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Search: Posts Made By: Andrew R Stewart
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07-30-21, 06:32 PM
Replies: 2
Views: 87
Posted By Andrew R Stewart

If one had experience and/or a critical hand...

If one had experience and/or a critical hand using common work shop tools can be enough to result in a fine job. Simple drift punches or huge common nails (spikes at the hardware store) for tapping...
07-29-21, 06:02 PM
Replies: 14
Views: 334
Posted By Andrew R Stewart

"Part of the chain does transfer onto the...

"Part of the chain does transfer onto the smallest chainring but it also hangs on to the middle chainring and won't complete the shift." Imk5

This is what we call "chain suck", as though the chain...
07-28-21, 09:57 PM
Replies: 8
Views: 190
Posted By Andrew R Stewart

BB face(s) off alignment? Miss matched axle and...

BB face(s) off alignment? Miss matched axle and cups? Andy
07-28-21, 07:51 PM
Replies: 8
Views: 190
Posted By Andrew R Stewart

We can't see or touch the bike... improper...

We can't see or touch the bike... improper assembly, cross threaded cup, really badly pitted axle/cup, damaged lock ting threads, more??? Andy
07-28-21, 07:49 AM
Replies: 4
Views: 159
Posted By Andrew R Stewart

A few comments- Ranking bike parts by their cost...

A few comments- Ranking bike parts by their cost to the consumer is not the best way to compare between them. These days there are various channels that products take, from the manufacturer to the...
07-27-21, 08:20 PM
Replies: 6
Views: 229
Posted By Andrew R Stewart

Not all steering inputs are from the front end....

Not all steering inputs are from the front end. Chasing down this type of issue with little understanding of how bikes steer will prove to be challenging. Headset adjustment is not about reducing the...
07-27-21, 08:10 PM
Replies: 15
Views: 301
Posted By Andrew R Stewart

The real question, as I see it, is how to convert...

The real question, as I see it, is how to convert the motion of a cable to that of fluid. There have been various devices that do this, the earliest that I can remember was Santana's that was offered...
07-27-21, 08:02 PM
Replies: 69
Views: 1,077
Posted By Andrew R Stewart

The reasons why are varied but one is that the...

The reasons why are varied but one is that the short cage ders are what the pros are paid to ride (and train really hard to be able to not need lower gearing). Too many average riders lemming...
07-27-21, 07:10 AM
Replies: 69
Views: 1,077
Posted By Andrew R Stewart

I, too, was a bit dickish with my reply. I had a...

I, too, was a bit dickish with my reply. I had a stressful day and had a couple of customer interactions involving a lack of understanding as to the current market and what a shop's obligation is....
07-27-21, 07:04 AM
Replies: 5
Views: 199
Posted By Andrew R Stewart

Current Hollowtec 2 BBs place their bearings...

Current Hollowtec 2 BBs place their bearings outside the shell, only their threaded skirt is inside. This allows for the BB axle to grow from the "classic" 16mm to the current 24mm. The T47 shells...
07-26-21, 08:26 PM
Replies: 5
Views: 199
Posted By Andrew R Stewart

My understanding is that the bearings are (or...

My understanding is that the bearings are (or were when these first came onto the market) the same. The outside finish and total weight changed with price.

BTW there's a swing back to threaded BB...
07-26-21, 08:23 PM
Replies: 69
Views: 1,077
Posted By Andrew R Stewart

Is this the thread to share one of my pet peeves?...

Is this the thread to share one of my pet peeves? The usual maxing out the capacity of rear ders, even on new bikes? The Op talks about of his OCD (my term) of failures in structures but seemingly no...
07-26-21, 05:31 PM
Replies: 6
Views: 162
Posted By Andrew R Stewart

Sure it matters but only by a few tenths of a mm....

Sure it matters but only by a few tenths of a mm. One could shift the flange to center by the rim's offset amount to get an exact length. Andy
07-25-21, 02:52 PM
Replies: 13
Views: 488
Posted By Andrew R Stewart

Some parts, like headsets, take a range of...

Some parts, like headsets, take a range of possible tools. Some of these tools are specifically designed for bikes, some not.

Again with headsets- Many threaded types need an open wrench version...
07-24-21, 08:52 AM
Replies: 5
Views: 1,365
Posted By Andrew R Stewart

I suspect used parts for sale will be the way to...

I suspect used parts for sale will be the way to get long out of production hoods. Andy
07-24-21, 08:50 AM
Replies: 8
Views: 187
Posted By Andrew R Stewart

Agreed but zip ties are not very fool proof. They...

Agreed but zip ties are not very fool proof. They are a band aid for a less then ideal device, the plastic block. The other way I do it often rnough for one time shipping is to cut a length of box...
07-24-21, 08:44 AM
Replies: 11
Views: 291
Posted By Andrew R Stewart

As the OP seems to be finding out the head tube...

As the OP seems to be finding out the head tube is most likely NOT threaded. I haven't ever seen one (and that's with 48 years of LBS life). As to the cone/cup placement it varies and there's no...
07-24-21, 08:36 AM
Replies: 8
Views: 187
Posted By Andrew R Stewart

If one will be removing the ft wheel and...

