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Search: Posts Made By: cny-bikeman
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
06-05-23, 07:51 PM
Replies: 22
Views: 903
Posted By cny-bikeman

The fact that occurs once or twice perd...

The fact that occurs once or twice perd revolution pretty much narrows it down to the pedals, cranks, or bottom bracket. After listening with the audio turned up on the video it sounds like too low a...
Forum: Bicycle Mechanics
06-04-23, 12:07 PM
Replies: 6
Views: 374
Posted By cny-bikeman

You're missing a way to separate the derailleur...

You're missing a way to separate the derailleur from the integrated hanger. Most people don't need a DAG unless they work on multiple bikes, especially those with high cog counts.
Forum: Bicycle Mechanics
06-04-23, 09:04 AM
Replies: 20
Views: 2,443
Posted By cny-bikeman

I may be wrong, but the pulleys look like they...

I may be wrong, but the pulleys look like they are not in line vertically, and it looks like I can see the side of one while looking down the centerline of the other. That woujld mean they are out in...
Forum: Bicycle Mechanics
06-03-23, 03:33 PM
Replies: 46
Views: 2,512
Posted By cny-bikeman

Thanks, I suspected you had a small chainring,...

Thanks, I suspected you had a small chainring, but did not have the information. But even with a 38t one should be going about 20mph to use it.
Forum: Bicycle Mechanics
06-03-23, 02:52 PM
Replies: 13
Views: 568
Posted By cny-bikeman

No, I am not saying that. FB recommended testing...

No, I am not saying that. FB recommended testing derailleur operation by pulling the cable directly (at the down tube). I said that if it is NOT working properly then check alignment before limit...
Forum: Bicycle Mechanics
06-03-23, 01:40 PM
Replies: 39
Views: 1,106
Posted By cny-bikeman

The small-small combination is a bad choice for 3...

The small-small combination is a bad choice for 3 reasons:
1. There is a large angle in the chain, which is more stressful, as well as creating the problem you are having.
2. It is a relatively...
Forum: Bicycle Mechanics
06-03-23, 01:33 PM
Replies: 13
Views: 568
Posted By cny-bikeman

FB's recommendation is the first one to follow,...

FB's recommendation is the first one to follow, as then you know if the derailleur itself is operating properly. But if it is not, then you need to check the derailleurs alignment before you touch...
Forum: Bicycle Mechanics
06-03-23, 01:24 PM
Replies: 46
Views: 2,512
Posted By cny-bikeman

Well, I asked about the "combo" of your high...

Well, I asked about the "combo" of your high gear, meaning front/rear. I assumed the rear was 11, as that is the idiotic industry standard. Assuming you have only a 50t chainring, a very modest 70...
Forum: Bicycle Mechanics
06-03-23, 06:40 AM
Replies: 46
Views: 2,512
Posted By cny-bikeman

I just came across your post, but this is a clear...

I just came across your post, but this is a clear tipoff to a bent hanger (or twisted derailleur pulley): "If I adjust the barrel too far to get the 2 to 3 good, I sometimes have a problem with the 9...
Forum: Bicycle Mechanics
06-03-23, 06:25 AM
Replies: 22
Views: 903
Posted By cny-bikeman

It would be a lot of unnecessary work to check...

It would be a lot of unnecessary work to check every suggestion made above, and may complicate things further. If you answer the questions I posted and perhaps upload a better video it would make the...
Forum: Bicycle Mechanics
06-03-23, 06:14 AM
Replies: 4
Views: 352
Posted By cny-bikeman

That's somewhat helpful but it's not at all a...

That's somewhat helpful but it's not at all a comprehensive list, and indicates a shotgun approach - try all of these things just in case. The first step in solving a problem is narrowing down the...
Forum: Bicycle Mechanics
06-03-23, 05:37 AM
Replies: 22
Views: 903
Posted By cny-bikeman

A better video could possibly help - perhaps have...

A better video could possibly help - perhaps have someone trot alongside you or pan as you ride slowly by. That would help clearly see the relationship between the noise and crank or wheel rotation....
Forum: Bicycle Mechanics
11-08-19, 08:30 AM
Replies: 9
Views: 638
Posted By cny-bikeman

A light fork will do little or nothing for you (a...

