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Search: Posts Made By: Andrew R Stewart
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11-27-22, 08:48 PM
Replies: 8
Views: 130
Posted By Andrew R Stewart

More data would help us help you. QR or nutted...

More data would help us help you. QR or nutted axle? Cassette or freewheel? Its tough for us when you use mixed dimensions (hubs with tires). Yes, 26"/559 ISO wheels can be had with a 135 wide...
Forum: Framebuilders
11-27-22, 10:07 AM
Replies: 2
Views: 69
Posted By Andrew R Stewart

Tom- Did you apply a rust inhibitor (FrameSaver)...

Tom- Did you apply a rust inhibitor (FrameSaver) inside the tubes too? If not than I would just use a solvent first, maybe kerosene or a SafetyKleen shop tank. Any chemical paint removal should be...
11-24-22, 09:25 AM
Replies: 23
Views: 389
Posted By Andrew R Stewart

"Also be aware that Shimano 11-speed front...

"Also be aware that Shimano 11-speed front derailleurs use virtually no slack in the cable, unlike previous 8-, 9-, and 10-speed generations. Then there is the matter of the converter pin, whose...
11-23-22, 10:09 PM
Replies: 23
Views: 389
Posted By Andrew R Stewart

I don't care too much about the BB's being...

I don't care too much about the BB's being centered as it's the rings and crank arms that my body interfaces with. The BB only get those parts where the rest of the bike and my body can deal with...
11-23-22, 10:05 AM
Replies: 30
Views: 446
Posted By Andrew R Stewart

Before the cable and housing is replaced look at...

Before the cable and housing is replaced look at the original set up for any possibl;e changes with the new. The imaged housing damage is likely from rubbing against a tire or some other thing....
11-23-22, 09:56 AM
Replies: 23
Views: 389
Posted By Andrew R Stewart

"the cranks (not OEM) are not centered" with...

"the cranks (not OEM) are not centered" with respect to what? A published chain line dimension?

It seems to me that the spacers placed on the non drive side was done to allow better ft shifting...
11-22-22, 07:07 PM
Replies: 24
Views: 484
Posted By Andrew R Stewart

This topic, frame/fork alignment, has been...

This topic, frame/fork alignment, has been discussed many times before. There's quite a number of threads one can search for. here's one from 2017 where I describe a low cost "home" alignment check. ...
11-22-22, 09:39 AM
Replies: 36
Views: 676
Posted By Andrew R Stewart

Some carbon frames have had a release agent...

Some carbon frames have had a release agent applied to the insides of the frame, to better allow the compression bladder to be removed after inflation and curing.

Epoxy makes for a poor...
11-18-22, 05:07 PM
Replies: 20
Views: 346
Posted By Andrew R Stewart

All I hear is the ratchet clicks and some...

All I hear is the ratchet clicks and some breathing, no undo noise. But I'll bet someone here mentions checking the der hanger alignment (which seems to be a favorite thing to blame for all kinds of...
11-18-22, 01:23 PM
Replies: 9
Views: 186
Posted By Andrew R Stewart

As long as the rim's interior has no spoke nipple...

As long as the rim's interior has no spoke nipple access holes, or nipple heads sticking above the rim bed, no liner is needed.

By "mag wheels" I assume you mean a compression spoked wheel, and...
11-16-22, 11:35 AM
Replies: 50
Views: 1,503
Posted By Andrew R Stewart

When I had my own shop in the 1990s I did a...

When I had my own shop in the 1990s I did a monthly sales as a % of year total sales assessment. IIRC the numbers were J- 2%, F- 3%, M- 7%, A- 10%, M- 15%, J- 18%, J- 16%, A- 12%, S- 8%, O- 4.5%, N-...
11-15-22, 10:36 PM
Replies: 7
Views: 289
Posted By Andrew R Stewart

Peter?- Looks like a radial contact cartridge...

Peter?- Looks like a radial contact cartridge bearing which will have no cone, the "lock nut" is only to secure the bearings/axle and has no bearing load aspect.