If one will be removing the ft wheel and transporting/shipping the bike often these plastic fork end blocks suck and in time don't stay put. better will be an axle with nuts located on either side of...
07-24-21, 08:31 AM
Replies: 6
Views: 184
Posted By Andrew R Stewart

While for it's time and the company that made it,...

While for it's time and the company that made it, this der was considered a pretty cool item. Excepting the weak upper knuckle casting which would easily crack. Version 2 (the image looks to show the...
07-24-21, 08:18 AM
Replies: 8
Views: 187
Posted By Andrew R Stewart

If in doubt about fork alignment and wheel...

If in doubt about fork alignment and wheel placement I would seek someone who can place their hands and eyes on your bike. Yes we could give you a tutorial on how to preform alignment checks and...
Forum: Framebuilders
07-23-21, 07:51 PM
Replies: 19
Views: 565
Posted By Andrew R Stewart

Back in the day we painted our frames on the shop...

Back in the day we painted our frames on the shop roof. We tried to stay up wind for both spray ending up on the tubes and to minimize our breathing the fumes (Imron). We had a mask with charcoal...
07-23-21, 07:39 PM
Replies: 10
Views: 270
Posted By Andrew R Stewart

We sell and install many hundreds of tubes each...

We sell and install many hundreds of tubes each year and sell more. During this last 18 months the pandemic has meant that we, like much of the LBS segment of the bike industry, has had to try to...
07-23-21, 07:25 PM
Replies: 39
Views: 861
Posted By Andrew R Stewart

Some of this comparison and which will work for...

Some of this comparison and which will work for you depends on your expectations, your experiences and your skill level.

Expectations- Life is about more then gear range. gaps between gears is...
07-23-21, 02:53 PM
Replies: 12
Views: 315
Posted By Andrew R Stewart

Seen this only a few times. But those of us who...

Seen this only a few times. But those of us who have worked on Simples sliding ft ders know well the nature of a cable stop moving type of design. The longer one does the old bike servicing the more...
Forum: Framebuilders
07-22-21, 06:28 AM
Replies: 6
Views: 284
Posted By Andrew R Stewart

Unrelated to the OP's question but of passing...

Unrelated to the OP's question but of passing interest- I bought a used torch handle a few years ago off EBay. I forget the brand but was one of the small "aircraft" types we seek. I hooked it up and...
07-22-21, 06:21 AM
Replies: 2
Views: 110
Posted By Andrew R Stewart

There's no industry standard of how to label ring...

There's no industry standard of how to label ring guards sizes. So until a specific ring guard is placed against your ring you really don't know how much larger across the guard is compared to the...
07-21-21, 10:35 PM
Replies: 7
Views: 248
Posted By Andrew R Stewart

Not mentioned is whether the old crank and new...

Not mentioned is whether the old crank and new one share the same "end of BB axle to center of the rings" dimension. Of course this isn't listed in any spec list I've ever seen. Chain line is the...
07-21-21, 07:33 AM
Replies: 8
Views: 239
Posted By Andrew R Stewart

Yes, but assume the chain will need replacement...

Yes, but assume the chain will need replacement too as chains and cog sets both wear with use. Also always check der adjustment when any gear system part is replaced. Andy
07-20-21, 08:50 PM
Replies: 61
Views: 2,434
Posted By Andrew R Stewart

It's not complicated to get brass filler rings...

It's not complicated to get brass filler rings that fit within the joint during prep. Alignment can be handled by a few methods including pins or jigging. Torch application stations with timed cycles...
07-20-21, 07:53 PM
Replies: 13
Views: 524
Posted By Andrew R Stewart

I admit to not understanding the design of this...

I admit to not understanding the design of this suspension fork. Yes, that's what it is even if the moving elements are in the head tube VS the blades. And even if the industry chooses a different...
07-19-21, 08:18 PM
Replies: 13
Views: 524
Posted By Andrew R Stewart

So there's a solid structure from the drop outs...

So there's a solid structure from the drop outs to the headset's bearing contact surfaces? Like a rigid fork and the sliding aspect is not between the headset and drop outs? I think not. Where...
07-19-21, 06:00 PM
Replies: 2
Views: 105
Posted By Andrew R Stewart

I don't think I have ever seen a coaster or IGH 3...

I don't think I have ever seen a coaster or IGH 3 splined cog in anything but steel. As to color anything will be black in time and negligence:)

But the OP's choice of subject line does confuse...
07-18-21, 10:50 PM
Replies: 11
Views: 323
Posted By Andrew R Stewart

I'll also add that road and MtB frt ders (by...

I'll also add that road and MtB frt ders (by Shimano) have rather different chain ring sizes they are optimized for. Also some MtB cranks space their rings apart more then some road ones. Andy
07-18-21, 08:58 PM
Replies: 13
Views: 524
Posted By Andrew R Stewart

"I thought with the additional cost of the bike,...

