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Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
06-05-24, 04:03 AM
Replies: 33
Views: 602
Posted By Duragrouch

OK, thanks. I looked at their profile and it said...

OK, thanks. I looked at their profile and it said US.

If SRAM hadn't bought Sachs and then sold off the IGH business to Sun Race, the OP could probably find someone in Schweinfurt who used to work...
Forum: Folding Bikes
06-05-24, 03:59 AM
Replies: 44
Views: 1,154
Posted By Duragrouch

(above) Pannier hook: Oh, very slick. Yeah,...

(above) Pannier hook: Oh, very slick. Yeah, somebody was thinking. 15kg is plenty for town errands. Not enough for touring, but that's not what it was designed for. But very good as a townie. Mine's...
Forum: Folding Bikes
06-05-24, 03:20 AM
Replies: 14
Views: 322
Posted By Duragrouch

Wow, quite a rendition on the flute. I never...

Wow, quite a rendition on the flute. I never appreciated the accordian when I was young, it was considered a boring old-person's instrument, everything was rock and roll. Now I appreciate it.
...
Forum: Folding Bikes
06-05-24, 01:46 AM
Replies: 44
Views: 1,154
Posted By Duragrouch

(above) You've mentioned that before (and I...

(above) You've mentioned that before (and I definitely don't mind you mentioning it again), it's cool, it rocks, definitely good for a frequent folder. That's a lot of cantilever length, but it looks...
Forum: Folding Bikes
06-05-24, 12:48 AM
Replies: 14
Views: 322
Posted By Duragrouch

Anywhere else I'd say that is weird, the Dash is...

Anywhere else I'd say that is weird, the Dash is more rare (actually I've never seen a Dash or K3 here in the pacific northwest USA), but it's Japan, and I've heard that is THE place for minivelos.
...
Forum: Bicycle Mechanics
06-05-24, 12:28 AM
Replies: 6
Views: 158
Posted By Duragrouch

I had same problem on Dahon Speed 2X conversion,...

I had same problem on Dahon Speed 2X conversion, front derailleur cage would hit on front derailleur adaptor, due to its thickness and huge diameter seat tube, cage not far enough inboard to shift to...
Forum: Bicycle Mechanics
06-05-24, 12:10 AM
Replies: 40
Views: 875
Posted By Duragrouch

I've never owned a truing stand. Not only can you...

I've never owned a truing stand. Not only can you true wheels in the bike frame, you then don't need a dishing gage for proper offset of the rear wheel (assuming a derailleur system), you just center...
Forum: Bicycle Mechanics
06-04-24, 11:54 PM
Replies: 33
Views: 602
Posted By Duragrouch

OP: Do you by chance live near the greater...

OP: Do you by chance live near the greater Seattle area? If so, there is a shop that specializes in Internal Gear Hubs; They can adjust or fix anything on that hub, outside or inside, provided they...
Forum: Bicycle Mechanics
06-04-24, 11:32 PM
Replies: 17
Views: 240
Posted By Duragrouch

I'm a retrogrouch for 5-arm-spider cranks, but...

I'm a retrogrouch for 5-arm-spider cranks, but was willing to go modern with the newer hollow-spindle cranks with external BB bearings, I feel it's a superior system, got rid of the taper spindle BB....
Forum: Folding Bikes
06-04-24, 11:04 PM
Replies: 14
Views: 322
Posted By Duragrouch

I played Trivial Pursuit once. Invited by...

I played Trivial Pursuit once. Invited by friends. I ran the table. But all USA references I think. After that they would tell others, "Never invite him to Trivial Pursuit."

Castle: Aw geez, Asian...
Forum: Folding Bikes
06-04-24, 09:36 PM
Replies: 14
Views: 322
Posted By Duragrouch

Dude, if they every do a game show called Bicycle...

Dude, if they every do a game show called Bicycle Jeopardy, you should get on it. You'd run the table. Or on regular Jeopardy, "And the category is... Small Wheel Bikes."
Forum: Folding Bikes
06-04-24, 08:57 PM
Replies: 14
Views: 322
Posted By Duragrouch

(above) Yeah, misalignment in toe-in/out should...

