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Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
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Forum: General Cycling Discussion
06-03-24, 05:56 PM
Replies: 37
Views: 788
Posted By Duragrouch

Truer words were never said. More speed gives...

Truer words were never said. More speed gives more gyroscopic inertia at both wheels, and allows the trail/caster of the front fork to provide more steering centering force.

Interestingly, a good...
Forum: Bicycle Mechanics
06-03-24, 03:21 AM
Replies: 36
Views: 9,640
Posted By Duragrouch

This puzzles me. The photo appears that the...

This puzzles me. The photo appears that the wrench is relieved slightly in the center of the flats, like you said, slightly star shaped.

Snap-On developed sockets that are less likely to strip...
Forum: Bicycle Mechanics
06-03-24, 03:13 AM
Replies: 36
Views: 9,640
Posted By Duragrouch

The smaller diameters winding up at higher...

The smaller diameters winding up at higher torques, is not a function of steel quality as long as they are not permanently yielding; The elasticity of the steel is the same, regardless of hardness...
Forum: Folding Bikes
06-03-24, 01:02 AM
Replies: 29
Views: 777
Posted By Duragrouch

Well I had kinda thought the Bike Friday 20"ers...

Well I had kinda thought the Bike Friday 20"ers were indicative of that, but if there are others with a lot shorter main tube, that may make a difference. I'm just not familiar with enough of them....
Forum: Folding Bikes
06-03-24, 12:11 AM
Replies: 29
Views: 16,433
Posted By Duragrouch

Young folks. :) You don't understand the color...

Young folks. :) You don't understand the color combo. That's the livery of Gulf Oil sponsored race cars, most especially on the Ford GT40 that won LeMans, plus many other championship cars of that...
Forum: Folding Bikes
06-02-24, 11:55 PM
Replies: 17
Views: 595
Posted By Duragrouch

Oh I agree. I just think the traditional racer...

Oh I agree. I just think the traditional racer aesthetic will prefer 2X and smaller cassette. But maybe that is changing fast.

The biggest thing I like about adding an FD, is when it drops the...
Forum: Touring
06-02-24, 11:43 PM
Replies: 26
Views: 650
Posted By Duragrouch

Thanks Ron. Wheels on and meeting 62" would...

Thanks Ron.

Wheels on and meeting 62" would be impressive.

I ran gear calc, only had 37-305 as option, so results a bit low. Assumed 52x11-34: 70.5 - 22.8 gear inches, not bad. 10T = 77.6, 9T =...
Forum: Hybrid Bicycles
06-02-24, 11:31 PM
Replies: 6
Views: 739
Posted By Duragrouch

I LOVE having a fully racked and panniered bike,...

I LOVE having a fully racked and panniered bike, because then I can do errands with it, not just exercise. I have racks and panniers front and rear, plus a trunk bag for tools (I fix others stranded...
Forum: Touring
06-02-24, 11:17 PM
Replies: 26
Views: 650
Posted By Duragrouch

(above) Interesting/ Several questions please: ...

(above) Interesting/ Several questions please:
- That's within 62" max LxWxH, with the wheels on?
- 349 or 305, and what width tires? I want to run the numbers for high gear in gear calc versus...
Forum: Folding Bikes
06-02-24, 11:00 PM
Replies: 29
Views: 777
Posted By Duragrouch

There's a huge bifurcation between folders that...

There's a huge bifurcation between folders that are compact enough to be easily carried and checked on an airline with no oversize charges, and folders that can fit on the train luggage rack and in a...
Forum: Folding Bikes
06-02-24, 10:04 PM
Replies: 11
Views: 1,054
Posted By Duragrouch

Yeah I was wondering about that too. I had...

Yeah I was wondering about that too. I had guessed (I could be way off) that the lettering was not milled out, but instead impressed, by inserting a round die into the unfinished tube, and either...
Forum: Folding Bikes
06-02-24, 09:39 PM
Replies: 17
Views: 595
Posted By Duragrouch

Interesting thought; Maybe their vapor-products...

Interesting thought; Maybe their vapor-products are their equivalent of halo-products. Time will tell. I think this year will be pivotal for them, up or down. Unless they can offer premium products,...
Forum: Folding Bikes
06-02-24, 09:05 PM
Replies: 45
Views: 21,021
Posted By Duragrouch

When OEM Deltech debuted years ago, I wanted to...