One trick that I've used for this...
11-14-22, 06:28 PM
Replies: 7
Views: 165
Posted By Andrew R Stewart

Many of the removable (thus threaded into a...

Many of the removable (thus threaded into a welded on base) brake boss use a thread locking compound to add extra insurance from a boss loosening from its base. Andy
11-11-22, 09:35 PM
Replies: 22
Views: 434
Posted By Andrew R Stewart

Pad spreading tool- I use a clean cone wrench...

Pad spreading tool- I use a clean cone wrench with the pads still in place. Andy
11-11-22, 10:34 AM
Replies: 22
Views: 434
Posted By Andrew R Stewart

As long as the brake works well with the new pads...

As long as the brake works well with the new pads (doesn't rub, applies sufficient stopping "power") why would one deal with fluid? Now if there's other issues that are fluid related (leaks, air in...
11-07-22, 11:54 PM
Replies: 13
Views: 355
Posted By Andrew R Stewart

Which is why I would mechanically remove the bent...

Which is why I would mechanically remove the bent steerer from the crown. And depending on resulting fit up with the replacement steerer either brass or silver it back in. The images suggest a chrome...
11-07-22, 09:53 PM
Replies: 13
Views: 355
Posted By Andrew R Stewart

Is this bike a rider or a wall hanger? The "best"...

Is this bike a rider or a wall hanger? The "best" repair method is to replace the steerer. The issue I have with a straightening and continuing to ride path is the lack of being able to easily and...
11-04-22, 09:53 PM
Replies: 3
Views: 217
Posted By Andrew R Stewart

Mafac Racer brakes (and other models I have dealt...

Mafac Racer brakes (and other models I have dealt with) used shifter cables for the straddle. Sometimes the head needed size deduction to better fit the brake arm's end. One trick we did was to grind...
11-04-22, 09:06 AM
Replies: 11
Views: 301
Posted By Andrew R Stewart

What aspect of your lock is sticking? The key...

What aspect of your lock is sticking? The key cylinder? The "U" hoop's ends that enter the "I" end?

BTW never heard "D" used to describe these locks, we always called them "U" locks. Andy
Forum: Framebuilders
11-02-22, 10:13 AM
Replies: 2
Views: 324
Posted By Andrew R Stewart

Eric- I have pondered on a BF Framebuilder...

Eric- I have pondered on a BF Framebuilder gathering over the years. When Don Walker created NAHBS I had hoped for a less public and more congenial meet up then what the Huston show (and every other...
11-01-22, 08:24 PM
Replies: 3
Views: 125
Posted By Andrew R Stewart

First thing I might try is another lock ring....

First thing I might try is another lock ring. Threading tolerances vary from batch to brand and it sounds like that is the issue. But what do we know? Andy
11-01-22, 08:22 PM
Replies: 46
Views: 1,261
Posted By Andrew R Stewart

How nice a result can you live with? How skilled...

How nice a result can you live with? How skilled are you at paint prep (as prep is a big aspect of any paint job whether house or bike)? How skilled are you at applying the paint (the usual thing...
11-01-22, 08:14 PM
Replies: 37
Views: 726
Posted By Andrew R Stewart

Since we don't know how the OEM chain length...

Since we don't know how the OEM chain length works with the rear der, the cog tooth count spread, the ring tooth difference and the chainstay length I don't think I can offer specific advice as to...
11-01-22, 09:17 AM
Replies: 6
Views: 305
Posted By Andrew R Stewart

I agree that the cassette teeth are well worn and...

I agree that the cassette teeth are well worn and not surprised that some skipping is starting w/ a new chain.

I've used the Rohloff tooth checker for quite a few years. It is less a go/no go...
Forum: Framebuilders
10-31-22, 10:11 AM
Replies: 2
Views: 324
Posted By Andrew R Stewart

Philly Expo Thoughts

Just returned from the Philly show. I attended all day Saturday (a mix of seminars and walking the displays) and for a couple of hours on Sunday.

