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Search: Posts Made By: Andrew R Stewart
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08-18-19, 10:15 AM
Replies: 8
Views: 247
Posted By Andrew R Stewart

If anything I would think that the swinging seat,...

If anything I would think that the swinging seat, that Softride has, will lessen the force peaks in a traditional down tube and possibly increase the forces in the top tube. I have only worked on a...
08-18-19, 10:07 AM
Replies: 6
Views: 469
Posted By Andrew R Stewart

+1 Andy

+1 Andy
08-18-19, 10:05 AM
Replies: 3
Views: 92
Posted By Andrew R Stewart

I don't know why one might think an AL ebike...

I don't know why one might think an AL ebike frame might be "very nice". The vast majority of those I see are simple thick walled, built for a price point constructs made with various designs to deal...
08-18-19, 09:51 AM
Replies: 6
Views: 259
Posted By Andrew R Stewart

Pretty much any two parts touching each other can...

Pretty much any two parts touching each other can be the source of noise. Looking at my bike I see dozens of said contact points. So as ds said check out/change/service the easy to do ones first....
08-17-19, 05:56 PM
Replies: 1
Views: 105
Posted By Andrew R Stewart

Don't assume that both wheels' rims are made to...

Don't assume that both wheels' rims are made to the same tolerance spec. It sounds like the rear rim is slightly undersized. Try swapping the tires to each others' wheels and see how they fit.
...
08-17-19, 01:45 PM
Replies: 8
Views: 247
Posted By Andrew R Stewart

Damage is often cosmetic, until it isn't. IIRC...

Damage is often cosmetic, until it isn't. IIRC Softrides have only a single frame member between the headtube and the seat tube/bb. Unlike a failure in a normal diamond frame where the break is...
08-17-19, 12:36 PM
Replies: 16
Views: 473
Posted By Andrew R Stewart

The cable anchor bolt has a tabbed washer under...

The cable anchor bolt has a tabbed washer under it's head. The cable is trapped between this tabbed washer and the der arm. By running the cable to the outside of the tab you change the amount the...
Forum: Framebuilders
08-17-19, 08:16 AM
Replies: 3
Views: 208
Posted By Andrew R Stewart

Any area bike shops have any suggestions? It...

Any area bike shops have any suggestions? It would amaze me if Cleveland didn't have a few power coaters who do bikes already. And that a LBS would have seen some bikes done by the local PCers. Andy
08-17-19, 08:12 AM
Replies: 3
Views: 227
Posted By Andrew R Stewart

Maybe. First thing I think of is the...

Maybe. First thing I think of is the frame/blade/stay clearance with a longer pad. Next up is the different "thickness" between the pad's surface and the mounting stud's washers/spacers and what the...
Forum: Framebuilders
08-16-19, 06:07 PM
Replies: 2
Views: 201
Posted By Andrew R Stewart

Part of the issue with the ST/TT junction is the...

Part of the issue with the ST/TT junction is the binder for the post. Too thin a ST wall and you get stretch city and the slot can close up more easily over time. Especially if you're a tad...
08-16-19, 09:08 AM
Replies: 20
Views: 519
Posted By Andrew R Stewart

Exactly! But I do note that the OP said there was...

Exactly! But I do note that the OP said there was no casing puncture or cut found. To me this suggests the bead separated from the rim. We have no data on whether the tire was still fully mounted...
08-16-19, 08:54 AM
Replies: 16
Views: 473
Posted By Andrew R Stewart

Ah, now I see. Most indexed shifters have little...

Ah, now I see. Most indexed shifters have little or no real cable spool friction. In fact reducing any friction within the shifter is a goal. This is a separate aspect then the spool rotation...
08-15-19, 09:41 PM
Replies: 6
Views: 323
Posted By Andrew R Stewart

Just like in the auto biz there's a lot of...

Just like in the auto biz there's a lot of subcontracting out in the bike biz. Perhaps there's more brand awareness and the resulting muddying of the manufacturing source waters today but there's...
08-15-19, 09:35 PM
Replies: 16
Views: 473
Posted By Andrew R Stewart

Let me be less obtuse, what do you mean by "screw...

Let me be less obtuse, what do you mean by "screw in the middle"? That's not a common bike component reference. Do you mean a cable length (usually said as tension) adjuster?

Remove the cable...
08-15-19, 08:39 PM
Replies: 16
Views: 473
Posted By Andrew R Stewart

Not sure what "screw in the middle" you're...

Not sure what "screw in the middle" you're talking about...

First think I think of is too much cable tension for where the high limit screw is (needs to be?) set. Andy
08-15-19, 08:37 PM
Replies: 20
Views: 519
Posted By Andrew R Stewart

The problem with trying to figure this type of...

The problem with trying to figure this type of incident out is often the lack of real data. Do you know the pressure the shop set the tires at? Do you know who much might have bled off before you...
08-15-19, 08:12 PM
Replies: 20
Views: 519
Posted By Andrew R Stewart

I think someone who knows this stuff needs to...

I think someone who knows this stuff needs to examine the tire, tube and rim. There are tell tale signs of a bead blow off that might be present.

