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Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
05-24-24, 07:25 AM
Replies: 47
Views: 693
Posted By Duragrouch

I'm just gonna step back and put on helmet,...

I'm just gonna step back and put on helmet, ballistic vest, athletic cup, and dive for the blast shelter on that one. You'll see.
Forum: Bicycle Mechanics
05-24-24, 06:54 AM
Replies: 47
Views: 693
Posted By Duragrouch

None at all. But if greased at the seapost collar...

None at all. But if greased at the seapost collar or seat tube, when folded, the seatpost goes way down, contacting the grease, then up, then down, then up, etc. Very quickly I think, it will have a...
Forum: Folding Bikes
05-24-24, 04:48 AM
Replies: 41
Views: 3,156
Posted By Duragrouch

(above) Good looking repair! Thanks for the...

(above) Good looking repair! Thanks for the useful info!

Good price on the pin. Hard! Excellent choice, I'll have to remember that. EDIT: Uh, I hate to be the fly in the ointment on this, but the...
Forum: Classic & Vintage
05-23-24, 11:41 PM
Replies: 95
Views: 3,178
Posted By Duragrouch

Just read the long Eroica Japan thread. Any of...

Just read the long Eroica Japan thread. Any of the above bikes would qualify for any of the Eroica rides worldwide, even the Trek. (up thru 1987) The Eroica California is 22 SEP 2024 in Cambria on...
Forum: Classic & Vintage
05-23-24, 11:29 PM
Replies: 95
Views: 3,178
Posted By Duragrouch

RD definitely off, wrapped in sheet urethane...

RD definitely off, wrapped in sheet urethane foam, and taped to right chainstay. Rear dropouts, they make plastic things to go in there, but you could also use an old axle and quick release. Front...
Forum: General Cycling Discussion
05-23-24, 10:44 PM
Replies: 54
Views: 1,443
Posted By Duragrouch

Why go just a 12 or 13 tooth jump on the crank?...

Why go just a 12 or 13 tooth jump on the crank? 16T is the defacto standard now and shifts well, 50/34 is very common, as well as 52/36. Both are common on a 110mm BCD. Smaller than 34 and you'll...
Forum: Classic & Vintage
05-23-24, 10:36 PM
Replies: 88
Views: 3,510
Posted By Duragrouch

I'm not a frame builder, but retired from...

I'm not a frame builder, but retired from structural engineering. I'd be very questioning of this, but the 2022 date is recent enough, my bet is it's been FEA'd out to be sound. Doesn't look that...
Forum: Classic & Vintage
05-23-24, 10:26 PM
Replies: 88
Views: 3,510
Posted By Duragrouch

Why? I've heard that mini-velos are super hot in...

Why? I've heard that mini-velos are super hot in Japan, more agile in traffic and a bit more compact in parking space and into a car hatch, though still not as small as a folder. But some ride them...
Forum: Classic & Vintage
05-23-24, 09:44 PM
Replies: 88
Views: 3,510
Posted By Duragrouch

Does the Japanese flag mean Karate? Does the...

Does the Japanese flag mean Karate? Does the Yin-Yang mean Taekwondo?
Forum: Classic & Vintage
05-23-24, 08:27 PM
Replies: 88
Views: 3,510
Posted By Duragrouch

Food: Looks like miso soup and chirashi(?) bowl....

Food: Looks like miso soup and chirashi(?) bowl. Delish!

I'd LOVE an otter cafe!

Bullet train: *sigh-envy* I didn't even know about the mag-lev, that's awesome.

Mt Fuji: (Me showing pic of...
Forum: General Cycling Discussion
05-23-24, 04:29 AM
Replies: 32
Views: 611
Posted By Duragrouch

The Bike Friday travel bike, which is sold solo...

The Bike Friday travel bike, which is sold solo or with a travel suitcase for it that converts to a two wheel trailer at destination, uses a trailer connector which is a male quick-disconnect...
Forum: General Cycling Discussion
05-23-24, 03:32 AM
Replies: 38
Views: 1,159
Posted By Duragrouch

Small thing, just for clarity. Most cars have...

