Bike Forums

Go Back  Bike Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Today's Posts
Search
Vendor Directory
Notices
 
Page 1 of 20
1
2
3
11
Last »
Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
Search took 0.09 seconds.
Forum: Classic & Vintage
06-18-24, 06:20 AM
Replies: 38
Views: 1,110
Posted By Duragrouch

"I don't know why you insist on learning things...

"I don't know why you insist on learning things the hard way, but you gon' learn. Oh yeah, you gon' learn." - Furious Styles, Boyz n the Hood (1991)
Forum: Road Cycling
06-18-24, 12:24 AM
Replies: 39
Views: 959
Posted By Duragrouch

Understood. A couple quick things to help you...

Understood. A couple quick things to help you going forward, I hope this does not overwhelm you. If so, just stash for the future:

- Online gear-calculators are fantastic, saving you lots of...
Forum: General Cycling Discussion
06-17-24, 11:25 PM
Replies: 52
Views: 870
Posted By Duragrouch

That's good to hear. I was not aware because I...

That's good to hear. I was not aware because I have stayed away from it, plus I don't have a TV.
Forum: General Cycling Discussion
06-17-24, 10:53 PM
Replies: 52
Views: 870
Posted By Duragrouch

I'm very unusual. Over the last 15 years I have...

I'm very unusual. Over the last 15 years I have become averse to competitive sports. Part of it is promoters who actively encourage conflict and trash-talk to increase the theater of it and...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling
06-17-24, 08:49 PM
Replies: 5
Views: 199
Posted By Duragrouch

I never knew the name Boyer. Looking now, I can't...

I never knew the name Boyer. Looking now, I can't believe that he was the first USA participant in the TdF in 1981, only a few years befor LeMond's win. Hard to realize that in all the decades prior,...
Forum: Bicycle Mechanics
06-17-24, 08:30 PM
Replies: 13
Views: 211
Posted By Duragrouch

I now realize that you are talking about what I...

I now realize that you are talking about what I called a Teleflex cable, also known as a Bowden cable for both pull-only, and push/pull application, like controlling a manual choke on an engine....
Forum: Bicycle Mechanics
06-17-24, 04:19 AM
Replies: 13
Views: 211
Posted By Duragrouch

Hah, that's the same link I found when looking it...

Hah, that's the same link I found when looking it up. It's nice that Shimano maintains history pages.

That Rene Herse one looked awesome, but it was like five hundred bucks! And what I really...
Forum: Folding Bikes
06-17-24, 04:03 AM
Replies: 21
Views: 486
Posted By Duragrouch

Just be sure to not buy the Joe Strumey Archer...

Just be sure to not buy the Joe Strumey Archer hub; The gears Clash. :rolleyes:
Forum: Bicycle Mechanics
06-17-24, 03:09 AM
Replies: 13
Views: 211
Posted By Duragrouch

This is interesting to me, because I saw in...

This is interesting to me, because I saw in Bicycle Quarterly a rear(?) derailleur I think, with a pull cable in both directions and no spring, supposed to give feather light shift force. Rene Herse...
Forum: Touring
06-17-24, 02:38 AM
Replies: 7
Views: 453
Posted By Duragrouch

Thanks. I've mentioned similar policies in other...

Thanks. I've mentioned similar policies in other threads, ability to take full-size bike with no oversize charge, many airlines. But... last I checked, this was all airlines which still charged $35...
Forum: General Cycling Discussion
06-17-24, 02:25 AM
Replies: 52
Views: 870
Posted By Duragrouch

Yeah, you reminded me of why I stopped having...

Yeah, you reminded me of why I stopped having interest in the TdF, I forgot about that. Haven't watched since the big scandals.
Forum: Folding Bikes
06-17-24, 02:19 AM
Replies: 21
Views: 486
Posted By Duragrouch

Not quite that heavy, but my folder is typically...

Not quite that heavy, but my folder is typically 55 lbs + perhaps 20 groceries + fat me, and I do 10% hills all the time, some short 15%.

If the Expressway is 20"/406, you can get lower gearing,...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling
06-17-24, 01:47 AM
Replies: 5
Views: 199
Posted By Duragrouch

When I first saw a TV program on RAAM, can't...