A light fork will do little or nothing for you (a fork only weighs a couple pounds in the first place) and it's a bit odd that you have no concerns about strength after destroying the previous one.
Forum: Bicycle Mechanics
11-03-19, 12:35 PM
Replies: 41
Views: 11,115
Posted By cny-bikeman

No, you also misread my post. I am saying that if...

No, you also misread my post. I am saying that if your goal is to be more efficient or fast, then it's better to ride your bike than to spend time on "engineering for speed" IF your focus is on...
Forum: Bicycle Mechanics
11-03-19, 08:54 AM
Replies: 41
Views: 11,115
Posted By cny-bikeman

The original topic had nothng to do with getting...

The original topic had nothng to do with getting repairs right, so my comment stands. I was not criticizing the info that arose incidentally that could actually be of some use.
Forum: Bicycle Mechanics
11-03-19, 07:23 AM
Replies: 41
Views: 11,115
Posted By cny-bikeman

Sorry to be a grouch, but you (and others with...

Sorry to be a grouch, but you (and others with similar concerns about bearing friction or bike component weight) have lost far more in the time you have already spent obsessing over an...
Forum: Bicycle Mechanics
11-03-19, 06:16 AM
Replies: 27
Views: 1,865
Posted By cny-bikeman

If you're going single chainring then make sure...

If you're going single chainring then make sure that the chanring is not too large, especially if the small cog is 11 or 12. I think it's absurd when limited to a single ring to go larger than 48 for...
Forum: Bicycle Mechanics
11-02-19, 09:02 PM
Replies: 51
Views: 5,839
Posted By cny-bikeman

Whether or not the jack works for the original OP...

Whether or not the jack works for the original OP it seems odd that nobody mentioned some of the hints to help anyone in mounting tires.
1. Always start on the opposite side of the wheel from the...
Forum: Bicycle Mechanics
08-10-19, 05:59 AM
Replies: 26
Views: 19,975
Posted By cny-bikeman

If the chain has been replaced it may have been...

If the chain has been replaced it may have been sized too long. Also possible there is a problem with the pulley tensioning spring. "Never" is an exaggeration, but especially the small-small combo is...
Forum: Bicycle Mechanics
07-09-19, 06:56 AM
Replies: 55
Views: 12,509
Posted By cny-bikeman

I could understand avoiding chain removal in the...

I could understand avoiding chain removal in the "old days", but with the advent of quick links I don't see the problem. It actually takes much less interaction time to use a real oil solvent off the...
Forum: Bicycle Mechanics
07-09-19, 06:53 AM
Replies: 8
Views: 804
Posted By cny-bikeman

You did not mention the pedals. If you have not...

You did not mention the pedals. If you have not done so, remove them, clean the surfaces where pedals meet the crank faces, grease threads and reinstall. Chainwheel bolt can also cause clicking -...
Forum: Bicycle Mechanics
03-21-19, 06:16 AM
Replies: 6
Views: 990
Posted By cny-bikeman

If the bike is quite old and previously...

If the bike is quite old and previously mistreated it's possible that the right dropout may be damaged by repeated slippage, and no longer gives the nut on the axle a flat surface to grab. sometimes...
Forum: Bicycle Mechanics
03-21-19, 06:12 AM
Replies: 20
Views: 1,316
Posted By cny-bikeman

I dislike YouTube as any kind of primary source....

I dislike YouTube as any kind of primary source. I recommend first referring to Parktool.com or Sheldonbrown.com written instructions with pictures, then go to Park Tool videos. Other videos are...
Forum: Bicycle Mechanics
03-17-19, 09:12 PM
Replies: 43
Views: 7,262
Posted By cny-bikeman

You are arguing against a stance I have not...

You are arguing against a stance I have not taken, and misinterpreting what I originally said. The statement I quoted implied bubba could flex the frame, even when not pedaling, by twisting the...
Forum: Bicycle Mechanics
03-17-19, 07:44 AM
Replies: 43
Views: 7,262
Posted By cny-bikeman

I did not say the frame was not flexy, only that...

