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  1. Replies
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    109

    At first glance, this seems to be a classic "new...

    At first glance, this seems to be a classic "new chain skips on old sprockets" issue. This is extremely common and very likely if the prior chain were very worn. Stretched chains create a slightly...
  2. Mechanical diagnosis is like medical diagnosis in...

    Mechanical diagnosis is like medical diagnosis in that a full history is very valuable.

    In cases lik your chain suck my first and what I consider the most important questions are" how long have...
  3. +1, The limiting factor on tire width is...

    +1,

    The limiting factor on tire width is almost always one or more of these three, and rarely the rim. You can increase tire width by the amount of vertical clearance, or twice the side...
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    252

    There is ABSOLUTELY no technical reason you...

    There is ABSOLUTELY no technical reason you should be having this problem. After all, mtn bikers have been using QR's on disc brake wheels for over a decade, and we don't hear a flood of complaints...
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    817

    As a long time believer of dried apricot as...

    As a long time believer of dried apricot as on-the-road food, I suspect that the comparison may be biased. I haven't checked lately, but suspect that people are comparing dried apricots to fresh...
  6. It isn't what I like or don't like. The OP is...

    It isn't what I like or don't like. The OP is riding a Di2 bike, so I figure he's not a green newbie. He wasn't asking about how to shift or ride, but wanted specific advice on how to solve what he...
  7. Yes, you SHOULD be able to do all sorts of...

    Yes, you SHOULD be able to do all sorts of things, including ride cross chained if you choose to. There may be technical reasons why it's good to avoid cross chaining, but that's not the same as not...
  8. Talk about timing. On my way home today at...

    Talk about timing.

    On my way home today at 5PM, I happened to catch up to a cyclist with a bright, highly visible red strobe. I was impressed with how visible it was in full daylight, so I asked...
  9. Replies
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    237

    I don't understand the problem. Aluminum stems...

    I don't understand the problem. Aluminum stems with Chrome plated hardware have been SOP for over half a century, and are used all over the world. Corrosion is easy to manage unless you drop the...
  10. As the OP said, it's situational. Imagine a...

    As the OP said, it's situational. Imagine a scenario where you have a short steepish hill that you expect to top without down shifting too far. On the approaching descent you used the larger ring...
  11. As pointed out above. Di2 front derailleurs auto...

    As pointed out above. Di2 front derailleurs auto trim, so there may not be a chein engagement issue after all. So step one is check to see if a misadjusted ft. Der is forcing the shift. The...
  12. Replies
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    Dan B. is my go to guy on IGH hubs. He services...

    Dan B. is my go to guy on IGH hubs. He services these routinely whereas these days I do one once in a blue moon (if that often).

    So he may be able to offer a diagnosis based on the pairs of gears...
  13. Thread: Lowerback pain

    by FBinNY
    Replies
    39
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    551

    One of the biggest causes of back pain for newer...

    One of the biggest causes of back pain for newer riders is a saddle slightly too high. This has you reaching for the pedals and your hips ricking with each stroke. The rocking flexes your lower...
  14. I agree completely. ALL gear combinations should...

    I agree completely. ALL gear combinations should work properly. Yes, cross chaining is less efficient, but it can be advantageous in certain situations. I've never owned or would accept a bike...
  15. Replies
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    I suspect that the hubs are complete as is, and...

    I suspect that the hubs are complete as is, and do not take end caps, just a 9mm skewer as I said earlier. You can confirm this easily enough by measuring the axle width.

    BTW- these seem to be...
  16. Replies
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    197

    As Andrew said, there has been some discrepancy...

    As Andrew said, there has been some discrepancy about what EXACTLY the BSC thread was. Yes, the nominal was 1.37x24, but thread fit isn't determined by the major (overall) diameter. The key...
  17. I'm not going to watch your video, but here's a...

    I'm not going to watch your video, but here's a hint. Most people think of retainers as having a top and bottom, and have trouble knowing which is which. Instead, look at the rib, and think about...
  18. My first awareness of age happened when I was...

    My first awareness of age happened when I was younger, and wasn't bike related.

    When I was about 20, my best friend and I would often do all-nighters at a non-profit we were both involved with. ...
  19. If the balls are in a retainer 20:1 you installed...

    If the balls are in a retainer 20:1 you installed one or both upside down.

    BTW- if there are retainers, check before posting "I'm sure they're right side up" because IME the more people think,...
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    298

    You can measure the ID beyond the hex area, and I...

    You can measure the ID beyond the hex area, and I suspect you'll find it's 9mm (+plus a bit for running clearance). Id so, it takes a 9mm thru-axle type QR like the lower one in this photo. (show...
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    Cut off everything down to the top o the fork, or...

    Cut off everything down to the top o the fork, or headset nut, or as close as you feel comfortable going with a hacksaw, then you can finish with a file, until you're down to the inserted diameter. ...
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    180

    Why don't you ask the builder what he uses, so...

    Why don't you ask the builder what he uses, so you'll both be on the same page when the time comes?
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    Parkway Sundays start 5/3 in Westchester

    Parkway Sunday on the Bronx River Parkway, between Tuckahoe and White Plains starts tomorrow, and we have a great weather forecast.

    This is not only a nice amenity -- historically Westchester...
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    169

    The metric description is more meaningful, so you...

    The metric description is more meaningful, so you want a 700c tube with a width range that straddles 28mm, ie a 700 x 25-35mm tube. Since the tube stretches all available space anyway, a precise fit...
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    +1, as the uninjured plaintiff in what may be a...

    +1, as the uninjured plaintiff in what may be a criminal case, the OP has counsel in the form of the prosecutor. There's no logic in pursuing a civil case because there are no monetary damages...
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