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Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
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Forum: Classic & Vintage
09-20-24, 04:53 AM
Replies: 11
Views: 247
Posted By Duragrouch

Then, yes. Now... "Where's the distributor?" ...

Then, yes. Now...
"Where's the distributor?"
"What's a distributor?"
Forum: Folding Bikes
09-20-24, 04:22 AM
Replies: 3
Views: 166
Posted By Duragrouch

Bromptons have weird rear dropout spacing...

Bromptons have weird rear dropout spacing (O.L.D.), you can't just drop in any IGH, they get theirs made custom. An shop in Scotland makes rear triangles for 349 Bromptons in widths to accommodate...
Forum: Classic & Vintage
09-20-24, 02:40 AM
Replies: 11
Views: 247
Posted By Duragrouch

As someone said before I could, Sheldon Brown has...

As someone said before I could, Sheldon Brown has an excellent article on this exact subject.

I can understand this question coming up in Classic & Vintage, but myself, a true retrogrouch, having...
Forum: Bicycle Mechanics
09-20-24, 02:24 AM
Replies: 3
Views: 89
Posted By Duragrouch

Pencil style pressure gauges are inherently a bit...

Pencil style pressure gauges are inherently a bit less accurate, due to the friction of the sliding scale.

I have decades-old dial style gauges for schrader (metal, made in USA, I think "Acme"),...
Forum: Folding Bikes
09-20-24, 02:11 AM
Replies: 375
Views: 16,669
Posted By Duragrouch

For these trifolds? I don't recall. But I DO...

For these trifolds? I don't recall. But I DO recall you warning against a bike like the Dahon Curl D9, which has a single-blade fork so perhaps a special cantilevered front hub, or at the very least,...
Forum: General Cycling Discussion
09-20-24, 02:03 AM
Replies: 33
Views: 585
Posted By Duragrouch

I always carried a chain tool with other tools in...

I always carried a chain tool with other tools in the trunk bag. Tried to lighten my load, took the chain tool out. Three days later, ran into someone on the bike trail with a broken chain and I...
Forum: Road Cycling
09-19-24, 11:05 PM
Replies: 47
Views: 782
Posted By Duragrouch

2-piece hollow spindle ("Hollowtech 2 style")...

2-piece hollow spindle ("Hollowtech 2 style") cranks with external bearings. Versus square-taper cartridges and cranks:
+ Larger bearings are smoother and more durable
+ Larger spread between the...
Forum: Folding Bikes
09-19-24, 10:16 PM
Replies: 9
Views: 340
Posted By Duragrouch

I think it was Zora Arkus-Duntov who said, "Oval...

I think it was Zora Arkus-Duntov who said, "Oval track (auto) racing is like playing a violin with only one string. But you must be virtuoso with that one string."
Forum: Folding Bikes
09-19-24, 10:10 PM
Replies: 375
Views: 16,669
Posted By Duragrouch

Really?! Oh for crying out loud, they went 10mm...

Really?! Oh for crying out loud, they went 10mm narrower, even with discs?... I suppose having a rear cassette disc hub tooled up for 120mm is not too big a lift, but replacement parts may be more...
Forum: Touring
09-19-24, 09:24 PM
Replies: 80
Views: 2,141
Posted By Duragrouch

I have and love rectagular dome tents,...

I have and love rectagular dome tents, freestanding, basically that Big Agnes but lacking the vestibule and just fly overhanging eaves on both window sides; I tried full vestibules and they...
Forum: Bicycle Mechanics
09-19-24, 08:49 PM
Replies: 67
Views: 1,858
Posted By Duragrouch

I would suggest that if someone is ignorant, they...

I would suggest that if someone is ignorant, they don't know things can be better or how to make that happen.

It's like, in the '80s and prior, driving an american car with a stick shift and...
Forum: Folding Bikes
09-19-24, 01:56 AM
Replies: 5
Views: 262
Posted By Duragrouch

That weird tubing section has poor torsional...

That weird tubing section has poor torsional strength, due to the pinched channels on each side top and bottom. My guess is, it's from an application that had some sort of components that slid in the...
Forum: Folding Bikes
09-19-24, 01:15 AM
Replies: 9
Views: 340
Posted By Duragrouch

2X hollowtech 2 style cranks come commonly in...