Tire pressure is not an absolute. What's right...
Forum: Framebuilders
08-14-19, 10:32 PM
Replies: 13
Views: 1,821
Posted By Andrew R Stewart

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/1500x2000/img_2307_32ce928fcad5a46b15114e3857df61d8ab0a09ba.jpg...
08-14-19, 10:01 PM
Replies: 5
Views: 264
Posted By Andrew R Stewart

Ultra 6 is a specific to SunTour design. "ultra...

Ultra 6 is a specific to SunTour design. "ultra six" is a generic reference to a 6 speed cog set with less then the usual 5 speed cog to cog spacing. SunTour cog spacing, back then, wasn't consistent...
08-14-19, 09:51 PM
Replies: 15
Views: 428
Posted By Andrew R Stewart

Can't say I have ever seen a crank bolt washer as...

Can't say I have ever seen a crank bolt washer as thin as a beer can... Andy
08-14-19, 09:45 PM
Replies: 13
Views: 343
Posted By Andrew R Stewart

A new hub as a source for an axle is not wrong....

A new hub as a source for an axle is not wrong. No one is making you use the hub shell and rebuild the wheel. You'd end up with spare cones, which might need replacing anyway... Andy
08-14-19, 06:04 PM
Replies: 2
Views: 176
Posted By Andrew R Stewart

I suppose this is a question on compatibility? No...

I suppose this is a question on compatibility? No the Shimano and Suntour systems were not intended to be compatible. One might get a few shifts that work sort of well but the differences of cable...
08-13-19, 09:35 PM
Replies: 13
Views: 419
Posted By Andrew R Stewart

Is it lens distortion or is that axle bent? Andy

Is it lens distortion or is that axle bent? Andy
Forum: Framebuilders
08-13-19, 11:40 AM
Replies: 6
Views: 293
Posted By Andrew R Stewart

"rear kickstand" isn't specific for me to...

"rear kickstand" isn't specific for me to reference. I get a few different designs and attachment methods when I google.

Some of my question was about a "leaning bike type" or a "keep bike...
Forum: Framebuilders
08-13-19, 09:26 AM
Replies: 6
Views: 293
Posted By Andrew R Stewart

Kickstand plates are not hard to add. The last...

Kickstand plates are not hard to add. The last frame I did has one. What actual mounting location are you thinking of? On the chainstay bottoms just behind the bb shell or on the chainstay just ahead...
08-12-19, 09:57 PM
Replies: 23
Views: 520
Posted By Andrew R Stewart

https://www.steintool.com/portfolio-items/crank-ex...

https://www.steintool.com/portfolio-items/crank-extractor-system/

I have yet to use this tool but have a number of Stein tools and they are all very effective. If I still ran my shop I would have...
08-12-19, 09:47 PM
Replies: 8
Views: 312
Posted By Andrew R Stewart

Shimano likely has a "higher grade" unit that...

Shimano likely has a "higher grade" unit that will fit the hubshell interface, they've used the same lobed design for many decades. But one challenge with replacing freehub bodies with non spec ones...
08-12-19, 07:13 PM
Replies: 6
Views: 337
Posted By Andrew R Stewart

I suppose one could ride their bike to a friendly...

I suppose one could ride their bike to a friendly hardware store (or other source) and trial fit common bolts into the fork/stay pivot bases to find out the specific threading. Then when the search...
08-12-19, 08:12 AM
Replies: 6
Views: 337
Posted By Andrew R Stewart

Most all the pivot studs I've dealt with have a...

Most all the pivot studs I've dealt with have a fairly coarse thread pitch. Like 10x1.25, 8x1.25. There are different threadings and, for the newbie, which is needed can best be confirmed by actual...
08-12-19, 07:25 AM
Replies: 31
Views: 1,324
Posted By Andrew R Stewart

This thread is not too different from what goes...

This thread is not too different from what goes on in a LBS shop all the time. It's how we teach those less experienced.

A question/situation is presented. Thoughts/ideas are talked about and...
08-12-19, 07:21 AM
Replies: 31
Views: 1,324
Posted By Andrew R Stewart

Re: Ball counts- There are some Shimano ft hubs...

Re: Ball counts- There are some Shimano ft hubs that take 11 3/16" balls per side. Having only 10 in a side should do no harm. HOWEVER having 11 balls in a hub designed to use 10 is a problem.
...
08-11-19, 02:30 PM
Replies: 31
Views: 1,324
Posted By Andrew R Stewart

I really attribute this bearing condition to a...

I really attribute this bearing condition to a wear issue, not a heat one. My suggestion of the term "burned" is more for customer acceptance then actual causation. I've never thought that a bike...
08-09-19, 09:18 PM
Replies: 31
Views: 1,324
Posted By Andrew R Stewart

I alluded to an alternative story line. Lithium...

I alluded to an alternative story line. Lithium grease isn't the norm for a Shimano factory lube. I suspect these hubs have been serviced before and the balls were burned/blued before the mentioned...
08-09-19, 08:12 PM
Replies: 31
Views: 1,324
Posted By Andrew R Stewart

What*******orry but never heard about too much...

