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Search: Posts Made By: Kontact
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
05-26-24, 10:38 PM
Replies: 17
Views: 303
Posted By Kontact

In all fairness to Cafelatex, this product is...

In all fairness to Cafelatex, this product is primarily a conversion strip to make normal rims into tubeless:
...
Forum: Bicycle Mechanics
05-26-24, 09:12 PM
Replies: 2
Views: 42
Posted By Kontact

The rear derailleurs aren't compatible. ...

The rear derailleurs aren't compatible.


The fronts shouldn't be a problem - very similar cable pull.
Forum: Bicycle Mechanics
05-26-24, 09:09 PM
Replies: 75
Views: 1,341
Posted By Kontact

Clamping forces really don't care about whether...

Clamping forces really don't care about whether there is a lubricant - especially when the lubricant doesn't have any particulate to prevent the clamping forces from squeezing the lube out of the...
Forum: Bicycle Mechanics
05-26-24, 07:47 PM
Replies: 5
Views: 80
Posted By Kontact

Generally speaking, if the nipple broke this way...

Generally speaking, if the nipple broke this way it is because the spokes were too short and ended before the head of the nipple. Short of buying new spokes, not a lot you can do about that.

But...
Forum: Cyclocross and Gravelbiking (Recreational)
05-26-24, 06:46 PM
Replies: 1
Views: 51
Posted By Kontact

A Litespeed Flint gravel frame is $2100 currently...

A Litespeed Flint gravel frame is $2100 currently on sale for $1600. Where are you getting your numbers? What's "roughly the same"?

I like Lynskey, but I've noticed their frame weights tend to be...
Forum: Bicycle Mechanics
05-26-24, 06:39 PM
Replies: 17
Views: 303
Posted By Kontact

So he can go to 55mm since the rim is 19mm...

So he can go to 55mm since the rim is 19mm internally.
Forum: Bicycle Mechanics
05-26-24, 02:03 PM
Replies: 75
Views: 1,341
Posted By Kontact

Most bikes ever made are steel bikes with steel...

Most bikes ever made are steel bikes with steel seatposts. No new techniques needed.
Forum: Bicycle Mechanics
05-26-24, 12:39 PM
Replies: 75
Views: 1,341
Posted By Kontact

The OPs bike is not a folder, so maybe advice...

The OPs bike is not a folder, so maybe advice that is intended for folders isn't applicable to this thread?
Forum: Bicycle Mechanics
05-26-24, 11:59 AM
Replies: 17
Views: 303
Posted By Kontact

There is a ledge. You can see the ledge in the...

There is a ledge. You can see the ledge in the cross section I posted - it even slopes toward the bead to keep the bead seated. That's a XR26T rim.

I haven't used Cafelatex, but I suspect that...
Forum: Bicycle Mechanics
05-26-24, 11:26 AM
Replies: 75
Views: 1,341
Posted By Kontact

As seen in multiple threads, you have some weird...

As seen in multiple threads, you have some weird ideas about lubricants - and many of them are wrong. Maybe stop offering advice about them?


And anyone drilling a hole right about the seat tube...
Forum: Bicycle Mechanics
05-26-24, 11:23 AM
Replies: 75
Views: 1,341
Posted By Kontact

You're going to seize your post in place by not...

You're going to seize your post in place by not greasing it. That's basic bike mechanics.
Forum: Bicycle Mechanics
05-26-24, 11:06 AM
Replies: 17
Views: 303
Posted By Kontact

1. You chose the wrong rim strip. Certain...

1. You chose the wrong rim strip. Certain tire/rim combinations require thicker rim strips to work right, and tape strips are the easiest way to make that happen with additional layers.
2. A...
Forum: Tandem Cycling
05-25-24, 11:42 AM
Replies: 9
Views: 192
Posted By Kontact

You can't make a spindle longer by adding...

You can't make a spindle longer by adding spacers. Spacers make the spindle effectively shorter.
Forum: Framebuilders
05-25-24, 11:38 AM
Replies: 59
Views: 2,485
Posted By Kontact

Nitrogen embrittlement isn't a real thing. That's...

Nitrogen embrittlement isn't a real thing. That's why Jordanjw is posting articles that are little more than advertising on commercial websites written by experts like "Brian".

Nitrogen is used...
Forum: Bicycle Mechanics
05-24-24, 11:49 PM
Replies: 29
Views: 625
Posted By Kontact

You should google "oilslick chain" sometime. ...

You should google "oilslick chain" sometime.

rosefarts Thanks for trying that out. I'm surprised you could get it to latch - I wonder if a new link or new chain would have closed.
Forum: Framebuilders
05-24-24, 11:39 PM
Replies: 59
Views: 2,485
Posted By Kontact

How did you come to decide to be concerned by...

How did you come to decide to be concerned by nitrogen embrittlement in an application that doesn't have a high failure rate?

