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  1. Replies
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    CD is stands for couche dur which translates to...

    CD is stands for couche dur which translates to hard coated, and in the bike world refers to hard anodizing, though it can stand for any hard coating. Ceramic coated rims are labeled as ceramic...
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    Hard anodizing most definitely holds up better...

    Hard anodizing most definitely holds up better than regular anodizing. But not enough better to make much difference. My CD rims are at the half and half phase after about 2,000 miles, and I figure...
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    I suspect that the idea is intended for lightly...

    I suspect that the idea is intended for lightly loaded, high speed bearings. These are the ones that would most benefit from eliminating the viscous drag of grease. In industrial applications, ball...
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    As I posted earlier, it's a hopeless cause. ...

    As I posted earlier, it's a hopeless cause.

    The brake track is a wear zone, and whatever you put on the surface will quickly wear through to the (silver colored) aluminum. The ONLY way to have...
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    innovative ball bearing concept

    This isn't necessarily applicable to bicycles, but is interesting nonetheless.

    Cageless ball bearing
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    You're riding 12km in the civilized world, not...

    You're riding 12km in the civilized world, not 100 miles across the Kalahari Desert.

    The only relatively high likelihood event you have to prepare for is a flat. So pump, 1 spare tube (flats are...
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    It's an odd place and strange way for a crack to...

    It's an odd place and strange way for a crack to form. If these were truly cracks, they've crossed a support beam (inside the rim) which is very strange. Also, they would have quickly grown out to...
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    This is a fairly common issue, and the result of...

    This is a fairly common issue, and the result of the chain being too narrow for the gap between the chainring.

    Even though you're using a 6s chain, the chain is still too narrow, because over...
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    Don't bother. it may affect braking or may not...

    Don't bother. it may affect braking or may not that much depending on the specific paint, but it doesn't matter. The use of brakes will quickly remove the paint, first producing an uneven mottled...
  10. Any brake can squeal when the conditions are...

    Any brake can squeal when the conditions are right. Probably the pad got warm and wore a bit deglazing the surface. When applied lightly as a speed control brake there was enough friction to twist...
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    You have some dings in the paint. The only issue...

    You have some dings in the paint. The only issue is that it was touched up clear vs. a darker color that wouldn't show out as much.
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    Just based on the photo, I can suggest...

    Just based on the photo, I can suggest possibilities, but there's far too little to offer a theory.

    First of all, understand that radial wheels are materially different than most crossed patterns....
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    Not an issue. many of these threads coast...

    Not an issue.
    many of these threads coast downhill fast.
  14. I'm not being defensive, just helping the OP,...

    I'm not being defensive, just helping the OP, who's already uncomfortable about his stem and headset, avoid being confused by your nonsequitur.
  15. You're adding 1 & 2 and coming up with 4. The...

    You're adding 1 & 2 and coming up with 4.

    The OP has a threaded headset and asked a question about an adapter. (see OP). Afterward he asked an unrelated question about why threadless headset...
  16. If it's a conventional threadless headest, there...

    If it's a conventional threadless headest, there has to be a continuous column running from the top cap to the compression ring of the headset, so tightening the cap screw can press the stack down...
  17. Clamped threadless stems have been holding...

    Clamped threadless stems have been holding headsets together for a few decades now. If the clamp alone weren't reliable, the entire design would be a fail.

    BTW- seatposts with similar clamp...
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    There are a number of brands and designs. I've...

    There are a number of brands and designs. I've seen some that have some play or movement no matter how tight, and others that tighten tight. If you have some mechanical skill and understanding,...
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    I suspect he means same wheel = Front wheel, but...

    I suspect he means same wheel = Front wheel, but from the gist it sounds like 2 from the same wheel, and one from the replacement.
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    I agree. One spoke may be a fluke (stuff...

    I agree. One spoke may be a fluke (stuff happens) but two or three are a pattern, so you can't consider it a random event. Problem is that identifying that fundamental issue without plenty of...
  21. Do whatever makes you comfortable, but try to...

    Do whatever makes you comfortable, but try to understand what calipers do and don't do.

    Braking always comes down to friction, which in turn is about the friction properties of the shoe and rim...
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    There's not nearly enough to base any conclusions...

    There's not nearly enough to base any conclusions on. However, keep in mind that broken front wheel spokes are a rarity. All things being roughly equal, we'd expect a front wheel to outlast many...
  23. Thread: wheel dishing

    by FBinNY
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    If the wheel sits off center, and mirrors when...

    If the wheel sits off center, and mirrors when flipped it's the wheel. If it doesn't move when flipped, it's the fork. If it moves, but doesn't mirror, it's both.

    However, there are other...
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    Cadence tends to increase with saddle time. If...

    Cadence tends to increase with saddle time. If you want to force the issue a bit, try riding in the gear lower rather than higher of what may feel best.
    Otherwise, be patient and your cadence...
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    Why? Thieves come equipped for their tradecraft....

    Why? Thieves come equipped for their tradecraft. That means it's far more likely a thief has a cable cutter than a socket wrench with him. In any case, it's far faster and easier to cut the cable...
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