I did not say the frame was not flexy, only that I doubted the OP was detecting frame flex, as opposed to flex of the hb/stem
Forum: Bicycle Mechanics
12-13-18, 01:24 PM
Replies: 24
Views: 2,851
Posted By cny-bikeman

It's not par, but more like a double bogey to not...

It's not par, but more like a double bogey to not attend to wheel truing/tension for a couple years. In the 2nd case you should take any new bike back for a break-in check after a few weeks of...
Forum: Bicycle Mechanics
12-01-18, 10:30 AM
Replies: 55
Views: 118,901
Posted By cny-bikeman

Well, as long at the zombie thread has gone...

Well, as long at the zombie thread has gone astray anyway anyway, one could just Google the original question. Even simpler, if one merely types in 11/16 in, Google will display options for...
Forum: Bicycle Mechanics
12-01-18, 10:22 AM
Replies: 11
Views: 1,222
Posted By cny-bikeman

Actually, I've found that fiddling is preferable...

Actually, I've found that fiddling is preferable to poking around, and, tweaking is even better. However, I just came on this odd recommendation recently that one use a bizarre new approach. It's...
Forum: Bicycle Mechanics
11-27-18, 04:37 PM
Replies: 19
Views: 11,211
Posted By cny-bikeman

That gap is absolutely nothing but an aesthetic...

That gap is absolutely nothing but an aesthetic issue. There is no force on the wheel that will push it backward. The only purpose of putting something on the left side is to make it quicker to mount...
Forum: Bicycle Mechanics
11-05-18, 11:02 AM
Replies: 26
Views: 1,876
Posted By cny-bikeman

Whoops - don't know why I posted that. I've noted...

Whoops - don't know why I posted that. I've noted many times that the same link comes around based on the. number of chain links divided by chainwheel teeth in use..
Forum: Bicycle Mechanics
10-28-18, 02:02 PM
Replies: 64
Views: 5,938
Posted By cny-bikeman

Your assumption seems to be that if the rear...

Your assumption seems to be that if the rear triangle does not flex the pressure you apply to the pedals will result in more efficient forward motion. But pedals are off-center to the bike, so it...
Forum: Bicycle Mechanics
10-26-18, 08:36 AM
Replies: 22
Views: 1,508
Posted By cny-bikeman

If the loosening spoke cannot be tensioned to...

If the loosening spoke cannot be tensioned to roughly the same spec as the others on the same side then the rim is distorted at that point, period. It does not matter whether or not you can see it....
Forum: Bicycle Mechanics
10-26-18, 08:29 AM
Replies: 11
Views: 718
Posted By cny-bikeman

Caused by autocorrect combined with modern "just...

Caused by autocorrect combined with modern "just get it posted, hang what it looks like". I'm finding more and more typos and poor grammar even in commercial new sites.
Forum: Bicycle Mechanics
10-26-18, 08:26 AM
Replies: 14
Views: 1,233
Posted By cny-bikeman

If the rim itself is out of round - typically a...

If the rim itself is out of round - typically a flat spot - riding will not fix the problem. If it's due to spoke tension you would need a bit of luck for it to come back into round.
Forum: Bicycle Mechanics
10-20-18, 04:05 PM
Replies: 23
Views: 2,903
Posted By cny-bikeman

I agree with the other comments that it is...

I agree with the other comments that it is useless to try to remove rust from those wheels. Wherever you see rust chrome no longer exists, as chrome does not rust. The wheels will just rust again...
Forum: Bicycle Mechanics
10-18-18, 04:53 PM
Replies: 20
Views: 2,384
Posted By cny-bikeman

To go faster: Step away from the keyboard ...

To go faster:

Step away from the keyboard
Use the time you were researching how to save grams to ride more instead.
Forum: Bicycle Mechanics
10-18-18, 03:05 PM
Replies: 10
Views: 1,359
Posted By cny-bikeman

Forgive me, but I don't think it's done well. ...

Forgive me, but I don't think it's done well.

First, the smallest rear cog is not the "low" gear, as should be obvious by the fact that the shifter position is labeled "8". You also use incorrect...
Forum: Bicycle Mechanics
10-14-18, 09:43 PM
Replies: 17
Views: 9,040
Posted By cny-bikeman

The chain has several times more links than the...