It also seems that the nitrogen embrittlement of concern is not from...
Forum: Tandem Cycling
05-23-24, 07:35 PM
Replies: 9
Views: 192
Posted By Kontact

Should work, as long as you have a 68mm bottom...

Should work, as long as you have a 68mm bottom bracket width.
Forum: Classic & Vintage
05-23-24, 05:29 PM
Replies: 33
Views: 1,358
Posted By Kontact

If you look at 3670 in the diagram, it has the...

If you look at 3670 in the diagram, it has the flat sided hole so it can't rotate on the flat sided braze on boss. If it can't rotate, it can't turn the screw head.

Of course, all friction...
Forum: Framebuilders
05-23-24, 05:16 PM
Replies: 14
Views: 341
Posted By Kontact

If the dropouts were wrong height wise, that...

If the dropouts were wrong height wise, that would cause the top of the wheel to be right or left of center. The seat stays are the ones by the top of the wheel, so if the wheel is centered in the...
Forum: Framebuilders
05-22-24, 08:50 PM
Replies: 14
Views: 341
Posted By Kontact

Normally with track bikes you have to center the...

Normally with track bikes you have to center the wheel in the chainstays by adjusting where in the horizontal dropouts you tighten the bolts down. How does that not apply to your bike?
...
Forum: Bicycle Mechanics
05-22-24, 07:16 PM
Replies: 29
Views: 625
Posted By Kontact

I don't see a quick link in your Rival photo. ...

I don't see a quick link in your Rival photo.

Do you have the ability to try a SRAM road 12 link in a different chain?
Forum: Fitting Your Bike
05-22-24, 05:36 PM
Replies: 28
Views: 876
Posted By Kontact

There is no perfect math equation for this. The...

There is no perfect math equation for this. The easiest thing is to look at the website of the brand and check the recommendations based on height.

In general, if the sizes are "classic", you can...
Forum: Classic & Vintage
05-21-24, 05:52 PM
Replies: 5
Views: 174
Posted By Kontact

$8: ...

$8:
...
Forum: Framebuilders
05-21-24, 05:49 PM
Replies: 14
Views: 341
Posted By Kontact

That's what I figured, but wanted to ask in case...

That's what I figured, but wanted to ask in case the secret framebuilder coven had a better solution.
Forum: Classic and Vintage Sales
05-21-24, 05:46 PM
Replies: 3
Views: 237
Posted By Kontact

I'll take em!

I'll take em!
Forum: Framebuilders
05-21-24, 01:01 PM
Replies: 14
Views: 341
Posted By Kontact

Once the top has been opened with a file, can one...

Once the top has been opened with a file, can one close up the bottom via bending?
Forum: Fitting Your Bike
05-20-24, 09:42 PM
Replies: 5
Views: 185
Posted By Kontact

Stack or stack+ is just a vertical measure. But...

Stack or stack+ is just a vertical measure. But reach is goofy because it relates to stuff that is constantly modified by the angled steerer when you compare two bikes, raise your stem, etc.
Forum: Classic & Vintage
05-20-24, 08:10 PM
Replies: 17
Views: 505
Posted By Kontact

Wait until you guys come across a 25.8 stem!

Wait until you guys come across a 25.8 stem!
Forum: Fitting Your Bike
05-20-24, 04:58 PM
Replies: 5
Views: 185
Posted By Kontact

It's correct because the steerer angles back 73...

It's correct because the steerer angles back 73 degrees, so you lose 3cm horizontally for every 10cm of height.
Forum: Fitting Your Bike
05-20-24, 01:56 PM
Replies: 28
Views: 876
Posted By Kontact

Stack and reach are new. Size is generally a...

Stack and reach are new. Size is generally a number based on real or effective seat tube length, and that serves the same purpose as a shoe or jacket size.
Forum: Bicycle Mechanics
05-20-24, 10:46 AM
Replies: 18
Views: 523
Posted By Kontact

The rotor looks upside down. Flip it and see if...

The rotor looks upside down. Flip it and see if that helps.
Forum: Classic & Vintage
05-19-24, 10:16 PM
Replies: 3
Views: 168
Posted By Kontact

These should work, 144.7 | Diacompe...

These should work,
144.7 | Diacompe (http://www.diacompe.com.tw/product/144-7/)

since they are compatible with these adjusters:
CABLE ADJUST BOLT | Diacompe...
Forum: Bicycle Mechanics
05-19-24, 09:42 PM
Replies: 29
Views: 625
Posted By Kontact

I have my doubts that this is going to work....

I have my doubts that this is going to work. While I can't find X12E on the KMC website, it does say that that the X12 chain is not Flattop compatible, but only Eagle compatible. So I would expect...
Forum: Framebuilders
05-19-24, 09:07 PM
Replies: 59
Views: 2,485
Posted By Kontact

Well, at least there doesn't seem to be anyone...