When I first saw a TV program on RAAM, can't remember if late '70s or early '80s, I mentioned to my dad the total times and he *scoffed*, "Impossible. You look at the daily distances in the Tour de...
Forum: General Cycling Discussion
06-17-24, 01:41 AM
Replies: 52
Views: 870
Posted By Duragrouch

Wild-@ss guess... carbon frame? :rolleyes: ...

Wild-@ss guess... carbon frame? :rolleyes:



Hadn't even heard of this, but that was my immediate thought, as I have seen the F1 series at someone else's house. I don't even have a TV, much less...
Forum: Folding Bikes
06-17-24, 01:20 AM
Replies: 21
Views: 486
Posted By Duragrouch

Sachs bike components was sold to SRAM (who was...

Sachs bike components was sold to SRAM (who was only shifters at the time), who continued the internal gear hubs for some years and then sold those designs to Sun Race I think.

I don't know of any...
Forum: Road Cycling
06-17-24, 12:16 AM
Replies: 39
Views: 959
Posted By Duragrouch

OP: That looks like a real corncob straight-block...

OP: That looks like a real corncob straight-block rear gearing. Whether it's freewheel or cassette, you should be able to fit much wider gearing there without needing to replace the hub, you should...
Forum: Folding Bikes
06-16-24, 11:55 PM
Replies: 54
Views: 4,324
Posted By Duragrouch

Twisting the cord to tension it up is valid, this...

Twisting the cord to tension it up is valid, this method was used to tension vintage bowsaws, as long as not dozens and dozens of twists, as more twists make the line more elastic than if the line is...
Forum: Folding Bikes
06-16-24, 11:34 PM
Replies: 17
Views: 449
Posted By Duragrouch

In my post above about Z-bend spokes, they...

In my post above about Z-bend spokes, they currently make a tool to do that, usually available at a store or online that has supplies for Radio Control (RC) airplanes and such, they are used to make...
Forum: Bicycle Mechanics
06-16-24, 11:14 PM
Replies: 38
Views: 813
Posted By Duragrouch

Thank you for both explanations. Stent: Huh, I...

Thank you for both explanations. Stent: Huh, I had it backwards. I thought compressed axially and it expands in diameter. Sounds like expanded in diameter and it shrinks axially. That does sound more...
Forum: Framebuilders
06-16-24, 11:11 PM
Replies: 28
Views: 520
Posted By Duragrouch

If the chainstays went from oval to round section...

If the chainstays went from oval to round section under pressure of expanding ice (and possibly multiple cycles of that), I don't think the length would change. However, if they were expanded beyond...
Forum: Bicycle Mechanics
06-16-24, 10:57 PM
Replies: 38
Views: 813
Posted By Duragrouch

I don't know what I'm looking at there; Is it...

I don't know what I'm looking at there; Is it lengthwise sections of cylinder with cones at each end that expand it? It is it like a cardiac stent that expands when compressed axially? I wish they...
Forum: Road Cycling
06-16-24, 05:19 AM
Replies: 39
Views: 959
Posted By Duragrouch

When fiberglass (Glass Reinforced Plastic or GRP)...

When fiberglass (Glass Reinforced Plastic or GRP) was first introduced on boats, they built ocean cruisers as thick as wood, they didn't know how strong GRP was. Then they did, and GRP got ever...
Forum: Road Cycling
06-16-24, 04:15 AM
Replies: 40
Views: 1,263
Posted By Duragrouch

You must be really area-ruled.

You must be really area-ruled.
Forum: General Cycling Discussion
06-16-24, 02:42 AM
Replies: 53
Views: 2,389
Posted By Duragrouch

From wiki: But also notably: EDIT:...

From wiki:

But also notably:


EDIT: Volunteer Fire Department... even MORE socialist! Ironic that those are mostly in "red" areas of the country.
Forum: Folding Bikes
06-16-24, 02:35 AM
Replies: 91
Views: 7,589
Posted By Duragrouch

They're cheap in southeast Asia, but cost a ton...

They're cheap in southeast Asia, but cost a ton to ship here, enough that they then exceed 1/2 the cost of a genuine Brompton, for a copy. It would have to be less than 1/3 for me to buy. I don't...
Forum: Framebuilders
06-16-24, 02:15 AM
Replies: 28
Views: 520
Posted By Duragrouch

Not a framebuilder, just an engineer. Given that...

