Go Back  Bike Forums > Search Forums
Reload this Page >

Search Results

 
Search: Posts Made By: Andrew R Stewart
Showing results 1 to 50 of 1000
Search took 2.79 seconds.
Forum: Framebuilders
06-26-19, 10:58 AM
Replies: 3
Views: 165
Posted By Andrew R Stewart

I would not suggest a .7/.5/.7 tube set for a...

I would not suggest a .7/.5/.7 tube set for a commuter or for any tourer. Too easy to dent. Is the seat set back what you have tried already with the seat/bar reach and heights? Andy
06-25-19, 10:23 PM
Replies: 7
Views: 220
Posted By Andrew R Stewart

Well the educated would ask "what's the alloy and...

Well the educated would ask "what's the alloy and heat treatment (if any)?". Then ask about bend radius WRT rod diameter. But the time tested way to deal with this is to bend it and see what happens....
06-25-19, 08:35 PM
Replies: 11
Views: 464
Posted By Andrew R Stewart

dsbrantjr speaks to what I feel is a MAJOR...

dsbrantjr speaks to what I feel is a MAJOR contributor to bike problems. Failure to understand how stuff works and how periodic maintenance can nip in the bud most issues. Also that bikes are not...
Forum: Framebuilders
06-25-19, 07:45 PM
Replies: 13
Views: 1,265
Posted By Andrew R Stewart

My comment about the grommet size differences was...

My comment about the grommet size differences was not focused on it's ID but the OD/shape. For a mechanical cable and casing to fit through the frame's hole and do so at a "working" angle means a...
06-25-19, 07:34 PM
Replies: 6
Views: 285
Posted By Andrew R Stewart

Once again the simple answer is not the complete...

Once again the simple answer is not the complete one (and I am guilty of providing part but not all the answer). Another difference between guide and tension pulleys is their tooth profilers. The...
06-25-19, 07:24 PM
Replies: 17
Views: 543
Posted By Andrew R Stewart

Glad that you were able to find a solution. Andy

Glad that you were able to find a solution. Andy
06-25-19, 08:36 AM
Replies: 14
Views: 310
Posted By Andrew R Stewart

I like to lube my ring bolts too. Andy Check...

I like to lube my ring bolts too. Andy

Check pedals, hub condition/bearing lube, chain lube (yes, extremely dry chains have caused creaking before), stem/fork/bars hardware and lube.
06-25-19, 08:34 AM
Replies: 17
Views: 543
Posted By Andrew R Stewart

While not a bad data point this is not the...

While not a bad data point this is not the complete picture. The concern (especially with and AL frame) is the long term potential for a stress crack to start up. A secondary concern is any bending...
Forum: Framebuilders
06-24-19, 09:16 PM
Replies: 13
Views: 1,265
Posted By Andrew R Stewart

I'm no electronic system expert but I do wonder...

I'm no electronic system expert but I do wonder if the 7x8 oval hole is to allow for either a wire or a cable w/ casing to be used. Andy
06-24-19, 09:13 PM
Replies: 6
Views: 285
Posted By Andrew R Stewart

the upper/guide pulley usually has a designed in...

the upper/guide pulley usually has a designed in side float to allow for manufacturing tolerances and general wear. Not all replacement pulleys have this end play. Andy
06-24-19, 09:09 PM
Replies: 3
Views: 230
Posted By Andrew R Stewart

"3 speed gear set" ?? As in a triple crank set or...

"3 speed gear set" ?? As in a triple crank set or a 3 speed IGH or a 3 cog cassette???

When hauling a trailer most want pretty low gearing. Do you? BTW are there hills in "here"? Andy

Added-...
06-24-19, 09:05 PM
Replies: 17
Views: 543
Posted By Andrew R Stewart

While the frame will flex in upon axle nut...

While the frame will flex in upon axle nut tightening and likely never be a problem why not make the axle width right? A 2mm axle spacer on each side and this gap will be gone, the axle will fit...
06-24-19, 08:59 PM
Replies: 11
Views: 337
Posted By Andrew R Stewart

Yes although your reference to "shifter" in your...