When OEM Deltech debuted years ago, I wanted to retrofit mine for it, clear advantage to it. Figured I'd need kevlar loops around head tube and BB shell, with cable and threaded adjustment between, I...
Forum: Folding Bikes
06-02-24, 08:22 PM
Replies: 17
Views: 595
Posted By Duragrouch

I definitely grant your points, but I think they...

I definitely grant your points, but I think they apply more if Dahon needed to design a special performance model for the USA; I just want them to import models they offer elsewhere, and given that...
Forum: Folding Bikes
06-02-24, 08:09 PM
Replies: 10
Views: 269
Posted By Duragrouch

I haven't ridden a Tern GSD but it appears to be...

I haven't ridden a Tern GSD but it appears to be a class act in all regards; Design, parts spec, frame test spec, warranty, etc. Just... sticker shock, expensive. And only the handlebar folds down,...
Forum: Folding Bikes
06-02-24, 07:52 PM
Replies: 8
Views: 275
Posted By Duragrouch

+1. Agreed (as far as Dahon; I haven't dealt with...

+1. Agreed (as far as Dahon; I haven't dealt with Zizzo).

OP: For differences within the brand Zizzo, look for following differences:
- Frame material; Liberte is aluminum, I think some Zizzo may...
Forum: Classic & Vintage
06-02-24, 07:34 PM
Replies: 99
Views: 4,840
Posted By Duragrouch

(above) Love the sizing jig. Love the drafting...

(above) Love the sizing jig. Love the drafting board and machine, that looks identical to what I had in my cubical for many years; The company converted to CAD in the drafting department, they were...
Forum: Touring
06-02-24, 06:48 PM
Replies: 26
Views: 650
Posted By Duragrouch

Grades: Yeah I learned from someone that knows...

Grades: Yeah I learned from someone that knows trains, typical train routes did not exceed 4%, it's really hard to get enough friction for climbing with steel wheels on steel tracks in the rain. So...
Forum: Folding Bikes
06-02-24, 02:07 AM
Replies: 10
Views: 269
Posted By Duragrouch

Depends what you want to do with it, what cargo...

Depends what you want to do with it, what cargo density. The front rack not being steered, is a plus for heavier loads, but still much higher CG than lowrider front rack, but the latter is useless...
Forum: Folding Bikes
06-02-24, 01:32 AM
Replies: 8
Views: 275
Posted By Duragrouch

Bike Fridays were designed as a travel bike, not...

Bike Fridays were designed as a travel bike, not quick folder. But excellent quality.

Bike Fridays were made to order in quite varying custom frame sizes, so you'd need to find one in your size.
...
Forum: Classic & Vintage
06-02-24, 01:25 AM
Replies: 99
Views: 4,840
Posted By Duragrouch

(above) I love hand-drawn catalogs. Used to be...

(above) I love hand-drawn catalogs. Used to be common for small, dedicated supply companies. Camping gear. Guitars. Other specialized stuff.
Forum: Touring
06-02-24, 01:06 AM
Replies: 26
Views: 650
Posted By Duragrouch

(above) Well that convinces me that is not a...

(above) Well that convinces me that is not a trail for a rim-brake bike. I dunno, maybe if rarely using the brakes because no greater than 2% slope plus no sharp turns due to old train line....
Forum: Folding Bikes
06-01-24, 11:51 PM
Replies: 5
Views: 255
Posted By Duragrouch

I'm gonna take a guess that the 4 bearing rear...

I'm gonna take a guess that the 4 bearing rear hub has a freehub body that looks like the following; External (easily serviceable) ratchet, and its own bearings. I'm figuring that the matching hub to...
Forum: Cyclocross and Gravelbiking (Recreational)
06-01-24, 10:51 PM
Replies: 30
Views: 1,199
Posted By Duragrouch

So for a good many years, bikes were getting to...

So for a good many years, bikes were getting to be a better and better value, really great bikes at $500. Then prices started to zoom, and then really zoom during the pandemic. And thus, used bikes...
Forum: General Cycling Discussion
06-01-24, 10:38 PM
Replies: 37
Views: 788
Posted By Duragrouch

Well done! That's a good looking bike. The...

Well done!