Well, at least there doesn't seem to be anyone that believes that welding can make steel less rigid.
Forum: Framebuilders
05-19-24, 11:41 AM
Replies: 59
Views: 2,485
Posted By Kontact

Steel frames can and do wear out from fatigue....

Steel frames can and do wear out from fatigue. And not at the join. Often several inches back on the right chainstay.

But until they fail, they don't feel different or flex differently.
Forum: Classic & Vintage
05-19-24, 12:18 AM
Replies: 67
Views: 1,830
Posted By Kontact

I recently build a Douglas Ti frame with a silver...

I recently build a Douglas Ti frame with a silver Speedlight, Mavic, Modolo, Sram and Simplex. Love those cranks.
Forum: Classic & Vintage
05-19-24, 12:14 AM
Replies: 35
Views: 1,387
Posted By Kontact

Where did I disagree that Passoni doesn't use a...

Where did I disagree that Passoni doesn't use a chamber? Quote me.

What is odd is that you claim via quote that weld chambers are for "high quality bicycle frames". Then you go on to talk about...
Forum: Classic & Vintage
05-18-24, 06:06 PM
Replies: 67
Views: 1,830
Posted By Kontact

If they are 7400, they match, unless you really...

If they are 7400, they match, unless you really aren't paying attention.



I am doing exactly the same right now. Had a 7410 crank for awhile, came across DA shifters and remembered seeing a...
Forum: Classic & Vintage
05-18-24, 04:44 PM
Replies: 17
Views: 505
Posted By Kontact

No, it's like saying the $15.75 rounds to $15. In...

No, it's like saying the $15.75 rounds to $15. In the engineering sense.
Forum: Classic & Vintage
05-18-24, 04:39 PM
Replies: 67
Views: 1,830
Posted By Kontact

There are no real compatibility issues. 7400...

There are no real compatibility issues. 7400 would work on any racing style bike with rim brakes since at least 1978. Of which there are plenty, and they are still made.
Forum: Classic & Vintage
05-18-24, 04:36 PM
Replies: 35
Views: 1,387
Posted By Kontact

Vacuum brazing, apparently.

Vacuum brazing, apparently.
Forum: Classic & Vintage
05-18-24, 02:38 PM
Replies: 35
Views: 1,387
Posted By Kontact

SLX was the thinnest wall of the standard...

SLX was the thinnest wall of the standard diameter tubing in the "test", so there is not a lot of comparison to be seen except that a standard 753 frame is going to be comparably very flexible...
Forum: Fitting Your Bike
05-18-24, 09:02 AM
Replies: 11
Views: 221
Posted By Kontact

But he doesn't have all those dimensions.

But he doesn't have all those dimensions.
Forum: Classic & Vintage
05-18-24, 08:47 AM
Replies: 35
Views: 1,387
Posted By Kontact

Did you write this page as well, or just copy it...

Did you write this page as well, or just copy it word for word?
https://titaniumbicycles.wordpress.com/2012/07/04/titanium-frames-welding-techniques/

It has pictures of someone welding in the...
Forum: Classic & Vintage
05-17-24, 10:34 PM
Replies: 35
Views: 1,387
Posted By Kontact

All welded Ti frames have the tubes filled with...

All welded Ti frames have the tubes filled with argon internally as well as from the welder.

Which builder welds frames in a chamber? Name one.


This frankly reads like an AI wrote it.
Forum: Fitting Your Bike
05-17-24, 08:53 PM
Replies: 11
Views: 221
Posted By Kontact

You have enough information to duplicate the...

You have enough information to duplicate the horizontal reach, and then it is just question of playing with bar height until that fits. If you remember your stem length and how your setback was...
Forum: Fitting Your Bike
05-17-24, 08:37 PM
Replies: 11
Views: 221
Posted By Kontact

Because you don't have the head tube height or...

Because you don't have the head tube height or the top tube slope, there is not enough information to determine where the top of the head tube is.

There are other methods to compare fit that are...
Forum: Fitting Your Bike
05-17-24, 08:22 PM
Replies: 31
Views: 765
Posted By Kontact

Moving the seat to the rear and rechecking saddle...

Moving the seat to the rear and rechecking saddle height is absolutely the solution to having too much weight on your hands. And doing so has nothing to do with your leg muscles any more than...
Forum: Fitting Your Bike
05-17-24, 10:13 AM
Replies: 28
Views: 876
Posted By Kontact

It's either a 47 or a 50. Either is okay for your...

It's either a 47 or a 50. Either is okay for your body size.

If you want a larger looking bike, you don't need a number to prove that it's alright to buy one.
Forum: Bicycle Mechanics
05-16-24, 10:33 PM
Replies: 50
Views: 1,226
Posted By Kontact

You can go on ebay and buy 60 year old aluminum...

You can go on ebay and buy 60 year old aluminum cranks that show zero galling from decades steel pedal use. That is not an actual problem.

Your crank wasn't coming loose because the bolt was...
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