

    YakSpout Obstacle Allusion

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    No doubt. 35mm on a 14mm wheel? That's a LOT of sidewall bowing. Doesn't surprise me that it pinch-flatted like a mofo.
  20. Mercury264

    Mercury264 Once you go Triple...

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    Damn, I just never thought to do either of those things. Thanks :thumb