Yes although your reference to "shifter" in your first post speaks to the control lever IMO, not the der. So we agree that the control lever must match up with the cog count for indexing to work well...
06-24-19, 08:48 PM
Replies: 5
Views: 370
Posted By Andrew R Stewart

Crank arms have been asymmetrically spaced from...

Crank arms have been asymmetrically spaced from the frame's centerline for decades. generally this is more of a body alignment thing if really bad but NOT directly an indicator of chain line...
06-24-19, 08:36 PM
Replies: 11
Views: 464
Posted By Andrew R Stewart

The challenge with an IGH or coaster brake is...

The challenge with an IGH or coaster brake is that the axle sees very high rotational forces when either in other then direct drive (with an IGH) or when using the back pedal brake. So much force...
06-24-19, 10:27 AM
Replies: 21
Views: 635
Posted By Andrew R Stewart

We see, and clean off, headset lube weepage on...

We see, and clean off, headset lube weepage on many of the bikes we service, many bikes. Usually it's only a minor amount of lube loss, more a surface "stain" then a lump of lube. But transporting a...
06-24-19, 10:23 AM
Replies: 8
Views: 282
Posted By Andrew R Stewart

The difference between the JIS and ISO spindle...

The difference between the JIS and ISO spindle tapers is the width across the small ends (and the length of the tapered "ramps"). IIRC the ISO have a slightly smaller dimension at the spindle end, so...
06-24-19, 10:18 AM
Replies: 11
Views: 337
Posted By Andrew R Stewart

Maybe if the lever is set to the friction mode......

Maybe if the lever is set to the friction mode... But the amount the der will travel PER "click" is specific to the cog count (and family of actuation ratio). So a 9 "click" (or 10 cogs that has 9...
06-23-19, 08:00 PM
Replies: 8
Views: 282
Posted By Andrew R Stewart

36x24 is the cup/shell threading as in 36mm...

36x24 is the cup/shell threading as in 36mm diameter and 24 threads per inch (yes it's a mix of metric and fractional). You might be able to unthread the RH cup and axle a bit and see if that allows...
06-23-19, 07:52 PM
Replies: 7
Views: 283
Posted By Andrew R Stewart

Expect some to now lambast commercial chain...

Expect some to now lambast commercial chain checkers. One aspect of chain wear little talked about is the lateral flex and how that degrades shifting over time. Andy
06-23-19, 07:39 PM
Replies: 11
Views: 337
Posted By Andrew R Stewart

Why would you want a short cage to cover a wide...

Why would you want a short cage to cover a wide range cog set? The low limit setting should have nothing to do with the small cogs. Either something else is going on (like the cable miss routed at...
06-23-19, 12:21 PM
Replies: 2
Views: 147
Posted By Andrew R Stewart

Within a few cms the drop out eye width and the...

Within a few cms the drop out eye width and the rack width can vary WRT each other. When installed the rack will simply flex to fit the frame. Now if the change of rack strut width is a lot the...
06-23-19, 12:03 PM
Replies: 14
Views: 469
Posted By Andrew R Stewart

Tangent post- Back in the 1970s or 80s the CEO of...

Tangent post- Back in the 1970s or 80s the CEO of Huffy said that the average life miles of a Huffy was 76 miles. We joked at work that this meant Huffy were designed to last 77 miles:) Andy
Forum: Framebuilders
06-22-19, 09:03 PM
Replies: 13
Views: 3,474
Posted By Andrew R Stewart

I take Doug's comments to be this too. I have...

I take Doug's comments to be this too. I have spent some time with Doug and have talked about spec drift. Back before the interweb was Gore's dream we use to believe what was in print:) Now I know...
06-22-19, 09:00 PM
Replies: 7
Views: 283
Posted By Andrew R Stewart

gregf83's suggestion is quite possible, we find...

gregf83's suggestion is quite possible, we find this a few times a year at work.

