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Search: Posts Made By: KerryIrons
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
09-20-24, 08:59 AM
Replies: 7
Views: 160
Posted By KerryIrons

Per other comments, it may well be cheaper to...

Per other comments, it may well be cheaper to replace the entire thing than to try to source just the right crank.
Forum: General Cycling Discussion
09-18-24, 09:49 AM
Replies: 2
Views: 205
Posted By KerryIrons

Good gear spacing is what works for YOU and YOUR...

Good gear spacing is what works for YOU and YOUR riding style. For example, if you are not racing learn to descend in a tight tuck, you really don't NEED a top gear above 100 inches. You coast...
Forum: General Cycling Discussion
09-18-24, 09:38 AM
Replies: 11
Views: 338
Posted By KerryIrons

Just curious, but how did you come to have this...

Just curious, but how did you come to have this ultimate and unarguable wisdom? Rubber saddles? Really? And did you not know that flexible structures can be built from CF composites? Better to...
Forum: General Cycling Discussion
09-18-24, 09:32 AM
Replies: 33
Views: 655
Posted By KerryIrons

Wow. In many decades and hundreds of thousands...

Wow. In many decades and hundreds of thousands of miles, I have never needed anything but a tube, glueless patches, booting material, and a couple of Allen wrenches. Things must be much rougher in...
Forum: Bicycle Mechanics
09-16-24, 02:42 PM
Replies: 19
Views: 371
Posted By KerryIrons

What does this mean? Does it mean a reasonably...

What does this mean? Does it mean a reasonably competent mechanic tried to true the wheel without success? Of does it mean that someone without relevant experience goofed around and things got...
Forum: Bicycle Mechanics
09-14-24, 02:18 PM
Replies: 6
Views: 290
Posted By KerryIrons

Get out your ruler and see what it says. Campy's...

Get out your ruler and see what it says. Campy's historical recommendation is 1/16" in 24 links (12" original length). Chain tools have issues, but you can't fool a ruler. A new chain might "jump"...
Forum: Bicycle Mechanics
09-12-24, 10:26 AM
Replies: 24
Views: 601
Posted By KerryIrons

The only "advantage" is that it makes assembly...

The only "advantage" is that it makes assembly easier. Otherwise, loose balls are better.
Forum: General Cycling Discussion
09-10-24, 02:48 PM
Replies: 15
Views: 749
Posted By KerryIrons

Never used them myself but I vividly remember a...

Never used them myself but I vividly remember a fellow rider getting a flat while using them, and when we pulled the tire off the rim, the tire liner had literally sawed a cut in the inner tube. I...
Forum: Bicycle Mechanics
09-08-24, 10:49 AM
Replies: 28
Views: 1,051
Posted By KerryIrons

Is Google broken where you live?

Is Google broken where you live?
Forum: Bicycle Mechanics
09-08-24, 10:40 AM
Replies: 23
Views: 656
Posted By KerryIrons

^^^ This. I don't live near the sea, but I do...

^^^ This. I don't live near the sea, but I do get caught in the rain. My current wheels were built with this approach, and ten years (over 90K miles) there is zero corrosion and the nipples all...
Forum: General Cycling Discussion
09-08-24, 10:31 AM
Replies: 15
Views: 767
Posted By KerryIrons

While everyone discusses spacers, etc. the key to...

While everyone discusses spacers, etc. the key to eliminating the noise is to put a light film of grease on all contact surfaces.
Forum: Bicycle Mechanics
09-06-24, 09:27 AM
Replies: 36
Views: 1,210
Posted By KerryIrons

Carefully inspect the broken spokes as to where...

Carefully inspect the broken spokes as to where they broke and whether they show corrosion where they broke. Come back with more information than "the spokes broke."
Forum: Bicycle Mechanics
09-04-24, 09:38 AM
Replies: 12
Views: 483
Posted By KerryIrons

Not at all sure why you want a threaded valve...