(above) Yeah, misalignment in toe-in/out should affect both front tires, as they would equalize and you would steer straight but constant side-slip on both. For skinny bike tires, you should be able...
Forum: Folding Bikes
06-04-24, 08:30 PM
Replies: 44
Views: 1,154
Posted By Duragrouch

That's an excellent question, one I wonder about....

That's an excellent question, one I wonder about. Again, I do not know if that is necessary, but for it to benefit, the top point on the triangle (seatstay/seatpost) must be fixed both laterally for...
Forum: Folding Bikes
06-04-24, 07:55 PM
Replies: 44
Views: 1,154
Posted By Duragrouch

Oh I knew when I listed those four types, there...

Oh I knew when I listed those four types, there were a lot more. I just couldn't think of them all. So that was not an inclusive list, I know. I'd just like to find a complete list online, with easy...
Forum: Folding Bikes
06-04-24, 07:50 PM
Replies: 22
Views: 746
Posted By Duragrouch

Oh yeah, true. I think my greater point was, it's...

Oh yeah, true. I think my greater point was, it's the same price as a Mariner, if all get the same discount. The Launch is a better bike. I'd need a better rack than on Mariner, so it coming with one...
Forum: Folding Bikes
06-04-24, 07:39 PM
Replies: 1
Views: 86
Posted By Duragrouch

Thanks for the tip. I took a look, especially at...

Thanks for the tip. I took a look, especially at one folded. I like the no-hinge main beam, and the discs. But it doesn't fold any smaller than my bifold. My next bike will either be just an upgrade...
Forum: Folding Bikes
06-04-24, 07:04 PM
Replies: 22
Views: 746
Posted By Duragrouch

Oh I totally agree, you'da man! About a year ago,...

Oh I totally agree, you'da man! About a year ago, the (superior, IMO) Launch (better hinge, discs, crank and BB), was selling for $150 or $200 less than the Mariner on Dahon's website! I asked the...
Forum: Folding Bikes
06-04-24, 06:33 PM
Replies: 44
Views: 1,154
Posted By Duragrouch

Yeah, a low rear rack close over the rear wheel...

Yeah, a low rear rack close over the rear wheel (like what came with my bike) is most efficient in terms of cargo space, but I had to install a "high" (large wheel bike) rear rack, both to hold...
Forum: Folding Bikes
06-04-24, 06:00 PM
Replies: 10
Views: 338
Posted By Duragrouch

Able to speak with someone over the phone at a...

Able to speak with someone over the phone at a company? ASTONISHING. I haven't bought a Zizzo but I like what I'm hearing. They seem to be *trying harder* to win business.

No quick release...
Forum: Bicycle Mechanics
06-04-24, 04:46 PM
Replies: 40
Views: 9,878
Posted By Duragrouch

I'd be curious for you to throw a straightedge...

I'd be curious for you to throw a straightedge over the flats and hold up to light, tell what you see, if they are flat out to the corners or not. You and Wera may be right, but if so, their...
Forum: Folding Bikes
06-04-24, 04:41 AM
Replies: 44
Views: 1,154
Posted By Duragrouch

I have not yet ridden a Brompton. I think their...

I have not yet ridden a Brompton. I think their forward frame hinge may clamp like the later Dahon (I think Mu) hinge, which stays tight. My bigger concern is on any model with an underswinging rear...
Forum: Folding Bikes
06-04-24, 04:31 AM
Replies: 58
Views: 3,688
Posted By Duragrouch

That video was not the OP, but the one where he...

That video was not the OP, but the one where he learned how the pin removes. The OP sent his frame off to powder coat, and it'll be great to see that. As far as that video, yeah, ton of work. I...
Forum: Touring
06-04-24, 12:07 AM
Replies: 28
Views: 828
Posted By Duragrouch

Oh I know, I saw your "builds" thread. Plus the...