But it's my nave nature to initially believe the person who has the bike in front of them. Andy
Forum: Framebuilders
06-22-19, 07:13 PM
Replies: 8
Views: 1,322
Posted By Andrew R Stewart

Why is this the case? Is it that the jig...

Why is this the case? Is it that the jig dimensions are set for a edge of shell contact with the jig results in a 34mm centerline for the frame? If so then how do you compensate for a shell that is...
06-22-19, 07:11 PM
Replies: 23
Views: 915
Posted By Andrew R Stewart

It is possible that the shell's threaded diameter...

It is possible that the shell's threaded diameter is a tad larger then spec. This would both make threading in the wrong side's cup easier as well as reduce the likelihood of shell damage from said...
06-22-19, 07:05 PM
Replies: 7
Views: 283
Posted By Andrew R Stewart

So a new cassette and rear der with old chain? ...

So a new cassette and rear der with old chain?

If so first thought is a chain/cog wear miss match skip. With the longer cage but the same length chain the cage will rotate so the guide pulley is...
06-22-19, 03:47 PM
Replies: 2
Views: 234
Posted By Andrew R Stewart

How fast was your cadence when shifting? How much...

How fast was your cadence when shifting? How much power were you putting ino the pedals when shifting? Andy
06-21-19, 08:33 PM
Replies: 3
Views: 261
Posted By Andrew R Stewart

I believe this cable is the Shimano replacement...

I believe this cable is the Shimano replacement one. Raleigh did use Sturmey Archer hubs for many years and as they transitioned to Asian made bike continued SA using SA hubs for a while. Whether the...
06-21-19, 08:28 PM
Replies: 6
Views: 408
Posted By Andrew R Stewart

I think the OP's question might have stopped at...

I think the OP's question might have stopped at the first 9 words. As said a long cage der will shift across the tightest range available. This is an interesting question as our industry seems to...
06-20-19, 06:51 PM
Replies: 23
Views: 915
Posted By Andrew R Stewart

1- Don't post on line if you can't handle a...

1- Don't post on line if you can't handle a little feed back.

2- The Specialized would most likely have Eng threading (whether a b68 or 73mm shell width we don't know yet). So threading the cups...
06-20-19, 08:30 AM
Replies: 5
Views: 404
Posted By Andrew R Stewart

When the measured reach needed is at the end of a...

When the measured reach needed is at the end of a caliper's range the little details like how the pad/arm pivots effects pad height, how wide rims are and how tall/big the pads are can be the...
06-19-19, 08:53 PM
Replies: 11
Views: 489
Posted By Andrew R Stewart

How's the chain line between the ft and rear? How...

How's the chain line between the ft and rear? How wound out is the rear cage when in those low cogs? If you were to be in one/either of those cogs and placed your finger along the chain just as it...
Forum: Framebuilders
06-18-19, 08:06 AM
Replies: 64
Views: 5,213
Posted By Andrew R Stewart

Very nice! I like most all of the style and...

Very nice! I like most all of the style and sizzle (although I still dislike straight blades:)) To Eric's comment about the rear brake cable stop- placing a small hole roughly in the gusset's center...
06-17-19, 10:29 PM
Replies: 3
Views: 438
Posted By Andrew R Stewart

First thought is to do the prudent thing and have...

First thought is to do the prudent thing and have a set of experienced eyes/hands have a go. The list of potentials is long but I would wonder about the rear axle/bearings. Assuming a rear QR skewer,...
Forum: Framebuilders
06-17-19, 08:18 PM
Replies: 2
Views: 577
Posted By Andrew R Stewart

Eric- The two coupled frames I've built also had...

Eric- The two coupled frames I've built also had me questioning retrofits and the wall thickness where the couplers end up. But then I think of all those super thin gage frames with .7mm ends in...
Forum: Framebuilders
06-17-19, 08:14 PM
Replies: 6
Views: 862
Posted By Andrew R Stewart

I do remember when Aermet came "onto" the market....