Small thing, just for clarity. Most cars have simply "suspension", or more accurately "passive suspension". "Active" suspension is where the engine or an electric motor drive a hydraulic pump that...
Forum: Bicycle Mechanics
05-23-24, 01:25 AM
Replies: 12
Views: 225
Posted By Duragrouch

+1. This is starting to make a whole lot more...

+1. This is starting to make a whole lot more sense to me now, both carrier, and difference between mountain and road.
Forum: Touring
05-23-24, 12:31 AM
Replies: 26
Views: 395
Posted By Duragrouch

Have you seen Platoon (1986)?

Have you seen Platoon (1986)?
Forum: Bicycle Mechanics
05-23-24, 12:09 AM
Replies: 12
Views: 225
Posted By Duragrouch

Years ago I was going to space my 7 speed...

Years ago I was going to space my 7 speed cassette out, to reduce the gap between the small cog and the frame just a bit, because the chain would drop in there and jam tight. But the spacer reduced...
Forum: Classic & Vintage
05-22-24, 11:42 PM
Replies: 95
Views: 3,178
Posted By Duragrouch

I know nothing about C&V nor prices. I agree...

I know nothing about C&V nor prices.

I agree that the frame size on the Trek 620 has less of a market, but for the right sized person, I think that would be a fine functional touring bike (forget...
Forum: Bicycle Mechanics
05-22-24, 11:06 PM
Replies: 12
Views: 225
Posted By Duragrouch

Y'know, that's a really good point which I had...

Y'know, that's a really good point which I had not realized before. I had thought the large aluminum carriers to which the large cogs on big 1X cassettes, and especially with skinny 11/12/13 cogs are...
Forum: General Cycling Discussion
05-22-24, 10:30 PM
Replies: 54
Views: 1,443
Posted By Duragrouch

Based on advice in bike magazines, I've been a...

Based on advice in bike magazines, I've been a "spinner" since I got my first good road bike, stayed on the small (42) chainring for years. These days I have more specific advice, and more helpful...
Forum: Touring
05-22-24, 10:17 PM
Replies: 8
Views: 228
Posted By Duragrouch

Climbs can be interesting and that elevation is...

Climbs can be interesting and that elevation is not terrible. But the trailer is the dealbreaker; First, it adds a lot of weight to the climb. Second, it adds a lot of weight going down, and it and...
Forum: General Cycling Discussion
05-22-24, 10:07 PM
Replies: 32
Views: 611
Posted By Duragrouch

Whole thread is TL: DR. Just a few quick things...

Whole thread is TL: DR. Just a few quick things from experience.

I used a B.O.B. trailer on a tour. It is unique in having the pivot point completely behind the rear wheel, like a car travel...
Forum: Electric Bikes
05-22-24, 09:39 PM
Replies: 5
Views: 178
Posted By Duragrouch

Ebikes are advancing FAST, in terms of...

Ebikes are advancing FAST, in terms of performance versus cost. I think there are superior bikes new for about that cost, with full warranty, and batteries, gears, and motors wear, and all are...
Forum: General Cycling Discussion
05-22-24, 09:28 PM
Replies: 54
Views: 1,443
Posted By Duragrouch

52 to 50 is exactly 4% difference in one...

52 to 50 is exactly 4% difference in one direction and about the same in the other. Could you feel it? Yes. Would it make a difference? Depends if you are near your cadence or torque limit. Are you a...
Forum: Folding Bikes
05-22-24, 07:54 PM
Replies: 25
Views: 831
Posted By Duragrouch

If it comes with a telescoping handlepost, you...

If it comes with a telescoping handlepost, you should be able to lower it to your desire, it goes as short as it does for folding, and also to fit folks 4'8" tall (if same range as Dahon). Can't...
Forum: Folding Bikes
05-22-24, 07:31 PM
Replies: 5
Views: 280
Posted By Duragrouch

I agree, except for the kicker, "... save for the...