Oh I know, I saw your "builds" thread. Plus the astounding deals you get on parts! I'm guessing total is 1/4 what equal quality would cost for Dahon, a bit larger portion compared to better...
Forum: Folding Bikes
06-03-24, 11:42 PM
Replies: 58
Views: 3,688
Posted By Duragrouch

(above) Thanks, but no sound on video, here or on...

(above) Thanks, but no sound on video, here or on youtube. Says "Better with audio" on screen, tried clicking there, nothing. Commercial at beginning has sound, so not my settings.
Forum: General Cycling Discussion
06-03-24, 10:21 PM
Replies: 44
Views: 842
Posted By Duragrouch

Clean with alcohol, rattlecan flat black. Done. I...

Clean with alcohol, rattlecan flat black. Done. I did it to the NEON green plastic parts (front bridge, forearm rests) on my early Scott clip-on aero bars, which didn't do it for me on my classic red...
Forum: Folding Bikes
06-03-24, 10:10 PM
Replies: 50
Views: 21,250
Posted By Duragrouch

Good to hear. You want some redundancy and safety...

Good to hear. You want some redundancy and safety factor in the design. Several of their hinge designs don't need Deltech as much (although it still reduces bending stress there on both the joint,...
Forum: Folding Bikes
06-03-24, 09:25 PM
Replies: 58
Views: 3,688
Posted By Duragrouch

Sounds great! If you can, please post a link to...

Sounds great! If you can, please post a link to the youtube video. I'm hoping there is a related video for the steel Dahon frame which has a lateral setscrew below the pin to hold it in place, but...
Forum: Bicycle Mechanics
06-03-24, 08:30 PM
Replies: 40
Views: 9,878
Posted By Duragrouch

Thanks. Seems to make sense. But the Wera keys...

Thanks. Seems to make sense. But the Wera keys show relief in middle of flat, but seemingly still go to a sharp 120 degree point; For it to be like flank-drive, I would think the very points of the...
Forum: Bicycle Mechanics
06-03-24, 08:29 PM
Replies: 40
Views: 9,878
Posted By Duragrouch

Thanks. Seems to make sense. But the Wera keys...

Thanks. Seems to make sense. But the Wera keys show relief in middle of flat, but seemingly still go to a sharp 120 degree point; For it to be like flank-drive, I would think the very point of the...
Forum: Folding Bikes
06-03-24, 08:10 PM
Replies: 50
Views: 21,250
Posted By Duragrouch

The frame torsional clunk is very slight, most...

The frame torsional clunk is very slight, most might not notice. First noticed with front brake locked and trying to roll fore/aft, felt just like a loose headset, or handlepost, but nope, traced to...
Forum: Folding Bikes
06-03-24, 07:54 PM
Replies: 22
Views: 746
Posted By Duragrouch

I can't ever remember dropping a chain on my old...

I can't ever remember dropping a chain on my old road with 52/42, and that was the biopace years, which might make it more susceptible.

I suspect that part of the drop with the original cheap...
Forum: Folding Bikes
06-03-24, 07:21 PM
Replies: 50
Views: 21,250
Posted By Duragrouch

Yes, but it must be very low stretch line,...

Yes, but it must be very low stretch line, without being too thick to use there. Nylon is way too stretchy. Dacron (polyester) has 1/3 the stretch, still too much. I had an old but unused piece of...
Forum: General Cycling Discussion
06-03-24, 05:56 PM
Replies: 37
Views: 889
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: 40
Views: 9,878
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: 40
Views: 9,878
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: 44
Views: 1,154
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: 16,474
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: 22
Views: 746
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: 28
Views: 828
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: 7
Views: 772
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: 28
Views: 828
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: 44
Views: 1,154
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: 1,084
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: 22
Views: 746
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: 50
Views: 21,250
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: 22
Views: 746
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: 290
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: 10
Views: 338
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: 102
Views: 5,145
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: 28
Views: 828
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...
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