I have to admit that I was not impressed by most...
Forum: Framebuilders
10-30-22, 10:21 PM
Replies: 15
Views: 523
Posted By Andrew R Stewart

IT's been a long time since I broke a tap in a...

IT's been a long time since I broke a tap in a frame, other projects more recently. Tap removals have been about 50% successful... I have been less acceptant of using older taps as I have aged....
Forum: Framebuilders
10-30-22, 10:09 PM
Replies: 3
Views: 365
Posted By Andrew R Stewart

IIRC Tioga used .035 walled bars back in the day....

IIRC Tioga used .035 walled bars back in the day. Steel bar failures are rare and usually able to see the seeds of cracks before the catastrophic happens. How wide will your bars be? How will the...
10-23-22, 09:49 PM
Replies: 8
Views: 328
Posted By Andrew R Stewart

As I get older my roughness is becoming greyer:)...

As I get older my roughness is becoming greyer:) Andy
10-23-22, 09:32 PM
Replies: 8
Views: 328
Posted By Andrew R Stewart

When pulling and inserting new internal routed...

When pulling and inserting new internal routed casing (or inner cable for that matter) a judgement is needed WRT which direction the old is removed from. The details of the casing ports and how they...
Forum: Framebuilders
10-22-22, 09:26 PM
Replies: 7
Views: 300
Posted By Andrew R Stewart

The linked hub bearing clamps look more...

The linked hub bearing clamps look more substantial then the usual stamped steel ones then the common/low cost unicycles use. This is good.

I have thought about making my own unicycle for years....
Forum: Framebuilders
10-22-22, 09:14 PM
Replies: 9
Views: 443
Posted By Andrew R Stewart

Rivnuts have a bad enough time dealing with the...

Rivnuts have a bad enough time dealing with the mass of a water bottle. Is the motor less weight? How does the motor react to its drive forces? How do the various mounting points deal with this...
10-22-22, 09:04 PM
Replies: 14
Views: 533
Posted By Andrew R Stewart

Since I like to be able to stop quickly I don't...

Since I like to be able to stop quickly I don't ride bikes without front brakes. If I were to only be restricted to only one brake it would be the front, again because of stopping ability. Andy (who...
10-21-22, 09:15 PM
Replies: 31
Views: 1,010
Posted By Andrew R Stewart

This question is one of those "if you have to ask...

This question is one of those "if you have to ask than you don't know enough to do it" ones. I've watch a few handle bars crack and separate during riding, thankfully from the results I saw none were...
10-21-22, 08:18 AM
Replies: 13
Views: 336
Posted By Andrew R Stewart

Upgrading/replacing parts on a bike is a great...

Upgrading/replacing parts on a bike is a great way to spend twice what the bike initially cost while ending up with only one bike, and shelves filled with old parts you don't like. Nothing wrong...
10-19-22, 06:57 PM
Replies: 12
Views: 397
Posted By Andrew R Stewart

No, 8 spd has a narrower cog C-C dimension by...

No, 8 spd has a narrower cog C-C dimension by (IIRC) .2mm. Close enough to 7 spd dimensions to be thought is the same, but not quite. Now Campy 8 spd does use the same 5mm C-C as Shimano 7 does. Andy
10-19-22, 03:21 PM
Replies: 7
Views: 353
Posted By Andrew R Stewart

Here's what the hub looks like after the solvent...

Here's what the hub looks like after the solvent cleaning. The axle is left in the shell, it won't come out w/o doing a magnet removal, which I am avoiding. These will air dry for a few days and I'll...
10-19-22, 08:37 AM
Replies: 4
Views: 151
Posted By Andrew R Stewart

First- Have you test fitted the fw onto the hub...

First- Have you test fitted the fw onto the hub yet? This fw looks to be an ultra six, if so they are only a mm or two wider than a 5 cog one and might clear the stay end as is.

If you do the...
Forum: Touring
10-16-22, 09:26 PM
Replies: 173
Views: 5,287
Posted By Andrew R Stewart

I have to say that the current trend to gearing...