I agree, except for the kicker, "... save for the folded size..."; That's Brompton's killer app, its raison d'e^tre, there is no other reason to own a Brompton or brompnot. I wouldn't. If I buy a...
Forum: Bicycle Mechanics
05-22-24, 07:19 PM
Replies: 47
Views: 693
Posted By Duragrouch

Well, my folder at my seat height, there is 17"...

Well, my folder at my seat height, there is 17" of exposed seatpost and about 6" inside the seat tube, with almost the entire seatpost descending when folded, about 10" of that then sticking out...
Forum: Bicycle Mechanics
05-22-24, 06:51 PM
Replies: 47
Views: 693
Posted By Duragrouch

I did not. I can see the reasons. I think old...

I did not. I can see the reasons. I think old smooth chromed DOM steel posts might slip with grease, but evidently not modern aluminum ones.

As I said, grease or antiseize on a long seatpost on a...
Forum: Touring
05-22-24, 05:30 PM
Replies: 153
Views: 10,963
Posted By Duragrouch

+1, and I agree. However it's good to know, that...

+1, and I agree. However it's good to know, that as tire section height increases, so does fork trail, increasing stability, but also steering heaviness if loaded. Conversely, smaller section height...
Forum: Bicycle Mechanics
05-22-24, 05:17 PM
Replies: 21
Views: 392
Posted By Duragrouch

Small additional: Narrow-wide chainrings only...

Small additional: Narrow-wide chainrings only come in even-number of teeth, and must be installed with the chain narrow link on narrow tooth, and wide link on wide tooth. This is why they only work...
Forum: Folding Bikes
05-22-24, 04:55 PM
Replies: 25
Views: 831
Posted By Duragrouch

Interesting. Questions, for different reason: Is...

Interesting. Questions, for different reason: Is the top telescoping section round (no flat or slot to keep aligned), does it come completely out, or has a stop at top of travel, and what is the...
Forum: Bicycle Mechanics
05-22-24, 04:21 PM
Replies: 47
Views: 693
Posted By Duragrouch

Yeah I don't know about greasing a seatpost. If I...

Yeah I don't know about greasing a seatpost. If I needed to, I would use (aluminum) anti-seize, it has what feels like a grease base, but the very fine metal powder is supposed to put back some of...
Forum: General Cycling Discussion
05-22-24, 03:58 PM
Replies: 54
Views: 1,443
Posted By Duragrouch

Yeah I agree. I don't think there is any problem...

Yeah I agree. I don't think there is any problem with triples. Even very old doubles could shift poorly. Chainring design has advanced greatly, that's the big difference, way more than front...
Forum: Touring
05-22-24, 03:50 PM
Replies: 181
Views: 11,225
Posted By Duragrouch

Yes, I'm not basing what I said based on any...

Yes, I'm not basing what I said based on any policy, I'm sure amtrak is inconsistent. On my single train trip, I recall the conductor before small stops, announcing if anyone needed luggage unloaded,...
Forum: Road Cycling
05-22-24, 03:21 PM
Replies: 66
Views: 1,693
Posted By Duragrouch

"Stank" on anything: Normal washing works fine,...

"Stank" on anything: Normal washing works fine, but if less possible, a spray with dilute ammonia will often kill, it's a simple antibacterial. This is basically just window cleaner without any blue...
Forum: Road Cycling
05-22-24, 03:09 PM
Replies: 66
Views: 1,693
Posted By Duragrouch

Yes I was joking, I know race bikes don't have...

Yes I was joking, I know race bikes don't have kickstands. :) I also thought it should be a crank arm.

I recall from the first of Nolan's Batman series, while driving the Batmobile, Batman rotated...
Forum: Folding Bikes
05-22-24, 04:36 AM
Replies: 5
Views: 280
Posted By Duragrouch

Brompton appears to be a cool bike. I'd like one...

Brompton appears to be a cool bike. I'd like one for occsional travel. But they are committing one of the Seven Deadly Business Sins, the Sin of Premium Pricing, for a fully-developed, fully-tooled,...
Forum: Bicycle Mechanics
05-22-24, 03:41 AM
Replies: 47
Views: 693
Posted By Duragrouch

A piece of bike inner tube of the correct size...

