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#181
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Impressions from Bike to Work Day
On May 18, 10:53*am, Peter Cole wrote:
On 5/18/2011 10:29 AM, Lou Holtman wrote: On 18 mei, 14:47, Peter *wrote: It still functions as a "tool-less" release, which is fine. LL's are easily removed, not so easily added. I'm fine with them. I'm not. Would you dremel/file the LL from a fork with carbon dropouts? LL and QR are a stupid combination period. Lou I don't think I'd use carbon dropouts, or anything but steel, for that matter. If I did, I don't suppose that filing off the lip would make much difference. I don't remove LL's, I don't find them to be much of a burden, spinning the skewer a couple of times only takes a few seconds. Yah, what's the fuss. Takes about ten seconds tops. A lot less time than getting out a peanut butter wrench and tightening two nuts, plus you don't have to lug around a wrench. If you're racing and need a quick wheel change, well, they're a little slow, but in an amateur race, its not as though ten seconds is going to make much of a difference. You're going to have to adjust the QR on the generic wheel from a neutral support car or wait for your car to arrive -- and then because you are an amateur, you are probably not going to catch up anyway. Alternately, you can file off the ridges. People do file them off CF drop outs -- but then people do a lot of questionable things. -- Jay Beattie. |
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#182
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Impressions from Bike to Work Day
Op 18-5-2011 20:08, Jay Beattie schreef:
On May 18, 10:53 am, Peter wrote: On 5/18/2011 10:29 AM, Lou Holtman wrote: On 18 mei, 14:47, Peter wrote: It still functions as a "tool-less" release, which is fine. LL's are easily removed, not so easily added. I'm fine with them. I'm not. Would you dremel/file the LL from a fork with carbon dropouts? LL and QR are a stupid combination period. Lou I don't think I'd use carbon dropouts, or anything but steel, for that matter. If I did, I don't suppose that filing off the lip would make much difference. I don't remove LL's, I don't find them to be much of a burden, spinning the skewer a couple of times only takes a few seconds. Yah, what's the fuss. Takes about ten seconds tops. A lot less time than getting out a peanut butter wrench and tightening two nuts, plus you don't have to lug around a wrench. It is not the time it costs to remove the wheel. It is about the fact that you have to adjust the QR again when you putting the wheel back in again. Because some dumb people who are not able to do is the reason why we are stuck with LL. What a concept... Lou |
#183
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Impressions from Bike to Work Day
On 5/18/2011 11:35 AM, Lou Holtman wrote:
Because some dumb people who are not able to do is the reason why we are stuck with LL. That's not the reason. But of course you already knew that. |
#184
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Impressions from Bike to Work Day
Op 18-5-2011 21:02, SMS schreef:
On 5/18/2011 11:35 AM, Lou Holtman wrote: Because some dumb people who are not able to do is the reason why we are stuck with LL. That's not the reason. But of course you already knew that. Tell me.. Lou |
#185
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Impressions from Bike to Work Day
On 5/18/2011 12:22 PM, Lou Holtman wrote:
Op 18-5-2011 21:02, SMS schreef: On 5/18/2011 11:35 AM, Lou Holtman wrote: Because some dumb people who are not able to do is the reason why we are stuck with LL. That's not the reason. But of course you already knew that. Tell me.. Lou It was already mentioned in this thread. The reason we are stuck with them is because of a) wheel ejection caused by disc brakes, b) wheels falling off not because of the owner failing to properly use the QR but because someone else, either accidentally or on purpose did not secure the QR properly. Secondary systems are used in a plethora of products where failure of the primary system could result in serious injury. And of course we're not really "stuck" with them. People remove them if they don't like them. Other than the rare case of CF dropouts, it's not a problem to remove them. Very few carbon fiber forks have carbon fiber dropouts at all, and of those that do few lack some sort of metal over the carbon fiber, but yes, in the rare case of carbon-fiber dropouts, removing the secondary retention system might not be the greatest idea. |
#186
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Impressions from Bike to Work Day
On May 18, 2:08*pm, Jay Beattie wrote:
If you're racing and need a quick wheel change, well, they're a little slow, but in an amateur race, its not as though ten seconds is going to make much of a difference. Whoa! That's been called heresy around here! ;-) - Frank Krygowski |
#187
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Impressions from Bike to Work Day