Not a framebuilder, just an engineer. Given that the density of ice is 0.917 that of water, that bulge is significant enough (looks like more than 8-9%) that it may be from one freeze cycle, or...
Forum: Folding Bikes
06-16-24, 01:29 AM
Replies: 6
Views: 224
Posted By Duragrouch

Thank you, that helps narrow things quite a lot....

Thank you, that helps narrow things quite a lot. Not needing an ultra-compact fold like the Brompton, opens up many more options, both lower cost, and larger wheels for better ride. A 20" wheel...
Forum: Folding Bikes
06-16-24, 01:09 AM
Replies: 91
Views: 7,589
Posted By Duragrouch

Well if they were breaking left and right, I...

Well if they were breaking left and right, I think we'd hear about it. My first (steel) Dahon frame cracked due to a design flaw (which was later corrected), but also because I put more miles on it...
Forum: Bicycle Mechanics
06-15-24, 11:52 PM
Replies: 23
Views: 644
Posted By Duragrouch

Oh no, I think you misunderstand; Assuming every...

Oh no, I think you misunderstand; Assuming every bearing is the same size, within microns, if no preload, you still only load a couple bearing balls on the bottom. This is less of an issue on the...
Forum: Folding Bikes
06-15-24, 11:24 PM
Replies: 91
Views: 7,589
Posted By Duragrouch

You're right, with that weight limit, and I did...

You're right, with that weight limit, and I did notice the 36 spoke wheels, should be beefy enough. Especially when I'd add an ersatz deltech cable. The achilles heel, according to some, is potential...
Forum: Folding Bikes
06-15-24, 10:50 PM
Replies: 91
Views: 7,589
Posted By Duragrouch

It's the Bull and was on sale for $500, but it's...

It's the Bull and was on sale for $500, but it's aluminum. It comes with a front derailleur bracket, I recommended to the seller that they offer it turn-key with 2X gearing. But I was always kind of...
Forum: Folding Bikes
06-15-24, 08:14 PM
Replies: 91
Views: 7,589
Posted By Duragrouch

Update: I still haven't replaced the wheels but...

Update: I still haven't replaced the wheels but after seeing a thread where someone wore through the sidewall and the rim destructed, I went to the bike shop to see if they had calipers or a...
Forum: Folding Bikes
06-15-24, 07:48 PM
Replies: 17
Views: 449
Posted By Duragrouch

Thanks. Yeah. That's usually the case. I just...

Thanks. Yeah. That's usually the case. I just thought that with your incredible part costs, it might be different with you, but that means you must be getting fantastic prices on wheelsets too. I'm...
Forum: Folding Bikes
06-15-24, 06:56 PM
Replies: 17
Views: 449
Posted By Duragrouch

Ron, great info as usual, thanks. A couple...

Ron, great info as usual, thanks. A couple questions:

Can you economically buy hubs, spokes, and rims at equal or less cost than built wheels? I would prefer to build my own wheels and select...
Forum: Bicycle Mechanics
06-15-24, 06:38 PM
Replies: 23
Views: 644
Posted By Duragrouch

Edited above while you were writing. Brandt says...

Edited above while you were writing. Brandt says exactly what I learned from bearing manufacturers; Even if no gap, no preload means you are loading 1 or 2 bearing balls per side. Riding a mile won't...
Forum: Bicycle Mechanics
06-15-24, 06:25 PM
Replies: 23
Views: 644
Posted By Duragrouch

I agree, that will detect if bearings too tight...

I agree, that will detect if bearings too tight and binding. But not be able to tell me if slack, zero slack, and just the right amount of preload, which all spin well. The latter has been impossible...
Forum: General Cycling Discussion
06-15-24, 06:17 PM
Replies: 53
Views: 2,389
Posted By Duragrouch

+1. A uniform is by it's nature... uniform. The...

+1. A uniform is by it's nature... uniform. The same*. But I grasp Zappa's sentiment. He seemed smarter than the average rocker.

* A point I make to people who demonize every form of socialism....
Forum: Bicycle Mechanics
06-15-24, 06:05 PM
Replies: 23
Views: 644
Posted By Duragrouch

Sidebar: Not related to this specific hub. But...

