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Search: Posts Made By: Andrew R Stewart
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
06-17-24, 10:29 AM
Replies: 8
Views: 140
Posted By Andrew R Stewart

When I last had to seek a cable replacement for...

When I last had to seek a cable replacement for the second version I didn't find any bike shop suppliers stocking them any longer and since the industry has moved on (by a lot some will say) to...
Forum: Framebuilders
06-17-24, 10:14 AM
Replies: 12
Views: 203
Posted By Andrew R Stewart

A plug bonded in place could join two pipes (or...

A plug bonded in place could join two pipes (or hollow seat posts). Seems to me that for the stresses acting on a "kickstand" functioning foot likely being small, the form of attachment is of less...
Forum: Framebuilders
06-17-24, 08:00 AM
Replies: 26
Views: 401
Posted By Andrew R Stewart

A story about how hot and how much at that temp....

A story about how hot and how much at that temp. When i attended Eisentraut's last east coast class (1979) he spoke of his early trip to Italian bike builders (dare I say "factories?). He described...
Forum: Bicycle Mechanics
06-16-24, 08:31 PM
Replies: 10
Views: 197
Posted By Andrew R Stewart

So I was wrong and I have deleted my first post...

So I was wrong and I have deleted my first post about the ceramic bushing pulleys having a steel sleeve. I was thinking of the mid priced Shimano ders that have a steel sleeve and bushing. The rest...
Forum: Bicycle Mechanics
06-16-24, 08:25 PM
Replies: 10
Views: 197
Posted By Andrew R Stewart

No, what I said is that I have swapped the...

No, what I said is that I have swapped the bushing sleeves. The need for upper pulley end play is a design aspect of Shimano's indexing systems (and was one of the 17 design aspects that they touted...
Forum: Framebuilders
06-16-24, 08:13 PM
Replies: 26
Views: 401
Posted By Andrew R Stewart

OK, I think the chainstay's condition could be...

OK, I think the chainstay's condition could be from freezing water's expansion. But having placed my water bottles in the freezer many times I will say that the amount of container expansion is very...
Forum: Bicycle Mechanics
06-16-24, 07:37 PM
Replies: 12
Views: 341
Posted By Andrew R Stewart

I see a lot of bikes that the pulley cages don't...

I see a lot of bikes that the pulley cages don't maintain "perfect" alignment with the cassette (as in the cage/pulleys being parallel to the cog's plane through the complete rotation of the cage...
Forum: Bicycle Mechanics
06-16-24, 04:32 PM
Replies: 12
Views: 341
Posted By Andrew R Stewart

Are you sure the replacement hanger had the der...

Are you sure the replacement hanger had the der screwed in "square" with the hole? Most replacement hangers are made of relatively soft Al and cross threading the der mounting bolt (fine threading...
Forum: Framebuilders
06-16-24, 04:26 PM
Replies: 26
Views: 401
Posted By Andrew R Stewart

I will have to read this complete thread before...

I will have to read this complete thread before suggesting anything about alignment for now. However, I seriously doubt freezing water did any tubing expansion. What I suspect is going on is build...
Forum: Bicycle Mechanics
06-15-24, 10:06 PM
Replies: 9
Views: 258
Posted By Andrew R Stewart

I think the point being discussed is the "care...

I think the point being discussed is the "care and feeding" stuff gets. How one takes care of their stuff has a huge range. When one doesn't connect the effort to earn up the $ to buy a bike, when...
Forum: Bicycle Mechanics
06-15-24, 10:00 PM
Replies: 20
Views: 406
Posted By Andrew R Stewart

One aspect of touring (and tandems) with really...

One aspect of touring (and tandems) with really low gearing is that the wheel can "wind up" and the rim can be pulled to one side by the pulling spokes with each pedal stroke. If the rear der cage is...
Forum: Framebuilders
06-15-24, 09:29 PM
Replies: 12
Views: 203
Posted By Andrew R Stewart

By "support when folded" do you mean long enough...

By "support when folded" do you mean long enough to act as a foot for the folded bike to rest on? The term "telescoping" to me suggests two post shafts, one larger that is tightened by the frame's...
Forum: Framebuilders
06-15-24, 09:15 PM
Replies: 2
Views: 78
Posted By Andrew R Stewart

Sounds like a garage/roof rack moment... I...