2X hollowtech 2 style cranks come commonly in 50/34 teeth and 52/36. I prefer 50/34 in 5x110 BCD but 4 arm cranks are more common these days. 50/34 x 11-30 will give you about 22-88 gear inches, a...
Forum: Touring
09-19-24, 12:39 AM
Replies: 80
Views: 2,141
Posted By Duragrouch

That's a mighty stout looking tent for bike...

That's a mighty stout looking tent for bike touring. Looks similar or is a North Face VE-25. But warm, windworthy, and snowloadworthy. But on the heavy side for bike touring.
Forum: Bicycle Mechanics
09-19-24, 12:19 AM
Replies: 67
Views: 1,858
Posted By Duragrouch

I empathized with the OP, as my original folder...

I empathized with the OP, as my original folder setup with 1X would drop the chain, not every day, but often enough it was a pain and messy to put back on. I suspect a combination of short chainstays...
Forum: Folding Bikes
09-18-24, 11:59 PM
Replies: 375
Views: 16,669
Posted By Duragrouch

Attaching a rack without braze-ons is easy, you...

Attaching a rack without braze-ons is easy, you just use rubber covered stainless steel P-clamps, at least at the front seatstays. Assuming it has eyelets at the dropouts for fenders, that handles...
Forum: Folding Bikes
09-18-24, 06:00 AM
Replies: 34
Views: 4,406
Posted By Duragrouch

Jipe probably knows more, but my guess is a) more...

Jipe probably knows more, but my guess is a) more modern looking fork blades, plus thru axle, though that is only needed for the disc brakes, b) different rear dropouts I think, I don't know if like...
Forum: Folding Bikes
09-18-24, 04:18 AM
Replies: 375
Views: 16,669
Posted By Duragrouch

I agree. But *why* are bifolds so much cheaper?...

I agree. But *why* are bifolds so much cheaper? My only guess is that the swinging rear triangle is more costly, but that much more costly than a mid-frame hinge that requires just as much precision...
Forum: Touring
09-18-24, 12:11 AM
Replies: 80
Views: 2,141
Posted By Duragrouch

You won't find a believer in "american...

You won't find a believer in "american exceptionalism" here. My causes are a) Haven't been in the market for a new bike in 35 years, so my ear is not to the ground on the industry, b) In recent...
Forum: Folding Bikes
09-17-24, 11:45 PM
Replies: 375
Views: 16,669
Posted By Duragrouch

Yeah but I don't know if that is because easier...

Yeah but I don't know if that is because easier to fold than a tri-fold (though bulkier), or less expensive to manufacture, and lower price?

The tiny span of time, like a day or two, that a 349...
Forum: Touring
09-17-24, 11:30 PM
Replies: 80
Views: 2,141
Posted By Duragrouch

Well Surly is up-market. I thought they were like...

Well Surly is up-market. I thought they were like Bike Friday, made here. But then so is Cannondale, and they outsourced for max profits. I also somehow thought Surly was based in Oregon, but no,...
Forum: Touring
09-17-24, 11:18 PM
Replies: 80
Views: 2,141
Posted By Duragrouch

True. Plus, I realized the ADV1.1 may not fit the...

True. Plus, I realized the ADV1.1 may not fit the fat tires you favor, it comes with 37s.
Forum: Touring
09-17-24, 11:16 PM
Replies: 80
Views: 2,141
Posted By Duragrouch

Oh I know, I looked up Surlys and was surprised...

Oh I know, I looked up Surlys and was surprised they were made in Asia. My old Cannondale was USA.
Forum: Folding Bikes
09-17-24, 11:01 PM
Replies: 375
Views: 16,669
Posted By Duragrouch

Ah, very good knowledge, thank you. This info is...

Ah, very good knowledge, thank you. This info is super important, if I tour on a 20".

So I thought, except for flights, you could still fold a trifold with a taller rack, the rack would just stick...
Forum: Touring
09-17-24, 10:44 PM
Replies: 155
Views: 5,427
Posted By Duragrouch

I don't have the space or I would be tempted too,...

