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Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
06-06-24, 04:24 AM
Replies: 29
Views: 1,089
Posted By Duragrouch

This is an area that I never trust the...

This is an area that I never trust the manufacturer, and the bike shops don't have the time to check this on every bike they sell. Even if brand new bike, first thing I do is open up the bearings...
Forum: Bicycle Mechanics
06-06-24, 03:59 AM
Replies: 6
Views: 216
Posted By Duragrouch

Yes, chain should be lubed periodically, my clue...

Yes, chain should be lubed periodically, my clue is when the lube oil becomes pasty from suspended metal dust in it. However if you want a cleaner lube, there are tomes of data and threads on here...
Forum: Bicycle Mechanics
06-06-24, 03:44 AM
Replies: 5
Views: 94
Posted By Duragrouch

I'll be damned. That is slick. Good MacGyver. ...

I'll be damned. That is slick. Good MacGyver.

I had that experience, replacing the junk bearings and wheels on a good piece of carryon luggage (roller), with quality inline skate wheels and...
Forum: Bicycle Mechanics
06-06-24, 03:23 AM
Replies: 15
Views: 299
Posted By Duragrouch

Intermittent problem, not continuous. Hmm. ...

Intermittent problem, not continuous. Hmm.

If none of the above, check for excessive lateral play of freehub body, by trying to wiggle largest cog laterally. A small amount of play is normal. Also...
Forum: Bicycle Mechanics
06-06-24, 03:00 AM
Replies: 12
Views: 263
Posted By Duragrouch

Spacers: Curiously, when I decided to space my BB...

Spacers: Curiously, when I decided to space my BB out 4mm, I had some spacers I had bought once to space the cassette out (decided against, due to greatly reduced lockring thread depth), and I'll be...
Forum: Folding Bikes
06-06-24, 02:29 AM
Replies: 1
Views: 117
Posted By Duragrouch

I don't know Schwinns, but sounds rare. I don't...

I don't know Schwinns, but sounds rare. I don't see where (if) the frame folds. I see big levers to allow easy lowering of seat, and I think inversion or removal of handlebars, so greatly reduced...
Forum: Folding Bikes
06-06-24, 02:18 AM
Replies: 5
Views: 169
Posted By Duragrouch

I agree with above. At first I thought they were...

I agree with above. At first I thought they were "gray market" Dahons imported from another country, sometimes the same model name as in USA but lower level frame and parts, so it can get confusing....
Forum: Folding Bikes
06-06-24, 01:41 AM
Replies: 1
Views: 102
Posted By Duragrouch

Some Dahon telescoping handleposts were subject...

Some Dahon telescoping handleposts were subject to a recall. You should check online, there are clues for that in terms of serial number and looking for a letter on the post when unfolded. Warning:...
Forum: Folding Bikes
06-06-24, 01:27 AM
Replies: 3
Views: 113
Posted By Duragrouch

I topped out my bike computer at 65 kph (about 40...

I topped out my bike computer at 65 kph (about 40 mph) on a mild downgrade pedaling hard on the aeros of my 700c racer in top gear decades ago. I've only recently learned about speed wobble, but I...
Forum: Folding Bikes
06-06-24, 01:08 AM
Replies: 4
Views: 100
Posted By Duragrouch

I agree with above. Regarding tubes, with 1.75,...

I agree with above. Regarding tubes, with 1.75, you usually have a choice of 1.5-1.75 and 1.75-2.0, I choose the latter, the tube is stretching a bit less when inflated, I think a bit better for...
Forum: Folding Bikes
06-06-24, 12:50 AM
Replies: 23
Views: 1,564
Posted By Duragrouch

Schwinnsta posted the following link on another...

Schwinnsta posted the following link on another thread, an example of touring on a Brompton:

https://www.clevercycles.com/blogs/news-and-events/down-the-pacific-coast-by-brompton/
Forum: Folding Bikes
06-06-24, 12:29 AM
Replies: 47
Views: 1,240
Posted By Duragrouch

Yeah, swinging triangles that "latch" up top, I...

Yeah, swinging triangles that "latch" up top, I think would be fixed lateral, but perhaps not in moment, but that only would matter if analyzing the seatstays; For purposes of the triangle lateral...
Forum: Bicycle Mechanics
06-05-24, 10:59 PM
Replies: 20
Views: 304
Posted By Duragrouch

You may be correct. I don't know: Crowd, do they...

You may be correct. I don't know: Crowd, do they make adaptors to convert press-fit to threaded BB, and is there still space then to use a 24mm(?) hollow-spindle crank with external bearings?
...
Forum: Bicycle Mechanics
06-05-24, 10:53 PM
Replies: 34
Views: 704
Posted By Duragrouch

The world of bike options is now open to you at...

The world of bike options is now open to you at your feet. If you frequently travel between home countries, it's much easier to have a bike at each location. But if travel is less frequent, or...
Forum: Bicycle Mechanics
06-05-24, 10:17 PM
Replies: 45
Views: 9,967
Posted By Duragrouch

Sometimes if something seems stuck, especially a...

Sometimes if something seems stuck, especially a small size, before applying a lot of torque, I'll see if one of my english (SAE) size wrenches fits tighter.



Loctite red is notorious for...
Forum: Northeast
06-05-24, 09:45 PM
Replies: 81
Views: 3,698
Posted By Duragrouch

I know, it's a zombie thread (16+ years, a new...

I know, it's a zombie thread (16+ years, a new record?! And it took that long to get implemented, and now not), but totally on point, so why create an entirely new thread for people to say the same...
Forum: Living Car Free
06-05-24, 09:39 PM
Replies: 28
Views: 3,257
Posted By Duragrouch

Uh... no; congestion pricing plan paused: ...

Uh... no; congestion pricing plan paused:

https://www.pbs.org/newshour/nation/new-york-pauses-plan-to-charge-big-tolls-to-drive-into-core-of-manhattan
Forum: Bicycle Mechanics
06-05-24, 04:03 AM
Replies: 34
Views: 704
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: 47
Views: 1,240
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: 359
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: 47
Views: 1,240
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: 359
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: 12
Views: 263
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: 41
Views: 935
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: 34
Views: 704
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: 20
Views: 304
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: 359
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: 359
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: 359
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: 47
Views: 1,240
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: 47
Views: 1,240
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: 754
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: 102
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: 754
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: 47
Views: 1,240
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: 345
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: 45
Views: 9,967
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: 47
Views: 1,240
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: 3,698
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: 860
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: 3,698
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: 56
Views: 1,170
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: 21,287
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: 3,698
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: 45
Views: 9,967
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: 45
Views: 9,967
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: 21,287
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: 754
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: 21,287
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: 908
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...
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