Sounds like a garage/roof rack moment...

I would carefully assess the complete frame before spending money. For this kind of damage to happen the chances of secondary issues is strong. That the...
Forum: Framebuilders
06-15-24, 09:00 PM
Replies: 1
Views: 122
Posted By Andrew R Stewart

When I attended the recent Philly Expo there was...

When I attended the recent Philly Expo there was a displayer who is from Raleigh (and he use to work for Allstar Bike Shop a few years after I left). IIRC they were building and painting but I've...
Forum: Framebuilders
06-15-24, 08:57 PM
Replies: 4
Views: 216
Posted By Andrew R Stewart

I have a box collecting cut offs and scrapped...

I have a box collecting cut offs and scrapped tubes, but will have no lugs, that when filled I will offer for shipping costs sometime not so soon. For lug brazing practice i generally just use a...
Forum: Bicycle Mechanics
06-15-24, 08:38 PM
Replies: 13
Views: 279
Posted By Andrew R Stewart

One trick I sometimes use is when initially...

One trick I sometimes use is when initially pressing the pin out I will stop after about a handle turn, the pin has just begun to move. Then i loosen the tool slightly and repress the pin. This...
Forum: Bicycle Mechanics
06-06-24, 06:20 PM
Replies: 14
Views: 499
Posted By Andrew R Stewart

The second set show the cable casing having not...

The second set show the cable casing having not been well seated in the top end of the noodle. The casing coating has been pealed back from the noodle's fitting. If the casing end had hung up on the...
Forum: Bicycle Mechanics
06-06-24, 06:09 PM
Replies: 14
Views: 499
Posted By Andrew R Stewart

The photos don't show the cable stops that I...

The photos don't show the cable stops that I suggested might be the location of the problem. The pads and noodle seem to be OK though. Andy
Forum: Bicycle Mechanics
06-06-24, 05:44 PM
Replies: 14
Views: 499
Posted By Andrew R Stewart

Back in the day when the interweb wasn't around...

Back in the day when the interweb wasn't around we would have potential customers call us and ask how much to fix their bike. We would reply that we really had to have hands on to be able to do that...
Forum: Bicycle Mechanics
06-06-24, 05:25 PM
Replies: 14
Views: 363
Posted By Andrew R Stewart

Because that other tire never was ridden over the...

Because that other tire never was ridden over the same tread cutting kind of object, in a manor that resulted in a similar cut. The lack of a problem is not the same as not being able to have a...
Forum: Bicycle Mechanics
06-06-24, 09:16 AM
Replies: 14
Views: 363
Posted By Andrew R Stewart

"Normal" when you ride over some sharp object...

"Normal" when you ride over some sharp object that can cut/abrade the tire's rubber? Yes.

I don't think anyone mentioned the tire casing's aspect yet. The tire casing cords are the structure that...
Forum: Bicycle Mechanics
06-05-24, 10:22 PM
Replies: 22
Views: 598
Posted By Andrew R Stewart

I'll add that I've seen quite a few LH plastic BB...

I'll add that I've seen quite a few LH plastic BB retaining cups/rings that are/were cracked and the BB and bike worked just fine. Including one of my own that saw many thousands of miles after the...
Forum: Bicycle Mechanics
06-05-24, 08:31 AM
Replies: 22
Views: 598
Posted By Andrew R Stewart

Generally only the left side uses plastic...

Generally only the left side uses plastic retaining cups. One trick to reduce their breakage possibility is to loosen the right/drive side first. This reduces the force needed to remove the plastic...
Forum: Bicycle Mechanics
06-03-24, 07:55 PM
Replies: 6
Views: 343
Posted By Andrew R Stewart

At one time Thompson made a 28mm post. Andy

At one time Thompson made a 28mm post. Andy
Forum: Bicycle Mechanics
06-03-24, 09:29 AM
Replies: 16
Views: 453
Posted By Andrew R Stewart

Not saying this is the OP's actual issue but if...

Not saying this is the OP's actual issue but if the shifter cabled are intertwined with each other a shift on the rear will telephone movement to the ft, and when the front is shifted the rear cable...
Forum: Bicycle Mechanics
06-03-24, 09:26 AM
Replies: 7
Views: 464
Posted By Andrew R Stewart

When I soak shifter pods in solvent (used both...