What*******orry but never heard about too much lube (and lithium grease is a decade old acceptable bike bearing grease for most applications) being a cause of heat. Seriously, after 45 years of doing...
08-09-19, 05:01 PM
Replies: 58
Views: 3,018
Posted By Andrew R Stewart

Agreed that Schwinn usually had reasons to do...

Agreed that Schwinn usually had reasons to do things that generally were valid. But they did miss the ball on mountain bikes in the early 1980s big time. The reasons I have read of had little to do...
08-09-19, 04:57 PM
Replies: 4
Views: 206
Posted By Andrew R Stewart

Well since we can't see the piece you write of...

Well since we can't see the piece you write of I'll guess that you have a cassette spacer that is usually used behind a 10 speed cassette when installed on many freehub bodies (like Shimano). The...
08-09-19, 04:52 PM
Replies: 31
Views: 1,324
Posted By Andrew R Stewart

I call them "burned balls" to my customers. But I...

I call them "burned balls" to my customers. But I suspect they have been worn enough to better allow a surface of corrosion to happen. I wonder if the previous owner/service guy was thinking they...
08-09-19, 09:54 AM
Replies: 27
Views: 656
Posted By Andrew R Stewart

Yes, I thought so. Another aspect of tire fit and...

Yes, I thought so. Another aspect of tire fit and these non hook edge rims is the usual lowering of the tire's max pressure rating. Without the rim's hook to help mechanically fit the tire's bead the...
Forum: Framebuilders
08-09-19, 07:58 AM
Replies: 5
Views: 594
Posted By Andrew R Stewart

t e r r y- I can help you with "reasons" to do...

t e r r y- I can help you with "reasons" to do any mods or project you wish. I have a life time of doing such and rarely get even half of the cost covered. I always called this the cost of...
08-09-19, 07:55 AM
Replies: 13
Views: 377
Posted By Andrew R Stewart

What I see is the chain touching the cage's tab....

What I see is the chain touching the cage's tab. cobba's suggestion to check chain length when in the big/big combo is a good one as from this view it looks like the chain is a tad long.

Another...
08-09-19, 07:48 AM
Replies: 27
Views: 656
Posted By Andrew R Stewart

Thanks for the vid. What rim is that? It sort of...

Thanks for the vid. What rim is that? It sort of looks like a mid/late 1970s and if so likely doesn't have a hooked edge. Modern tires are designed around said hook edge. Andy
08-08-19, 07:40 PM
Replies: 27
Views: 656
Posted By Andrew R Stewart

If the rim is narrow and if the valve stem base...

If the rim is narrow and if the valve stem base was fully seated in the rim's valley then the sides of the valve base might be keeping the tire's bead from fully seating onto the rim at this point,...
08-08-19, 08:58 AM
Replies: 43
Views: 1,890
Posted By Andrew R Stewart

Does the fork/bars freely swing to either side...

Does the fork/bars freely swing to either side when the bike's front wheel is a couple of inches off the road and the bike is slightly leaned to one side? Does the fork/bars seem to settle into one...
08-08-19, 08:15 AM
Replies: 3
Views: 247
Posted By Andrew R Stewart

It seems that your wheel is a different version...

It seems that your wheel is a different version then that in the spec sheet. So I wouldn't spend too much time comparing the specs.

Many wheels end up with replacement spokes of differing shape...
08-07-19, 09:05 PM
Replies: 43
Views: 1,890
Posted By Andrew R Stewart

The "K" is pretty far from the usual location for...

The "K" is pretty far from the usual location for a head end impact tube ripple. Andy (who is shooting in the dark without imagery)
08-07-19, 09:00 PM
Replies: 27
Views: 911
Posted By Andrew R Stewart

RG- Chain line is a wonderful spec to hit spot...

RG- Chain line is a wonderful spec to hit spot on. But chain ring clearance with the chain stays and the ability for the ft der to travel far enough in or out are more direct to the system's working....
Forum: Framebuilders
08-06-19, 08:37 PM
Replies: 5
Views: 594
Posted By Andrew R Stewart

Yes, racks and mods are a good way to begin your...

Yes, racks and mods are a good way to begin your building foundation. Not sure this Univega frame is worth all that though... Andy
08-06-19, 08:29 PM
Replies: 27
Views: 911
Posted By Andrew R Stewart

Unless some one here posts a manufacture's or...

Unless some one here posts a manufacture's or user's suggestion the way to find out the BB length is by trial and error.

The bike industry isn't a simple plug and play one often:) Andy
Forum: Framebuilders
08-06-19, 09:13 AM
Replies: 9
Views: 621
Posted By Andrew R Stewart

Can you relay what aspect seemed to be "extra...

Can you relay what aspect seemed to be "extra strength"? If it's about the amount of material beyond the axle slot or running down to the hanger then simple viewing might give you a good idea as to...
08-06-19, 09:01 AM
Replies: 21
Views: 751
Posted By Andrew R Stewart

Since the problem is likely with the rear hub...

Since the problem is likely with the rear hub it's brand/model might help us help you. Third party photo hosting sites can be linked to by writing out the "." as "dot".

Sounds like a bearing...
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