I do remember when Aermet came "onto" the market. I don't remember decals, if any. But as a recent thread here has proven my memory isn't ironclad:) Andy
06-17-19, 08:02 PM
Replies: 2
Views: 281
Posted By Andrew R Stewart

If you have Ergo levers with the LH side being...

If you have Ergo levers with the LH side being non indexed (but having many steps in it's range) then that side is rather open for compatibility. Some cases of RH incompatibility might be solved with...
06-17-19, 08:18 AM
Replies: 10
Views: 477
Posted By Andrew R Stewart

I'll have to save VeloBase for the future. I run...

I'll have to save VeloBase for the future. I run Shimano R650 and R451 on a few bikes and for a modern dual pivot with 50-55mm reach these are my favs. I have had Campy NR/SR calipers since 1976, so...
06-16-19, 10:09 PM
Replies: 10
Views: 477
Posted By Andrew R Stewart

Are you sure of the reach and model? I don't...

Are you sure of the reach and model? I don't remember a long reach 105 caliper. My quick look up for images shows only shorter reach (39-47 aprox) versions.

I have to say that if I'm right about...
06-16-19, 10:01 PM
Replies: 10
Views: 388
Posted By Andrew R Stewart

Shimano never intended their STI shifters (road...

Shimano never intended their STI shifters (road or MtB) to be serviceable outside of applying lube. Spare parts were never stocked, at times complete shift pods/levers sub assemblies have been out...
06-16-19, 09:54 PM
Replies: 8
Views: 515
Posted By Andrew R Stewart

I haven't done the math but... I doubt the...

I haven't done the math but...

I doubt the seal is rubber, more likely a man made material like most all O rings and such are. If you can find out the material it should be easy to look up...
06-16-19, 07:24 PM
Replies: 10
Views: 388
Posted By Andrew R Stewart

If the problem IS gummy old lube the solution is...

If the problem IS gummy old lube the solution is very well documented on this and many other online sources. Soak the shifter pods in a solvent to clean out the old lube. Spray in light weight lube...
06-16-19, 07:18 PM
Replies: 21
Views: 519
Posted By Andrew R Stewart

I'd like to believe in world peace too but...

I'd like to believe in world peace too but reality says otherwise:). The bike business if full of mixed dimensional (metric and fractional) and designs meant to further the manufacture's profits and...
06-16-19, 04:49 PM
Replies: 21
Views: 519
Posted By Andrew R Stewart

First- There is no M4 5mm. M4 is a 4mm OD. ...

First- There is no M4 5mm. M4 is a 4mm OD.

Second- do check the boss's shape and it's compatibility with other shift levers.

Third- A bottoming tap will tap to nearly the base of a blind...
06-16-19, 02:51 PM
Replies: 10
Views: 388
Posted By Andrew R Stewart

Shimano did have a known problem with an internal...

Shimano did have a known problem with an internal spring failure on some STI units many years ago. The problem resulted in the brake lever blade being dragged along the sweep of the secondary/release...
06-16-19, 02:45 PM
Replies: 16
Views: 673
Posted By Andrew R Stewart

I highly doubt that the 11 speed cage is really...

I highly doubt that the 11 speed cage is really half the width of older examples. Andy
Forum: Framebuilders
06-15-19, 04:05 PM
Replies: 5
Views: 1,232
Posted By Andrew R Stewart

Trek has sold thousands of bikers with a...

Trek has sold thousands of bikers with a significant diameter reduction at the top of the ST. I forget how much post it actually clamped but it's no more then the width of a hand. Being a small guy I...
06-15-19, 03:57 PM
Replies: 14
Views: 748
Posted By Andrew R Stewart

Agreed that tapered square is the most versatile,...

Agreed that tapered square is the most versatile, and good enough for my generation's cycling gods (Merckz, LeMond). Andy
Showing results 1 to 50 of 1000
 


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.