When I soak shifter pods in solvent (used both Safety Clean and a more recent bio based detergent at work) I remove the pod from the lever body. For road this is done by pulling the pivot pin, its...
Forum: Bicycle Mechanics
06-02-24, 02:51 PM
Replies: 43
Views: 1,423
Posted By Andrew R Stewart

Mike- I have two versions of the ATOC tandem...

Mike- I have two versions of the ATOC tandem rack.The first uses a standard QR skewer, has short section tire tray and the tandem extension was had fitted during production. The second is the more...
Forum: Bicycle Mechanics
06-01-24, 10:37 AM
Replies: 8
Views: 438
Posted By Andrew R Stewart

I had heard of the sale but not much about the...

I had heard of the sale but not much about the shop after. (I still see Jeff's Facebook postings here and there). It's sad to hear of this kind of stuff, a great shop gets sold and the new doesn't...
Forum: Bicycle Mechanics
06-01-24, 08:24 AM
Replies: 8
Views: 438
Posted By Andrew R Stewart

One can make a decent enough dishing gage with a...

One can make a decent enough dishing gage with a table top and three equally high stacks of spacers (washers, coins, thread spools, Lego Blocks...). Place the wheel, with any QR/through axle removed,...
Forum: Bicycle Mechanics
06-01-24, 08:09 AM
Replies: 11
Views: 565
Posted By Andrew R Stewart

I've seen a lot of US made Cannondales that had...

I've seen a lot of US made Cannondales that had broken off cable fittings. Fewer with chainstay stops damaged but it does happen. One challenge that Cannondales had in greater amounts then other AL...
Forum: Bicycle Mechanics
05-31-24, 08:37 PM
Replies: 23
Views: 870
Posted By Andrew R Stewart

I know of a few formulas to determine chain...

I know of a few formulas to determine chain length but usually let the system tell me what length works best. I'll start with a long chain and see how the various aspects work (shifting response in...
Forum: Bicycle Mechanics
05-31-24, 07:50 AM
Replies: 23
Views: 870
Posted By Andrew R Stewart

While I would agree with your above comment had...

While I would agree with your above comment had it been posted before the OP's post, #4. But the quote you choose to start your post with to me suggests that the OP is learning more about how to...
Forum: Framebuilders
05-30-24, 06:30 PM
Replies: 7
Views: 347
Posted By Andrew R Stewart

I just replied to a thread on the Classic...

I just replied to a thread on the Classic Rendezvous group about paint stripping. I, too, wish there were chemical strippers still around that did small "cash" jobs. No matter how one goes about it...
Forum: Framebuilders
05-30-24, 02:19 PM
Replies: 7
Views: 347
Posted By Andrew R Stewart

Interesting mix of frame styles, including what...

Interesting mix of frame styles, including what might be a S&S coupled frame "half". My first thought was a bunch of Asian made frames waiting for the primer. Taking a longer look I'm not sure...
Forum: Framebuilders
05-30-24, 07:29 AM
Replies: 5
Views: 451
Posted By Andrew R Stewart

"Could a 270lbs rider reasonably ride an EL OS...

"Could a 270lbs rider reasonably ride an EL OS frame?"
Sure but if they are a stomper pedaling squares they likely would find a stouter frame to be a nicer ride. There's no real black and white...
Forum: Bicycle Mechanics
05-30-24, 07:10 AM
Replies: 23
Views: 870
Posted By Andrew R Stewart

And I think this is what the OP just did by...

And I think this is what the OP just did by observing the chain run while someone else rode the bike. Andy
Forum: Bicycle Mechanics
05-28-24, 05:59 PM
Replies: 21
Views: 591
Posted By Andrew R Stewart

If all the usual items (headset, hub, suspension...

If all the usual items (headset, hub, suspension fork) check out OK, and nicely adjusted, it might be the front brake pads slopping a bit within the caliper. Although this usually has a small amount...
Forum: Bicycle Mechanics
05-27-24, 12:14 PM
Replies: 13
Views: 494
Posted By Andrew R Stewart

All above are good replies. We really need far...