On May 18, 3:51*pm, SMS wrote:
On 5/18/2011 12:22 PM, Lou Holtman wrote: Op 18-5-2011 21:02, SMS schreef: On 5/18/2011 11:35 AM, Lou Holtman wrote: Because some dumb people who are not able to do is the reason why we are stuck with LL. That's not the reason. But of course you already knew that. Tell me.. Lou It was already mentioned in this thread. The reason we are stuck with them is because of a) wheel ejection caused by disc brakes, b) wheels falling off not because of the owner failing to properly use the QR but because someone else, either accidentally or on purpose did not secure the QR properly. Bull****, as usual. Lawyer lips predate front disk brakes. And I've stopped riders and taught them how to use quick releases, when I saw theirs were used backwards, i.e. just spun into place with the clamp open. One of those incidents involved a Professor of English. He was a bit amazed and very grateful. (It proved to me that mechanical aptitude is not a qualification for multiple degrees in English.) - Frank Krygowski |
#188
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Impressions from Bike to Work Day
On May 18, 1:19*pm, Frank Krygowski wrote:
On May 18, 2:08*pm, Jay Beattie wrote: If you're racing and need a quick wheel change, well, they're a little slow, but in an amateur race, its not as though ten seconds is going to make much of a difference. Whoa! *That's been called heresy around here! *;-) I should say it doesn't matter if you're already off the back with a flat tire waiting for a spare wheel. And maybe that is wrong for a really, really strong cyclist. For me, if I got a wheel from neutral support, it was usually a rear wheel with some funky freewheel/cassette that skipped, and I was lucky to finish the race. If it was my own wheel, then I had to dig it out from all the other wheels in the follow car -- the process was never fast. Ten seconds mattered only in determining which grupetto I would be in. On criteriums with free laps, though, a wheel change is do- able without significant penalty. I never flatted in a crit though -- always in some road race in the middle of nowhere -- once with no support (and no spare). I sat in the middle of nowhere outside Medford with a corner marshal until the course closed down (3 25-mile laps around a hilly circuit -- I flatted lap two). -- Jay Beattie. |
#189
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Impressions from Bike to Work Day
Chalo wrote:
john B. wrote: But do you need to put little yellow stickers on the forks, pointing at the drop-outs, saying "failure to tighten this may result in loss of wheel"? It would seem to me that there must be a case for protection against people attempting to operate something that they are not qualified to operate. Rather like practicing medicine without a license. I have often thought that there should be an operator's license for bicycles. Just so that folks would have to demonstrate ability to fix a flat and oil their chain before they get one, and so they could lose it for riding a brakeless fixie on the street, or for using white cork handlebar tape. Most people who have them do not need QR skewers, or drop bars, or clipless pedals, or chain tugs, or a host of other things. Having skills tests associated with such items might help discourage their frivolous use. Chalo That's silly. Would I have to prove I'm illiterate before buying a television? Give a blood sample for a glucose level test before buying candy? People want things for often complex and obscure reasons (which even the buyer may not fully grasp) and that's fine with me. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#190
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Impressions from Bike to Work Day
john B. wrote:
On Wed, 18 May 2011 01:40:46 -0700 (PDT), Chalo wrote: john B. wrote: But do you need to put little yellow stickers on the forks, pointing at the drop-outs, saying "failure to tighten this may result in loss of wheel"? It would seem to me that there must be a case for protection against people attempting to operate something that they are not qualified to operate. Rather like practicing medicine without a license. I have often thought that there should be an operator's license for bicycles. Just so that folks would have to demonstrate ability to fix a flat and oil their chain before they get one, and so they could lose it for riding a brakeless fixie on the street, or for using white cork handlebar tape. Most people who have them do not need QR skewers, or drop bars, or clipless pedals, or chain tugs, or a host of other things. Having skills tests associated with such items might help discourage their frivolous use. Chalo Brakeless fixie? I used to ride a brakeless coaster brake. (But one should be wearing shoe before putting one's toe on the front wheel). We just did a fork alignment for a young girl who couldn't quite manage that. Her foot was still various shades of blue. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
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