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Search: Posts Made By: Andrew R Stewart
Showing results 1 to 50 of 1000
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08-15-20, 06:10 AM
Replies: 7
Views: 182
Posted By Andrew R Stewart

Having the steerer long enough to need a spacer...

Having the steerer long enough to need a spacer above the stem is a real good idea for future fitting options, independent of steerer material. All my threadless bikes have this and they are all...
08-15-20, 06:06 AM
Replies: 5
Views: 228
Posted By Andrew R Stewart

We see hangerless bikes sometimes. Sometimes they...

We see hangerless bikes sometimes. Sometimes they suffer from the side effects of axle not being fully secured on the drive side or the drop out becoming damaged by the axle nut/QR end nut digging...
08-14-20, 07:23 PM
Replies: 8
Views: 196
Posted By Andrew R Stewart

There's no reason why on low end high production...

There's no reason why on low end high production rims that the seam has to be or will be diametrically across from the valve hole. Andy
Forum: Framebuilders
08-14-20, 06:27 PM
Replies: 48
Views: 1,079
Posted By Andrew R Stewart

Like dsaul I also have built more small frames...

Like dsaul I also have built more small frames then big ones. When you're pushing less then a 48cm TT it's common to have nearly no thick butt at either end. Thankfully small people also then to be...
08-14-20, 06:23 PM
Replies: 3
Views: 136
Posted By Andrew R Stewart

Some freehub bodies have their pawls within the...

Some freehub bodies have their pawls within the body, between the usual two sets of FH bearings. Some have the ratchet at the hubshell end of the body, effectively inside the RH side of the hub...
08-14-20, 06:15 PM
Replies: 21
Views: 457
Posted By Andrew R Stewart

It's not uncommon (for the few times this is the...

It's not uncommon (for the few times this is the case) for a brand to offer a customer retention discount when the "warranty" claim is not a coverable cause. At the shop I work at this has been...
08-14-20, 06:10 PM
Replies: 8
Views: 196
Posted By Andrew R Stewart

Yes, every steel rim I've seen (and that's a LOT)...

Yes, every steel rim I've seen (and that's a LOT) have has seams. Some better finished then others.

Has the OP confirmed the rim is steel with a magnet? Andy
Forum: Framebuilders
08-13-20, 09:00 PM
Replies: 6
Views: 155
Posted By Andrew R Stewart

Agreed that the prognosis isn't good. A BB shell...

Agreed that the prognosis isn't good. A BB shell replacement is not an easy repair. One I would not consider. There are far more tour worthy bikes out there then tis one. And most are not broken. Andy
Forum: Framebuilders
08-13-20, 08:51 PM
Replies: 48
Views: 1,079
Posted By Andrew R Stewart

So I have to ask, is it butt ugly? Andy

So I have to ask, is it butt ugly? Andy
08-13-20, 08:49 PM
Replies: 1
Views: 138
Posted By Andrew R Stewart

I don't know but it looks like a cable connecting...

I don't know but it looks like a cable connecting link of some sort. Andy
08-13-20, 08:45 PM
Replies: 5
Views: 228
Posted By Andrew R Stewart

Consider how much rear axle extends beyond the...

Consider how much rear axle extends beyond the end cap/lock nut. This axle end needs to stop before the drop out's outer face so to insure complete axle retention. One could always cut off the lower...
08-12-20, 08:58 PM
Replies: 3
Views: 101
Posted By Andrew R Stewart

So as long as there's a cable adjuster somewhere...

So as long as there's a cable adjuster somewhere in the system what's the issue? Andy
08-12-20, 08:56 PM
Replies: 2
Views: 99
Posted By Andrew R Stewart

Since Ergo is not a "true" indexed frt system...

Since Ergo is not a "true" indexed frt system there's some fudge IMO as to cage position and lever clicks. I don't bother to count the clicks from the small ring to the large. Instead i focus on the...
Forum: Framebuilders
08-12-20, 07:50 PM
Replies: 48
Views: 1,079
Posted By Andrew R Stewart

[/b] Clean the tube IDs really well, a thin...

[/b]

Clean the tube IDs really well, a thin coating of oil can help to increase the reflections of light when looking down through the tube IDs. With care one can see the shift of the reflections...
08-12-20, 07:26 PM
Replies: 5
Views: 144
Posted By Andrew R Stewart

My Sutherland's manual says that 8 sided...

My Sutherland's manual says that 8 sided Stronglight fixed cups can be any of 4 differing threadings (Eng, Swiss, Frnch and Itl). What are the other markings as in rings? Are you able to ID the...
08-11-20, 09:16 PM
Replies: 7
Views: 152
Posted By Andrew R Stewart

I'll just add that one should confirm that the...