"I thought with the additional cost of the bike, it would be a longer lasting vehicle before having to rebuild it" Baldy1953

Longer then what? Back in the early 1980s I was told a story (that I...
07-18-21, 08:43 PM
Replies: 5
Views: 217
Posted By Andrew R Stewart

I should have also mentioned that your helmet...

I should have also mentioned that your helmet (you were wearing one...) should be checked for any signs of contact. Like an eggshell it's only good for one whack. Andy
07-17-21, 09:43 PM
Replies: 5
Views: 200
Posted By Andrew R Stewart

Most don't. However if you live in a high salt...

Most don't. However if you live in a high salt area (coasts and snowy places) and the bike will see outside use when the salt is about a thin film of something to inhibit corrosion is not wrong.
...
07-17-21, 08:35 PM
Replies: 4
Views: 189
Posted By Andrew R Stewart

I can't tell by the photos if the caliper has a...

I can't tell by the photos if the caliper has a star washer between the last threaded piece (with the sort of knurling about it's edge) and the fork face. Brake star washers are not the flimsy lock...
07-17-21, 06:21 PM
Replies: 61
Views: 2,434
Posted By Andrew R Stewart

At the risk of seeming self centered... I'll...

At the risk of seeming self centered... I'll quote myself from post #23 "In real life of making frames (from steel) these joining methods chosen are much more about cost, builder's skills, marketing...
07-17-21, 06:17 PM
Replies: 61
Views: 2,434
Posted By Andrew R Stewart

And there is a critical temp that these air...

And there is a critical temp that these air hardening steels have to be heated to for this to happen. IIRC the low brazing temps of silver isn't high enough. But this has nothing to do with the...
07-17-21, 06:14 PM
Replies: 18
Views: 485
Posted By Andrew R Stewart

Being the first self made wheel set I strongly...

Being the first self made wheel set I strongly suggest LockTite is not used. Many, including me, have used oil or grease on tens of thousands of wheels with no issues. For customer wheels I generally...
07-17-21, 06:11 PM
Replies: 5
Views: 217
Posted By Andrew R Stewart

I would check everything you can. Accidents can...

I would check everything you can. Accidents can sometimes cause damage that is not obvious. Spin the wheels for rim issues. Look at tire sidewalls. Track the cables beginning to their ends. Look at...
07-17-21, 05:55 PM
Replies: 4
Views: 189
Posted By Andrew R Stewart

Wrong tool for this job. Shimano calipers that...

Wrong tool for this job. Shimano calipers that use this version of the center bolt (where the slop between the arms are set and locked by the threaded pieces behind the arms) are usually centered by...
07-17-21, 05:45 PM
Replies: 13
Views: 524
Posted By Andrew R Stewart

With a suspension fork one has to be sure any...

With a suspension fork one has to be sure any perceived movement between the bars and tire is not the fork stanchions and lower legs become sloppy. One way to do this is to do the lock ft brake on...
07-16-21, 06:12 PM
Replies: 2
Views: 272
Posted By Andrew R Stewart

Back in the very late 1970s, or 1980ish, there...

Back in the very late 1970s, or 1980ish, there was a formed hard plastic drop bar grip called "Morgan Grips". We called them moron grips, not PC in today's view. They were a pain to install as they...
07-16-21, 08:36 AM
Replies: 61
Views: 2,434
Posted By Andrew R Stewart

By applying the "nice frames" filter you...

By applying the "nice frames" filter you eliminate the vast majority of bikes made, sold and used. Andy
07-16-21, 08:35 AM
Replies: 2
Views: 89
Posted By Andrew R Stewart

I suspect the clearances differences will be...

I suspect the clearances differences will be rather small between 3x and 2x. Andy
07-16-21, 08:34 AM
Replies: 9
Views: 221
Posted By Andrew R Stewart

Pletscher Inova Rack buy online - bike-components...

Pletscher Inova Rack buy online - bike-components (https://www.bike-components.de/en/Pletscher/Inova-Rack-p40422/)
Forum: Framebuilders
07-16-21, 07:54 AM
Replies: 12
Views: 381
Posted By Andrew R Stewart

Tube wall changes (butting) does not indicate any...

Tube wall changes (butting) does not indicate any greater strength, or less strength. just that the walls did change. BTW most lower cost blades start as a tube with a constant diameter and wall...
07-16-21, 07:44 AM
Replies: 61
Views: 2,434
Posted By Andrew R Stewart

"and lugs are now an unmistakable sign of a...

"and lugs are now an unmistakable sign of a handmade frame" hydrocarbon

There are millions of lugged bikes that were machine brazed. The machine provided heat and filler came before the current...
07-16-21, 07:38 AM
Replies: 5
Views: 236
Posted By Andrew R Stewart

Many floor pumps have what's known as a check...

Many floor pumps have what's known as a check valve in their base. A valve that lets the compressed air travel from the cylinder to the hose but stops air from going the other direction. BTW a Presta...
Showing results 1 to 50 of 1000
 


 
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