I have to say that the current trend to gearing restrictions (moving away from 3x systems) would be my bigger concern for a true loaded touring bike, then the brake system is. I'll add that if my...
10-16-22, 04:10 PM
Replies: 4
Views: 168
Posted By Andrew R Stewart

When back pedaling there can be some rear der...

When back pedaling there can be some rear der movement, or rotation towards the front ring. The cage slightly rotates clockwise to take up thus chain slack. The guide pulley becomes closer to the...
10-16-22, 09:21 AM
Replies: 33
Views: 650
Posted By Andrew R Stewart

The XO-1 got one Tektro 720, in the rear IIRC. My...

The XO-1 got one Tektro 720, in the rear IIRC. My notes don't list the other brake. It turns out I did this for him about 9 years ago.

I do agree with your point about material grades being...
10-15-22, 09:45 AM
Replies: 3
Views: 160
Posted By Andrew R Stewart

One very common reason to feel a clunk over bumps...

One very common reason to feel a clunk over bumps is a loose headset bearing adjustment. The fork will rock slightly fore and aft within the bearings as the tire encounters bumps. The usual quick...
10-15-22, 09:02 AM
Replies: 33
Views: 650
Posted By Andrew R Stewart

"do you refer to the positioning of the bosses on...

"do you refer to the positioning of the bosses on the frame, or the pad in the brake arm"

Pad on arm. Most modern cantis have a vertical slot to better position the pad WRT the rim. The smooth pad...
10-14-22, 08:50 PM
Replies: 26
Views: 523
Posted By Andrew R Stewart

If your time is worth little than go ahead and...

If your time is worth little than go ahead and begin the education it will take to end up with a reliable bike. The builders you contacted have decided that their skills are worth what it takes to...
10-11-22, 08:03 AM
Replies: 12
Views: 321
Posted By Andrew R Stewart

These steel calipers are no Universal or Barilla...

These steel calipers are no Universal or Barilla ones what with their crack prone aluminum arms. Really these steel arms are rather strong in the sense of rarely ever having a failure due to stress...
10-08-22, 09:43 PM
Replies: 15
Views: 434
Posted By Andrew R Stewart

True but- Most of the plastics in the history of...

True but- Most of the plastics in the history of Shimano STI lever internals is reasonably solvent resistant. I've left many shift pods (road and MtB) in a few solvents with no problems, including...
10-08-22, 08:05 PM
Replies: 20
Views: 462
Posted By Andrew R Stewart

The more you ride the more often you will have to...

The more you ride the more often you will have to replace shift cables.

We have a few customers who are especially hard on their cables, as in replacing every 6 months or so. Others who could go...
10-08-22, 10:03 AM
Replies: 6
Views: 217
Posted By Andrew R Stewart

130mm rear wheels with a disk rotor mount are not...

130mm rear wheels with a disk rotor mount are not anywhere as common as the 135mm axle spaced ones. Are you sure of the rear dropout width? Pretty much all hybrids these days use the MtB standard of...
10-06-22, 08:48 PM
Replies: 8
Views: 298
Posted By Andrew R Stewart

If the goal is to have the cog stack fit fully...

If the goal is to have the cog stack fit fully against the freehub body's shoulder than just grind down the rivet head. If the goal is to separate the cogs from each other do the same then with a...
10-06-22, 08:46 PM
Replies: 7
Views: 289
Posted By Andrew R Stewart

Have you tried to run the pedals in from the...

Have you tried to run the pedals in from the crank arm back sides? I have seen the outer face of the crank arm pedal hole become slightly damaged from the pedal axle's shoulder digging into the arm...
Forum: Framebuilders
10-06-22, 10:15 AM
Replies: 16
Views: 680
Posted By Andrew R Stewart

"A perfect match" will wear and chain length...

"A perfect match" will wear and chain length growth will result in a loose chain in time.

I don't know what is meant by "Has anyone tried this with eccentric BSA Shells?" In my understanding this...
Showing results 1 to 50 of 1000
 


 
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