I don't have the space or I would be tempted too, bikes like that are going to be much more scarce new and if so, a lot more expensive. But I'm also sold on folding bikes, especially for touring, and...
Forum: Advocacy & Safety
09-17-24, 10:34 PM
Replies: 69
Views: 3,473
Posted By Duragrouch

The person in question drove a Dodge Charger SRT...

The person in question drove a Dodge Charger SRT Hellcat Widebody Jailbreak (actual model name) with factory exhaust "modified", I think 700-800 hp, and video'ed himself driving 107 mph through...
Forum: Folding Bikes
09-17-24, 09:40 PM
Replies: 34
Views: 4,406
Posted By Duragrouch

Yeah, me too. Just the two 20" clones that...

Yeah, me too. Just the two 20" clones that ChiapasFixed bought for the family tour, I think those two have different reach and I think main frame length. I don't have a 16" Brompton or clone, but do...
Forum: Folding Bikes
09-17-24, 08:37 PM
Replies: 34
Views: 4,406
Posted By Duragrouch

SIncere thanks! Hmm, I wonder then why they...

SIncere thanks! Hmm, I wonder then why they didn't use Alfine 11, which has 408% range (over 400%, the magic number IMO), versus (I think) 306% for the 8 speed? Especially for a 20"/406 wheel which...
Forum: Folding Bikes
09-17-24, 02:10 AM
Replies: 34
Views: 4,406
Posted By Duragrouch

(above) Notably, it comes with Alfine 8, not...

(above) Notably, it comes with Alfine 8, not Alfine 11, my bet is because 11 uses roller clutches, versus 8 using more conventional pawl ratchets which don't slip. The 20" brompnot clones use...
Forum: Touring
09-17-24, 01:16 AM
Replies: 80
Views: 2,141
Posted By Duragrouch

From another thread: I just looked up...

From another thread:



I just looked up the REI ADV1.1, it's currently 40% off at $1019, with good looking front and rear racks, bar end shifters for reliability far away from home, Deore triple...
Forum: Touring
09-17-24, 01:08 AM
Replies: 155
Views: 5,427
Posted By Duragrouch

I just looked up the REI ADV1.1, it's currently...

I just looked up the REI ADV1.1, it's currently 40% off at $1019, with good looking front and rear racks, bar end shifters for reliability far away from home, Deore triple and hydraulic discs. That's...
Forum: Advocacy & Safety
09-17-24, 12:22 AM
Replies: 32
Views: 1,527
Posted By Duragrouch

As I've said, I'm on-board with the video....

As I've said, I'm on-board with the video. However... it occurs to me the USA roads are also in deferrance to other large tucks. Like huge moving vans that pull up to suburban houses. Trucks that...
Forum: Electric Bikes
09-17-24, 12:09 AM
Replies: 40
Views: 5,223
Posted By Duragrouch

That's a good deal. I saw one in town with the...

That's a good deal. I saw one in town with the extra/big battery, delivery guy, I think his had a fenced platform on the rear rack.

Fortunately I do not yet need electric. Because I need a folder,...
Forum: Folding Bikes
09-16-24, 11:52 PM
Replies: 375
Views: 16,669
Posted By Duragrouch

Gosh it warms my heart, seeing a bike very...

Gosh it warms my heart, seeing a bike very similar to my own, doing a tour like that.

Your tour has been an excellent sampling of good folders. The only question in my mind now, is by the end of...
Forum: Bicycle Mechanics
09-16-24, 11:25 PM
Replies: 38
Views: 1,323
Posted By Duragrouch

(above) Brandt... yeah. The surprising thing...

(above) Brandt... yeah. The surprising thing about some of the things he said was that he was a mechanical engineer so basic physics should have told him different. Like his not understanding how...
Forum: Folding Bikes
09-16-24, 10:38 PM
Replies: 15
Views: 465
Posted By Duragrouch

In the printed specs that you pasted, yes. But in...

In the printed specs that you pasted, yes. But in your first post in the second sentence you mistyped 26". Which perked up my ears! I've been waiting for folders to come from the factory with a lower...
Forum: Touring
09-16-24, 07:24 AM
Replies: 80
Views: 2,141
Posted By Duragrouch

Aw man? You're right, I looked deeper on Surly's...