Sidebar: Not related to this specific hub. But what you said above is significant; Any wheel, once inserted into the dropouts and the QR tightened (if it compresses the axle at all), you cannot feel...
Forum: Bicycle Mechanics
06-15-24, 05:41 PM
Replies: 54
Views: 1,249
Posted By Duragrouch

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

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/538x717/dtmvy_837662455_c86fac050d8ae22e22e60a03f50c2228ffbc5d68.jpg

I think I see what you mean, but gosh that seems like the crimpers would...
Forum: Folding Bikes
06-15-24, 05:31 AM
Replies: 17
Views: 449
Posted By Duragrouch

Thanks. OK, 1X would make sense because not a...

Thanks. OK, 1X would make sense because not a cross near the hub flange. The one cross will still have less preload against each other. What matters for torque transmission is the angle from radial,...
Forum: Folding Bikes
06-15-24, 04:35 AM
Replies: 17
Views: 449
Posted By Duragrouch

I could see that being done. However, doing so...

I could see that being done. However, doing so means that the two spokes that cross about 1/3 of the way between the hub and rim, will not be pressing against each other hard, which is what makes...
Forum: Bicycle Mechanics
06-15-24, 02:26 AM
Replies: 8
Views: 292
Posted By Duragrouch

Yeah I deleted my post once I discovered same as...

Yeah I deleted my post once I discovered same as you, that Formula makes hubs for a lot of folks.

I have a P-38 on my keyring, used to be on my dad's keyring. He went to a retirement party once...
Forum: Touring
06-15-24, 01:39 AM
Replies: 7
Views: 453
Posted By Duragrouch

I agree with above, and will add: Have options; I...

I agree with above, and will add: Have options; I have not yet flown with my folding bike, folded it would be a bit over max girth for checked luggage; I think I would arrive plenty early at the...
Forum: Touring
06-15-24, 12:51 AM
Replies: 73
Views: 5,248
Posted By Duragrouch

Black jacket: Wear a yellow mesh vest with...

Black jacket: Wear a yellow mesh vest with reflective strips, the latter of which can wear out, so it only costs you $10 to replace. Vests which encapsulate the reflective strips in clear plastic,...
Forum: Folding Bikes
06-15-24, 12:01 AM
Replies: 17
Views: 449
Posted By Duragrouch

That's a darned good suggestion. Very satisfying,...

That's a darned good suggestion. Very satisfying, and if you take your time, the build can come out fantastic, all you need to do is take things slow. The only thing on this particular wheelbuild,...
Forum: Road Cycling
06-14-24, 10:13 PM
Replies: 39
Views: 959
Posted By Duragrouch

A good quality used bike is fully depreciated, it...

A good quality used bike is fully depreciated, it shouldn't drop much in value if still compatible with new parts, like rear dropout spacing.

Based on another thread, I think that vintage titanium...
Forum: Folding Bikes
06-14-24, 09:53 PM
Replies: 17
Views: 449
Posted By Duragrouch

There's a bike shop in my town that specializes...

There's a bike shop in my town that specializes in repair services for a IGH hubs (people commonly ship rear wheels there for service), and possibly also wheelbuilding, as they advertise drilling...
Forum: Folding Bikes
06-14-24, 09:28 PM
Replies: 6
Views: 224
Posted By Duragrouch

OP: - How often will you be folding it? This...

OP:
- How often will you be folding it? This speaks to needs of ease and speed of folding.
- How compact folding? Your Brompton is the king in that department, Helix a close second. Typical...
Forum: Bicycle Mechanics
06-14-24, 08:48 PM
Replies: 38
Views: 813
Posted By Duragrouch

(above) I agree with all, and that I don't know...

(above) I agree with all, and that I don't know of any folding bikes with carbon steerers. But, except for competition road racers, folding bikers can get more obsessed than most with weight, as it...
Forum: Mountain Biking
06-14-24, 08:27 PM
Replies: 16
Views: 521
Posted By Duragrouch

Well that's like saying that nothing in the...

Well that's like saying that nothing in the design of race cars, applies to the design of passenger cars and trucks. And yet, Race Car Vehicle Dynamics by Bill and Doug Milliken, is the most widely...
Showing results 1 to 50 of 1000
 
Page 1 of 20
1
2
3
11
Last »


 
Forum Jump

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

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.