All above are good replies. We really need far more info before we might suggest the fork could be or shouldn't be straightened. So photos with "clean" perspectives and using objects like a yard...
Forum: Bicycle Mechanics
05-27-24, 11:12 AM
Replies: 28
Views: 754
Posted By Andrew R Stewart

Gee, thanks for this advice. And so nicely given...

Gee, thanks for this advice. And so nicely given too... (hoping my sarcasm is showing)

This bike likely has many more miles of service to it's owner if they wish. Will it wish for service and...
Forum: Bicycle Mechanics
05-27-24, 08:01 AM
Replies: 26
Views: 876
Posted By Andrew R Stewart

"Andrew et al thinks the wide width is causing...

"Andrew et al thinks the wide width is causing the bead to drop" - icemilkcoffee

No, I tried to suggest that a way wide tire (compared to the rim width) will help the tire bead not contact the rim...
Forum: Bicycle Mechanics
05-26-24, 09:01 AM
Replies: 10
Views: 411
Posted By Andrew R Stewart

I agree, take the bike back to the shop that sold...

I agree, take the bike back to the shop that sold it to you. Most shops have an after purchase follow up servicing as part of their sales policies. Oh wait! You did buy from a shop where you can look...
Forum: Bicycle Mechanics
05-26-24, 08:37 AM
Replies: 26
Views: 876
Posted By Andrew R Stewart

IME you would be wrong. Very wide tires mounted...

IME you would be wrong. Very wide tires mounted onto a narrow rim does increase the bead's ability to slip up/off the rim edge and allow the tire to burp. But you already knew that as you posted...
Forum: Bicycle Mechanics
05-25-24, 06:50 AM
Replies: 26
Views: 876
Posted By Andrew R Stewart

My short answer is to not run those rims tubeless...

My short answer is to not run those rims tubeless and if you have to be tubeless get a rim that interfaces with the tire in a more positive manor.

Burping air on cornering is a "too little air...
Forum: Bicycle Mechanics
05-24-24, 07:40 PM
Replies: 4
Views: 177
Posted By Andrew R Stewart

The hex screw sounds like the fastener that...

The hex screw sounds like the fastener that secures an entry port "fitting". Some companies use a removable (at least till the tiny screw becomes frozen from corrosion) cover plate that has the cable...
Forum: Bicycle Mechanics
05-22-24, 05:36 PM
Replies: 18
Views: 580
Posted By Andrew R Stewart

That you've bought into the modern view of how...

That you've bought into the modern view of how bikes are dealt with... I wonder if a pair of Bicycle Research or Park tire seater pliers would help out. Andy
Forum: Framebuilders
05-21-24, 03:13 PM
Replies: 14
Views: 528
Posted By Andrew R Stewart

[QUOTE=Kontact;23245828]Once the top has been...

[QUOTE=Kontact;23245828]Once the top has been opened with a file, can one close up the bottom via bending?[/QUOTE

Yes but the lower face of the slot won't be parallel to the upper face of the...
Forum: Bicycle Mechanics
05-21-24, 07:28 AM
Replies: 20
Views: 578
Posted By Andrew R Stewart

How did you try moving the front der? By the...

How did you try moving the front der? By the lever, by the cable (and your hand) or did you grab the der cage itself? Can you measure the crank's chainline? (the center of the seat tube to the middle...
Forum: Bicycle Mechanics
05-20-24, 08:03 AM
Replies: 22
Views: 693
Posted By Andrew R Stewart

The Campy (and Shimano) guide pulleys have a free...

The Campy (and Shimano) guide pulleys have a free floating lateral play designed into them (to better align with a cog after a shift, this free play absorbs minor tolerance and adjustment...
Forum: Bicycle Mechanics
05-19-24, 08:23 AM
Replies: 2
Views: 261
Posted By Andrew R Stewart

I long ago learned to not use "punctureless" as...

I long ago learned to not use "punctureless" as the term if the tire still needed air pressure. Simi pneumatic, solid or foam filled tire are examples of what I consider to be true flat proof tires...
Forum: Bicycle Mechanics
05-18-24, 09:30 AM
Replies: 2
Views: 180
Posted By Andrew R Stewart

Look for old grease being glazed or dried out...

Look for old grease being glazed or dried out between the driver and the clutch. The axle bearing adjustment also effects the amount of back pedaling to engage the brake. But just like older IGHs...
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