Not at all sure why you want a threaded valve stem. I purposely use Michelin Presta valve tubes because they aren't threaded and so don't chew up my pump grommet. At any rate, take an inner tube...
Forum: General Cycling Discussion
09-04-24, 09:17 AM
Replies: 18
Views: 991
Posted By KerryIrons

Perfect!

Perfect!
Forum: Bicycle Mechanics
09-02-24, 09:47 AM
Replies: 22
Views: 770
Posted By KerryIrons

Why? The weight savings are minimal and the cogs...

Why? The weight savings are minimal and the cogs wear 3X faster than steel. And that's before even taking cost into account.
Forum: Bicycle Mechanics
09-02-24, 09:40 AM
Replies: 16
Views: 589
Posted By KerryIrons

Nope. That's the way it was made, with more...

Nope. That's the way it was made, with more pointed teeth than the other two rings. If there is any wear, it is on the middle ring, which the OP reports is pretty much the only one used. And that...
Forum: General Cycling Discussion
09-02-24, 09:31 AM
Replies: 18
Views: 991
Posted By KerryIrons

Apparently you do not realize that the weight you...

Apparently you do not realize that the weight you quote is at atmospheric pressure, not at the pressure in the tire. At 100 psig (gauge pressure) that air weighs 7.8 times the weight you quoted...
Forum: General Cycling Discussion
09-02-24, 09:09 AM
Replies: 65
Views: 3,742
Posted By KerryIrons

To sum up what others have said, you're asking...

To sum up what others have said, you're asking too much. Used bikes are worth exactly what someone is willing to pay for them, and if you're not getting offers, it's because they're priced too high....
Forum: Bicycle Mechanics
08-31-24, 03:10 PM
Replies: 13
Views: 547
Posted By KerryIrons

Are you aware that noises transmit through the...

Are you aware that noises transmit through the frame and while they seem to come from one place, they can be from someplace else.It is fairly common to have clicking noises, but ticks and clicks are...
Forum: Bicycle Mechanics
08-31-24, 03:02 PM
Replies: 6
Views: 350
Posted By KerryIrons

I am an engineer. Unless there is a perfect fit...

I am an engineer. Unless there is a perfect fit between the pedal threads and the crank arm threads (there is NOT!) then there is the possibility of movement. Simple as that.
Forum: General Cycling Discussion
08-31-24, 02:48 PM
Replies: 9
Views: 850
Posted By KerryIrons

Note that a statist is someone who believes that...

Note that a statist is someone who believes that government should have a strong role in the private sector. Statist policies are things like government ownership of things like railroads, airlines,...
Forum: Bicycle Mechanics
08-29-24, 03:18 PM
Replies: 9
Views: 353
Posted By KerryIrons

Not really. There are metric equivalents, but...

Not really. There are metric equivalents, but sizes like 1/4", 3/32" etc. are the standards.
Forum: Bicycle Mechanics
08-29-24, 03:15 PM
Replies: 6
Views: 350
Posted By KerryIrons

Why do you say this? Metal to metal can always...

Why do you say this? Metal to metal can always creak if it is not greased. That describes your pedals threaded into your cranks. If/when you can find the source of this kind of noise, cleaning and...
Forum: General Cycling Discussion
08-29-24, 02:36 PM
Replies: 12
Views: 593
Posted By KerryIrons

It's not your wheels or tires. It could be a...

It's not your wheels or tires. It could be a headset that needs some maintenance/adjustment. There are some bikes (and some riders) that trigger these resonances. The "almost guaranteed" fix is to...
Forum: General Cycling Discussion
08-25-24, 05:22 PM
Replies: 29
Views: 1,136
Posted By KerryIrons

Poor job taping the bars. They aren't "peeling."...

Poor job taping the bars. They aren't "peeling." The tape has crept around the bar. Retape properly and they will be better than new.
Forum: Bicycle Mechanics
08-21-24, 05:23 PM
Replies: 9
Views: 371
Posted By KerryIrons

How did you take the chain off? If you have a...