That's a good looking bike. The steering may be heavier than a lighter bike, but the other advantages are great; large tires for a cushioned ride, and electric drive to assist you until...
Forum: Touring
06-01-24, 04:41 AM
Replies: 26
Views: 650
Posted By Duragrouch

I must admit I was totally ignorant of the...

I must admit I was totally ignorant of the existance of this trail, although I had moved west before its completion. Looks fantastic. I'd need fenders on my bike with a good flap at the bottom front...
Forum: Bicycle Mechanics
06-01-24, 01:50 AM
Replies: 23
Views: 697
Posted By Duragrouch

That's my thoughts too. It's one thing to...

That's my thoughts too. It's one thing to calculate the needed rear derailleur capacity, that's pretty much the rule before experimenting on the bike. But total chain length has SO many variables,...
Forum: Folding Bikes
06-01-24, 01:20 AM
Replies: 5
Views: 298
Posted By Duragrouch

OP: If brake grab on the rear is too high, and...

OP: If brake grab on the rear is too high, and you have a short-pull lever, put a long-pull (v-brake) lever on it and it will grab less.

I encountered the reverse; My friend has a cheap folder,...
Forum: Folding Bikes
06-01-24, 12:54 AM
Replies: 10
Views: 403
Posted By Duragrouch

Thanks. I had thought about that option. My...

Thanks. I had thought about that option. My bifold 406 is a bit of a pain to fold every day, due to the high lever unlock forces (sufficient to keep things no-wobble) for both frame and handlepost,...
Forum: Folding Bikes
06-01-24, 12:16 AM
Replies: 10
Views: 403
Posted By Duragrouch

Especially so, since my plan would be to buy a...

Especially so, since my plan would be to buy a brompnot and bring in the room each night with me. And, come to think of it, that would also be very easy to fold and put into the tent for touring...
Forum: Folding Bikes
06-01-24, 12:02 AM
Replies: 5
Views: 255
Posted By Duragrouch

I may have seen the identical wheelset the other...

I may have seen the identical wheelset the other day, tempting price, and I need new rims. But would be best to upgrade to discs.

Question, if you know? I see in set online now, options for 74 or...
Forum: Folding Bikes
05-31-24, 11:13 PM
Replies: 10
Views: 403
Posted By Duragrouch

That graffiti is not too bad. If you see more...

That graffiti is not too bad. If you see more along the lines of "tagging", watch out for the bike. Homeless camps also extend far out from city centers. I saw late last summer, someone from a...
Forum: Advocacy & Safety
05-31-24, 10:36 PM
Replies: 49
Views: 1,784
Posted By Duragrouch

Got it. Uh, I think a vehicle that was short...

Got it. Uh, I think a vehicle that was short enough to make it past the curve, could make it over the rise. But if the chicane were tight enough to stop vehicles, the rise is then unnecessary. I've...
Forum: General Cycling Discussion
05-31-24, 10:10 PM
Replies: 37
Views: 1,076
Posted By Duragrouch

Put a bike on a repair stand by the top tube with...

Put a bike on a repair stand by the top tube with wheels off the ground. Rotate the front wheel forward as fast as you can. Try to turn the handlebars. This will tell you how much force is involved....
Forum: General Cycling Discussion
05-31-24, 09:49 PM
Replies: 37
Views: 788
Posted By Duragrouch

I empathize greatly with your emotional health...

I empathize greatly with your emotional health issues. I've had severe anxiety. I hope any of the following helps:

Tons of people give away stationary exercise equipment when no longer used. I got...
Forum: General Cycling Discussion
05-31-24, 06:55 PM
Replies: 25
Views: 834
Posted By Duragrouch

Man these sound bad. While serious breakage, my...

Man these sound bad. While serious breakage, my experience in the past had been relatively quick bone healing, it was damage to other things like damage to ligaments or tendons in knee or shoulder...
Forum: General Cycling Discussion
05-31-24, 06:42 PM
Replies: 38
Views: 961
Posted By Duragrouch

When they are on super-markdown like nice medium...

When they are on super-markdown like nice medium weight stretch bike pants for $12 (at a place that used to have great deals but no longer), buy 5. I checked comments first, said they ran small to...
Forum: General Cycling Discussion
05-31-24, 06:29 PM
Replies: 38
Views: 961
Posted By Duragrouch

+1. Been doing that for years, saves a LOT of...