The chain has several times more links than the inner ring has teeth, so it would not occur that often - would take several revolutions of the crank to bring around the same section of chain. If it...
Forum: Bicycle Mechanics
10-12-18, 09:32 AM
Replies: 15
Views: 1,982
Posted By cny-bikeman

When it shifts OK for a while and then fails a...

When it shifts OK for a while and then fails a housing fault would be the first thing I would suspect. The reason is that limit screws do not easily change, and the same goes for tension adjusters....
Forum: Bicycle Mechanics
10-09-18, 06:51 AM
Replies: 12
Views: 701
Posted By cny-bikeman

Forget that - what about time to give each bike...

Forget that - what about time to give each bike enough saddle time that it does not feel neglected, while keeping your wife happy as well! (I initially constructed that sentence a little differently,...
Forum: Bicycle Mechanics
10-06-18, 03:47 PM
Replies: 13
Views: 4,632
Posted By cny-bikeman

They're about $16 new from ebay, and much easier...

They're about $16 new from ebay, and much easier on your trigger finger.
Forum: Bicycle Mechanics
10-06-18, 01:49 PM
Replies: 13
Views: 4,632
Posted By cny-bikeman

Still not clear. Does the gear shifter (on the...

Still not clear. Does the gear shifter (on the handlebar) not stay in position, and therefore shifts the hub to 2nd gear, or does the shifter remain in the 1st gear position but the hub shifts out of...
Forum: Bicycle Mechanics
10-06-18, 01:43 PM
Replies: 13
Views: 704
Posted By cny-bikeman

You just said in post 5 that you had it on the...

You just said in post 5 that you had it on the large chainwheel and the small cog when you had the problem, but now you said you have always had it on the middle chainwheel. If you change to a...
Forum: Bicycle Mechanics
10-06-18, 07:23 AM
Replies: 13
Views: 704
Posted By cny-bikeman

The combination of the large chainwheel in front...

The combination of the large chainwheel in front and the smallest cog in back should only be ridden when you are going over 20mph. When riding your feet should be turning the pedals at least one...
Forum: Bicycle Mechanics
10-01-18, 10:00 AM
Replies: 9
Views: 924
Posted By cny-bikeman

I would just go for new pedals, and search for...

I would just go for new pedals, and search for alloy quill pedals rather than platform if you want the same type as pictured. Rather than depending only on a few recommendations here look for ones...
Forum: Bicycle Mechanics
10-01-18, 08:53 AM
Replies: 4
Views: 529
Posted By cny-bikeman

There's no good reason to merely keep the same...

There's no good reason to merely keep the same spoke length. If you actually mean can you reuse the spokes, it's not merely a question of length, but of what condition they are in. Also, if your rim...
Forum: Bicycle Mechanics
09-30-18, 12:11 PM
Replies: 2
Views: 367
Posted By cny-bikeman

...also may occur with bad chainline, such as...

...also may occur with bad chainline, such as riding the small chainring (esp. on triple) with small rear cogs.
Forum: Bicycle Mechanics
09-26-18, 09:55 PM
Replies: 17
Views: 1,465
Posted By cny-bikeman

Still, with the search I mentioned there are...

Still, with the search I mentioned there are several well-rated stands for $50 or less. The retail price for that stand is not reasonable - the $24 is probably closer to what it's actually worth. Go...
Forum: Bicycle Mechanics
09-26-18, 09:59 AM
Replies: 26
Views: 1,876
Posted By cny-bikeman

There's no "but" necessary. I did not say it was...

There's no "but" necessary. I did not say it was impossible for the chain link to cause the symptom, merely that it was unlikely, so that looking at the chain as a cause is very seldom productive. Rm...
Forum: Bicycle Mechanics
09-26-18, 06:37 AM
Replies: 17
Views: 1,465
Posted By cny-bikeman

That is one hefty litote - the two reviews are...

That is one hefty litote - the two reviews are awful. It may be quibbling, but I don't care for products where the supplier does not bother with a clear, grammatical description. Finally, a simple...
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