I'll just add that one should confirm that the cone/locknut on the side that is the reference (usually the drive side) are actually tightened against each other. Enough times the cone/locknut can be...
08-11-20, 09:13 PM
Replies: 9
Views: 220
Posted By Andrew R Stewart

have you figured out how to pull the freehub body...

have you figured out how to pull the freehub body and axle yet? Once that's done the bearings are fairly easy to feel for wear. IIRC the axle will be "pressed" out (often meaning tapped out with a...
08-11-20, 09:03 PM
Replies: 175
Views: 10,861
Posted By Andrew R Stewart

Me thinks it depends on the design of the...

Me thinks it depends on the design of the cartridge bearings, "cartridge" being a term of assembly more then actual bearing design. The usual reference of cartridge bearings is for radial contact...
08-10-20, 10:08 PM
Replies: 16
Views: 362
Posted By Andrew R Stewart

Pads are sitting in their shoes under...

Pads are sitting in their shoes under compression. Both because of the clamping pressures the arms provide and the rim rotational force. For decades open ended pad shoes have worked very well, only...
08-10-20, 09:19 PM
Replies: 175
Views: 10,861
Posted By Andrew R Stewart

An axle could be marked to track it's rotational...

An axle could be marked to track it's rotational position WRT the frame. Sounds like a "science" project for some one here to do.

I've adjusted thousands of hubs and other bearings over the years...
Forum: Framebuilders
08-09-20, 08:36 PM
Replies: 2
Views: 265
Posted By Andrew R Stewart

With your lungs as the filters. I did squirt...

With your lungs as the filters.

I did squirt (not spray because that suggests some skills...) Imron mask free many decades ago. As long as you stayed up wind it was fine:) Andy
Forum: Framebuilders
08-09-20, 08:32 PM
Replies: 7
Views: 261
Posted By Andrew R Stewart

One of the constants I have come to believe in is...

One of the constants I have come to believe in is that as we change with age and with the available market we look to that next bike as being the "one". This will likely repeat a few times over the...
Forum: Framebuilders
08-09-20, 08:21 PM
Replies: 5
Views: 211
Posted By Andrew R Stewart

Not sure production designers anticipate how far...

Not sure production designers anticipate how far their customers will "send" their bikes but I di suspect they heed how well those riders can land their bikes:) Andy.
08-09-20, 08:16 PM
Replies: 79
Views: 4,372
Posted By Andrew R Stewart

Always like that solar eclipse watch. Andy

Always like that solar eclipse watch. Andy
08-09-20, 08:12 PM
Replies: 31
Views: 633
Posted By Andrew R Stewart

Left is rear for a few reasons that some might...

Left is rear for a few reasons that some might not care about, on my bikes. Andy
08-09-20, 08:11 PM
Replies: 175
Views: 10,861
Posted By Andrew R Stewart

The load on the cones isn't radial. Typical...

The load on the cones isn't radial. Typical bearing contact angles are 20-30* and with the angular forces that a wheel sees during pedaling alternate sides of the bike as well as turns the cones see...
08-08-20, 08:09 PM
Replies: 12
Views: 296
Posted By Andrew R Stewart

Material quality, tolerance control, finish,...

Material quality, tolerance control, finish, replacement parts, marketing, ego bling, weight. Andy
Forum: Framebuilders
08-08-20, 05:52 PM
Replies: 48
Views: 1,079
Posted By Andrew R Stewart

Or stem angle and position on steerer? Andy

Or stem angle and position on steerer? Andy
Forum: Framebuilders
08-08-20, 05:50 PM
Replies: 5
Views: 211
Posted By Andrew R Stewart

Agreed that riding style, suspension presence,...

Agreed that riding style, suspension presence, crank arm length and other factors come into play. This is one design spec that duplicating what has worked before on a production bike (independent on...
08-08-20, 05:45 PM
Replies: 14
Views: 417
Posted By Andrew R Stewart

I was going to post the technique error but Ben...

I was going to post the technique error but Ben beat me to it. BTW it's far easier to feel/sense a loose bearing adjustment (after all cones and lock nuts are fully counter tightened) if the...
08-08-20, 01:00 PM
Replies: 9
Views: 325
Posted By Andrew R Stewart

I spray Clean Streak on a paper towel the use it...

I spray Clean Streak on a paper towel the use it to wipe off chain lube after applying the lube. I do this 2 or 3 times and pedal a bit between to give the lube inside the links a chance to be...
08-08-20, 08:04 AM
Replies: 7
Views: 222
Posted By Andrew R Stewart

These one piece cranks/BBs are very rugged given...

These one piece cranks/BBs are very rugged given the generally low grade of steel and construction they are often offered with. Like a real to real tape decks would have sounded amazing (compared to...
08-07-20, 08:37 PM
Replies: 16
Views: 297
Posted By Andrew R Stewart

I guess it's about one's need to turn a service...

I guess it's about one's need to turn a service buck and one's need to help a customer make a wise decision. I think I've expressed my views well enough so feel free to continue here but i'm done....
08-07-20, 08:34 PM
Replies: 24
Views: 734
Posted By Andrew R Stewart

Not sure I would describe the business choice in...