How did you take the chain off? If you have a quick link, carefully watch what it does as you pedal the chain around a few times. If you used a chain tool, it's quite possible that you caused a...
Forum: General Cycling Discussion
08-21-24, 04:34 PM
Replies: 17
Views: 809
Posted By KerryIrons

Yup. And thus, even if your tires don't have...

Yup. And thus, even if your tires don't have wear markers, you will just be able to see the casing through the rubber when the tires are ready to be tossed.
Forum: Bicycle Mechanics
08-19-24, 01:24 PM
Replies: 6
Views: 387
Posted By KerryIrons

Exactomundo. You have chosen the right path.

Exactomundo. You have chosen the right path.
Forum: Bicycle Mechanics
08-19-24, 01:23 PM
Replies: 10
Views: 420
Posted By KerryIrons

And it depends on the amount of force applied. ...

And it depends on the amount of force applied. Hard chargers with lots of power are going to wear out a chain faster. Combine that with a good quality chain, good riding conditions, chain...
Forum: General Cycling Discussion
08-19-24, 12:50 PM
Replies: 12
Views: 621
Posted By KerryIrons

This sums it up. Shorter cranks make it easier to...

This sums it up. Shorter cranks make it easier to spin. Otherwise it is all personal preference. Many studies over many years have reached the conclusion that every study reaches a different...
Forum: Bicycle Mechanics
08-17-24, 03:24 PM
Replies: 7
Views: 263
Posted By KerryIrons

Look closely at the mechanism as it flexes. You...

Look closely at the mechanism as it flexes. You should be able to see what is happening. It might be as simple as needing lube. Otherwise it might need to be returned if there is some mechanical...
Forum: General Cycling Discussion
08-17-24, 03:20 PM
Replies: 54
Views: 2,282
Posted By KerryIrons

Not to be harsh, but wouldn't it be a lot more...

Not to be harsh, but wouldn't it be a lot more time and cost efficient for you to learn how to maintain your bike? I understand why the shop might have your bike for 2 weeks, but if you were...
Forum: General Cycling Discussion
08-17-24, 03:14 PM
Replies: 6
Views: 422
Posted By KerryIrons

Pretty much a preposterous statement. Not much...

Pretty much a preposterous statement. Not much is likely to melt, but the heat will make everything plastic or rubber age faster. It's possible, if your tires were already at the limit for the...
Forum: General Cycling Discussion
08-17-24, 03:10 PM
Replies: 16
Views: 776
Posted By KerryIrons

Lots of choices, but I have had good luck with...

Lots of choices, but I have had good luck with Profile as well.
Forum: Bicycle Mechanics
08-15-24, 02:37 PM
Replies: 9
Views: 486
Posted By KerryIrons

You're quoting BB threading, which has an...

You're quoting BB threading, which has an influence on the axle in that the length needs to be right. Your 36x24 is Italian threaded (both sides right hand thread, 36 mm diameter, 24 tpi). ...
Forum: Bicycle Mechanics
08-15-24, 02:30 PM
Replies: 2
Views: 202
Posted By KerryIrons

Are you sure the sound you hear when the wheel is...

Are you sure the sound you hear when the wheel is rolling is coming from the source you can flex when the wheel is static? And when you say "squeezing rim at the joint point" what exactly are you...
Forum: General Cycling Discussion
08-13-24, 04:07 PM
Replies: 26
Views: 775
Posted By KerryIrons

Depends on the category, no?

Depends on the category, no?
Forum: General Cycling Discussion
08-13-24, 04:02 PM
Replies: 6
Views: 373
Posted By KerryIrons

The bike bus, like the walking school bus, has...

The bike bus, like the walking school bus, has been around for decades. It takes parents to make it work, but when you have the right adults in the mix, it works really well. It is not automatic...
Forum: General Cycling Discussion
08-13-24, 03:18 PM
Replies: 26
Views: 775
Posted By KerryIrons

Amazing that nobody here understands that you...