+1. Been doing that for years, saves a LOT of energy, makes clothes last longer, most especially jeans as they shed a lot of lint in tumble drying, and they are the worst in clothing for shrinkage....
Forum: Folding Bikes
05-31-24, 04:14 AM
Replies: 10
Views: 403
Posted By Duragrouch

Looks great. Nice hybrid setup of both...

Looks great. Nice hybrid setup of both bikepacking and panniers. Encouraging to me as I'd like to tour on my 20".

What do you do with regard to bike security at night? My guess is that tent is not...
Forum: General Cycling Discussion
05-31-24, 03:28 AM
Replies: 39
Views: 1,181
Posted By Duragrouch

You may have something there. I first considered...

You may have something there. I first considered that and then dismissed it. But thinking now... A low hitch at same height as wheel center, one wheel goes up, would rotate laterally about that hitch...
Forum: Advocacy & Safety
05-31-24, 03:10 AM
Replies: 49
Views: 1,784
Posted By Duragrouch

I'm trying to picture what you mean, but I think...

I'm trying to picture what you mean, but I think the general direction is good.

I'd do a course of concrete stairs spanning the width of the MUP, 45 degree/100% incline and decline, 3' high, with...
Forum: General Cycling Discussion
05-31-24, 02:45 AM
Replies: 37
Views: 788
Posted By Duragrouch

My dad started me out in youth with a 26" wheel...

My dad started me out in youth with a 26" wheel bike with training wheels, but those wheels not on the ground like most people rigged, but up perhaps an inch to stabilize the bike when tilted, but...
Forum: Folding Bikes
05-30-24, 04:45 AM
Replies: 51
Views: 2,351
Posted By Duragrouch

Thanks Ron. 3" C-2-C between the holes, that...

Thanks Ron. 3" C-2-C between the holes, that would do it, in that respect. The highest Profile Design riser (that they said wouldn't fit my bars) is 70mm. 3" is just over 76mm, that would be great.
...
Forum: Folding Bikes
05-30-24, 02:56 AM
Replies: 51
Views: 2,351
Posted By Duragrouch

Thanks. Those look just a touch different in...

Thanks. Those look just a touch different in design from yours, but still look strong. I found ones like on your bike after searching on amazon for "double stem" instead of "double clamp" like I had...
Forum: Folding Bikes
05-30-24, 02:45 AM
Replies: 43
Views: 2,056
Posted By Duragrouch

It really makes my day when folks on here can be...

It really makes my day when folks on here can be helpful.

Someone else on the forum years back, and me in the past year, couldn't find a replacement fork (20", 74mm OLD) online to save my life. I...
Forum: Folding Bikes
05-30-24, 02:25 AM
Replies: 43
Views: 2,056
Posted By Duragrouch

Yep, the newer fork measures a couple less than...

Yep, the newer fork measures a couple less than 110mm by eye, and about 8mm longer for the old fork sounds just about right. Fortunately, both forks are fine, and I'll keep them with their respective...
Forum: Cyclocross and Gravelbiking (Recreational)
05-30-24, 01:36 AM
Replies: 30
Views: 1,199
Posted By Duragrouch

The most important expenses on a building are the...

The most important expenses on a building are the foundation, and basic structure. I'm thinking at that price, the frame is junky steel? Or just oversize aluminum, which is now ubiquitous everywhere....
Forum: General Cycling Discussion
05-30-24, 01:13 AM
Replies: 39
Views: 1,181
Posted By Duragrouch

It's not the wheel size per se, but that the load...

It's not the wheel size per se, but that the load is all above wheel center at that height. Smaller wheels would lower the CG with respect to track (width between tire centers). My guess is they use...
Forum: Folding Bikes
05-30-24, 12:42 AM
Replies: 43
Views: 2,056
Posted By Duragrouch

Stepped: I thought that big washer might have a...

Stepped: I thought that big washer might have a conical profile on the other side, but yes, the rings do that so it must just be a big flat washer.

Stem extender: I think I know the thread you are...
Forum: General Cycling Discussion
05-30-24, 12:27 AM
Replies: 32
Views: 826
Posted By Duragrouch

(above) Oh no question, agreed. On foot or bike...

(above) Oh no question, agreed. On foot or bike can only treat more minor things, in which case, time is less critical too. I think perhaps the greatest use of foot or bike in a large crowd/venue, is...
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