Aw man? You're right, I looked deeper on Surly's website. I thought they were made in Minnesota.
Forum: Folding Bikes
09-16-24, 05:09 AM
Replies: 6
Views: 337
Posted By Duragrouch

The Mariner has been a very popular bike, a...

The Mariner has been a very popular bike, a slight upgrade from the steel frame Dahon Speed, the Mariner frame is aluminum. The problem is, the price on a Mariner DOUBLED over the pandemic, so at...
Forum: Folding Bikes
09-16-24, 04:52 AM
Replies: 5
Views: 262
Posted By Duragrouch

I just noticed: Can't see supension pivot for...

I just noticed: Can't see supension pivot for rear triangle; Either aft of the bottom bracket, or centered around it.

Crank is unusual.
Forum: Folding Bikes
09-16-24, 04:34 AM
Replies: 15
Views: 465
Posted By Duragrouch

I know that problem is old by now, but if you...

I know that problem is old by now, but if you look close, just in front of the hinge on the bottom, you'll see an additional thickness of metal gusset, like Dahons use on their aluminum frames there....
Forum: Folding Bikes
09-16-24, 04:30 AM
Replies: 15
Views: 465
Posted By Duragrouch

Correction: 36" - 72" gear inches. 26" sounded...

Correction: 36" - 72" gear inches. 26" sounded really good to me, not far from what I need. But no. And 72" must be with the 12-32, not 11-32, because it has a 52 crank, and my 50x11 by 406/1.75"...
Forum: Advocacy & Safety
09-16-24, 04:19 AM
Replies: 69
Views: 3,473
Posted By Duragrouch

That's what I said, exactly. But the impaired...

That's what I said, exactly. But the impaired and/or aggressive driver didn't interpret it that way, in fact he even said so.

The person I had experience with in the past, never drove drunk, never...
Forum: Folding Bikes
09-16-24, 03:15 AM
Replies: 5
Views: 262
Posted By Duragrouch

The tube sections look really odd for the...

The tube sections look really odd for the application, like they were from a different application. At first it looks like channels for the cables to sit in, but then it looks like an oval hole for...
Forum: Folding Bikes
09-16-24, 02:52 AM
Replies: 9
Views: 340
Posted By Duragrouch

Looks like a great deal! Two things to...

Looks like a great deal!

Two things to check: Tires and brake pads have not aged too much. If brake pads grip and don't make grinding sounds (galling), should be good. Tires, check for wet...
Forum: Folding Bikes
09-16-24, 02:18 AM
Replies: 375
Views: 16,669
Posted By Duragrouch

(above) Well that sucks, but fortunately at the...

(above) Well that sucks, but fortunately at the end of your trip, and in a location with excellent bike service.

I wouldn't be surprised if the hubs were low on grease from the start; My...
Forum: General Cycling Discussion
09-16-24, 02:13 AM
Replies: 5
Views: 327
Posted By Duragrouch

1000 km is a little fast for a new chain to be...

1000 km is a little fast for a new chain to be getting a lot of stretch. Either lube is poor, or environment is poor (sand/mud/grit), or your loads are high (lots of climbing standing, or it's an...
Forum: Bicycle Mechanics
09-16-24, 01:36 AM
Replies: 38
Views: 1,323
Posted By Duragrouch

Now that you mention it, I think I vaguely recall...

Now that you mention it, I think I vaguely recall mention in school of susceptibility of titanium to cold welding in a vacuum, and this could be a problem on spacecraft and satellites.
Forum: Advocacy & Safety
09-16-24, 01:00 AM
Replies: 32
Views: 1,527
Posted By Duragrouch

In my city, fortunately, EMS response is free,...

In my city, fortunately, EMS response is free, paid for by tax dollars, which is great, because when your friend is catatonic from dangerous low blood sugar, you don't need to worry about a bill for...
Forum: Touring
09-16-24, 12:23 AM
Replies: 80
Views: 2,141
Posted By Duragrouch

Sounds like same as USA, which makes sense, as...

Sounds like same as USA, which makes sense, as they are made in USA. Not cheap, but also not high compared to prices I see now for Cannondale road bikes of equal (mid) market position as my old...
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