Amazing that nobody here understands that you have to qualify to be in the national championships. Look that up (in the top 25% in some big races) and see where that takes you.
Forum: Bicycle Mechanics
08-11-24, 05:23 PM
Replies: 29
Views: 1,146
Posted By KerryIrons

What level of math did you reach in school? 1/4"...

What level of math did you reach in school? 1/4" in 18" equals 1/2" in 36", but you say 1" on 32". Doesn't add up. I really doubt the 1" elongation number, but 1/4" in 18" is WAY worn out. No...
Forum: Bicycle Mechanics
08-11-24, 05:17 PM
Replies: 61
Views: 2,911
Posted By KerryIrons

I'm guessing there was a chain hanger (to put the...

I'm guessing there was a chain hanger (to put the chain on when you remove the rear wheel) and that got ripped out of the frame when the chain jammed up there. Just guessing.
Forum: Bicycle Mechanics
08-11-24, 05:10 PM
Replies: 11
Views: 538
Posted By KerryIrons

So many things to check, but it could be...

So many things to check, but it could be something as simple as the front deraileur cable hitting the crank. For a more exhaustive list:- BB (grease all threads in contact with the frame and BB, all...
Forum: Bicycle Mechanics
08-09-24, 09:47 AM
Replies: 15
Views: 774
Posted By KerryIrons

You mean like from sweat? On a hot/humid ride,...

You mean like from sweat? On a hot/humid ride, my bar tape is saturated with sweat by the time I get home. Short of re-wrapping the bars after every ride (not to mention getting all the salt out of...
Forum: General Cycling Discussion
08-09-24, 09:42 AM
Replies: 100
Views: 4,025
Posted By KerryIrons

Yup. And think of the savings in rotating...

Yup. And think of the savings in rotating weight! I got my first bike with Presta valves in 1969. I've ridden several hundred thousand miles since then. And never with a Presta valve cap. Oh,...
Forum: General Cycling Discussion
08-09-24, 09:20 AM
Replies: 9
Views: 658
Posted By KerryIrons

Patent application filed in 1993.

Patent application filed in 1993.
Forum: General Cycling Discussion
08-09-24, 09:12 AM
Replies: 7
Views: 497
Posted By KerryIrons

Agree. That looks like more than a paint crack,...

Agree. That looks like more than a paint crack, but you can't easily tell from the photos. You show one end of the dropout bolted to the frame, but we don't see the other end so it's not clear what...
Forum: General Cycling Discussion
08-09-24, 09:04 AM
Replies: 5
Views: 585
Posted By KerryIrons

One has to wonder whether there is structural...

One has to wonder whether there is structural material (steel?) behind that butter. I have a VERY hard time believing that butter has the strength to stand on its own like that. But it's still cool...
Forum: Bicycle Mechanics
08-07-24, 03:05 PM
Replies: 15
Views: 774
Posted By KerryIrons

On my previous bike, sweat would corrode my...

On my previous bike, sweat would corrode my aluminum bars every 30-40,000 miles. On my current bike, I have 90,000 miles on some Thompson CF bars with zero issues. I weigh about 175 lbs. so the...
Forum: Bicycle Mechanics
07-26-24, 09:24 AM
Replies: 1
Views: 293
Posted By KerryIrons

If you want to keep the power meter function,...

If you want to keep the power meter function, then any power meter cranks that are compatible with your bottom bracket will work. If you don't care about the power meter, then any cranks that are...
Forum: General Cycling Discussion
07-26-24, 09:15 AM
Replies: 34
Views: 1,675
Posted By KerryIrons

How hot is it getting in your garage? For...

How hot is it getting in your garage? For reference, if you pump to 100 psi (which is at the high end of what pressure you should be using) at 70 F, and the garage gets to 140 F, your pressure would...
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