Not sure I would describe the business choice in this way. Business choice of how long to provide warranty coverage. There's a number of factors as to how long to state warranty replacement besides...
08-07-20, 08:18 PM
Replies: 7
Views: 222
Posted By Andrew R Stewart

The ring with the curved slot is a lock washer....

The ring with the curved slot is a lock washer. It's ID hole has a tab that engages with a slot on the BB shaft (or the arms) to keep this part from turning when the lock nut is worked on. But...
08-07-20, 08:13 PM
Replies: 16
Views: 297
Posted By Andrew R Stewart

Yes I read of the OP's intention to raise the...

Yes I read of the OP's intention to raise the saddle. But my point is who pays for the repair? The one who will ride the bike or someone else? I wasn't trying to say this bike should not be serviced,...
08-07-20, 07:36 PM
Replies: 13
Views: 262
Posted By Andrew R Stewart

Shimano road and mountain specs have had both...

Shimano road and mountain specs have had both cable pull ratios and ring spacing differences (with the front of the drivetrain) for years. This is why the smart bike brands (and home guys) who mix...
08-07-20, 07:31 PM
Replies: 4
Views: 213
Posted By Andrew R Stewart

So the various axial elements (freewheel, bearing...

So the various axial elements (freewheel, bearing cup, hubshell) are no longer aligned. It's likely that there's broken/cracked metal inside. Fixing that in a hub is not cost effective. But pull the...
08-07-20, 07:28 PM
Replies: 24
Views: 734
Posted By Andrew R Stewart

I have no doubt that a weld fab shop (or builder...

I have no doubt that a weld fab shop (or builder who does welding) can lay a bead along the crack. I do wonder about the long term reliability though of said repair. I think it's fair to wonder about...
08-07-20, 07:18 PM
Replies: 16
Views: 297
Posted By Andrew R Stewart

I didn't say that, Why would you assume I wanted...

I didn't say that, Why would you assume I wanted to sell a bike? To clarify when I assess a bike for service I feel the need to include the customer's intent and their acceptance of that bike, not...
08-07-20, 06:56 AM
Replies: 16
Views: 297
Posted By Andrew R Stewart

I guess I am trained to service the customer...

I guess I am trained to service the customer before the bike. Andy
08-06-20, 09:03 PM
Replies: 22
Views: 645
Posted By Andrew R Stewart

So my question is the resulting hole diameter and...

So my question is the resulting hole diameter and whether a rivnut is available for that diameter. Or maybe is a bike sourced and tool supported rivnut available. Sure there are other thread specs...
08-06-20, 08:55 PM
Replies: 16
Views: 297
Posted By Andrew R Stewart

I'll just add the counter point on whether the...

I'll just add the counter point on whether the bike is worth investing in if it's the wrong size. I note the extremely low saddle height... Andy
Forum: Framebuilders
08-06-20, 07:24 AM
Replies: 48
Views: 1,079
Posted By Andrew R Stewart

Trail of 64mm is pretty much what I aim for if...

Trail of 64mm is pretty much what I aim for if possible with 700c wheels. Andy
08-06-20, 07:22 AM
Replies: 3
Views: 141
Posted By Andrew R Stewart

I have no experience that I can pull back out of...

I have no experience that I can pull back out of the old grey matter but just about every internal routed cable I have dealt with from that era have no internal tunnel (and sometimes suffer from...
08-06-20, 07:20 AM
Replies: 16
Views: 441
Posted By Andrew R Stewart

No but that's exactly why I like the 3 piece...

No but that's exactly why I like the 3 piece master links, they are harder to come undone. For those who believe that der chains see the hardest use what with shifting stresses and all spend a season...
08-05-20, 07:34 PM
Replies: 4
Views: 177
Posted By Andrew R Stewart

It's a simple math problem to, on paper, design a...

It's a simple math problem to, on paper, design a crank/BB length combo and the resulting ring/frame clearance if you have the same crank mounted on a known BB length. Just measure the amount od...
08-05-20, 06:34 AM
Replies: 16
Views: 441
Posted By Andrew R Stewart

The two piece master link described is likely for...

The two piece master link described is likely for a 1/8" chain, not a 3/32" der chain. The side plate with two holes does have the hole spacing closer then the pins are. One places the plate with...
08-05-20, 06:29 AM
Replies: 4
Views: 220
Posted By Andrew R Stewart

I took the OP's wheel as having the rim on the...

I took the OP's wheel as having the rim on the frame's centerline but the axle is off set to one side. Then this wheel was to be used in a different frame that has centered drop outs and thus the rim...
08-04-20, 06:42 PM
Replies: 3
Views: 134
Posted By Andrew R Stewart

Giant USA is not set up to deal directly with the...

Giant USA is not set up to deal directly with the public. In fact it might be disallowed in their contract with their retail dealers. Cpach has it right. A Giant dealer is the first place to source...
Showing results 1 to 50 of 1000
 


 
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