A piece of bike inner tube of the correct size should fit over both the seat post and top of seat tube. Experiment with sizes. I never toss old tubes, great for tons of things. Better than tape...
Forum: General Cycling Discussion
05-22-24, 03:19 AM
Replies: 50
Views: 1,959
Posted By Duragrouch

It works, reduces hinge flex and wear. There's...

It works, reduces hinge flex and wear. There's nothing else they could have done that improved frame bending strength so much, was so light, was so cheap, and didn't impede folding. "Lighter than...
Forum: General Cycling Discussion
05-22-24, 02:54 AM
Replies: 47
Views: 1,473
Posted By Duragrouch

I bought tons of stuff in between those purchases...

I bought tons of stuff in between those purchases which were cheap, but all fine. Favorite was a heavy cotton canvas riggers bag for $10, that I gave the waxed cotton treatment, still use a dozen...
Forum: Bicycle Mechanics
05-22-24, 02:44 AM
Replies: 22
Views: 935
Posted By Duragrouch

Encouraging, and good to know, thanks!

Encouraging, and good to know, thanks!
Forum: Touring
05-22-24, 02:40 AM
Replies: 181
Views: 11,225
Posted By Duragrouch

I agree. The point I was trying to make was...

I agree. The point I was trying to make was independent of bike storage availability in baggage car; If the train has, it's there with you at a small stop. But from a labor standpoint, I think you...
Forum: Road Cycling
05-22-24, 02:29 AM
Replies: 66
Views: 1,693
Posted By Duragrouch

Maybe just me, but his aero bars look at 4...

Maybe just me, but his aero bars look at 4 o'clock, his wheel is at 12 or 6, and I think his centerstand dropped might have something to do with the bike pitching forward like that. Front tire looks...
Forum: Road Cycling
05-22-24, 02:16 AM
Replies: 66
Views: 1,693
Posted By Duragrouch

Everyone seems to want unpadded palms. I want...

Everyone seems to want unpadded palms. I want padded and thick, nerve pain pushed me to recumbent but in this hilly region I'm back on a conventional bike with aero bars. Padded gloves had been hard...
Forum: Advocacy & Safety
05-22-24, 12:11 AM
Replies: 32
Views: 976
Posted By Duragrouch

Thank you! I knew in my mind it was peripherally...

Thank you! I knew in my mind it was peripherally related conceptually, I just could not remember the term. I ran across it on wiki one day some years ago.
Forum: Folding Bikes
05-21-24, 11:11 PM
Replies: 25
Views: 831
Posted By Duragrouch

I definitely get what you're saying. The...

I definitely get what you're saying. The forward-curved-banana handlepost on a Brompton, helps the fold, because it folds down to the outside (with curve concave inward). That would need to be looked...
Forum: Bicycle Mechanics
05-21-24, 10:43 PM
Replies: 12
Views: 379
Posted By Duragrouch

I have a microshift 3x9 front derailleur, shifts...

I have a microshift 3x9 front derailleur, shifts great, but the spring is way too stiff for me, unable to use with gripshift. Trigger shifter is better but still high force. With downtube shifters it...
Forum: Bicycle Mechanics
05-21-24, 10:30 PM
Replies: 24
Views: 453
Posted By Duragrouch

" ... a mistake, or DID HE DO IT TO US ON...

" ... a mistake, or DID HE DO IT TO US ON PURPOSE?" - Jack Nicholson, The Witches of Eastwick (1987)
Forum: Advocacy & Safety
05-21-24, 10:04 PM
Replies: 32
Views: 976
Posted By Duragrouch

I don't think practically applicable in this...

I don't think practically applicable in this case, but it's bugging me, not being able to think of it; What is the term for a staircase or ladder or other, used in the UK typically, for humans to...
Forum: General Cycling Discussion
05-21-24, 09:53 PM
Replies: 54
Views: 1,443
Posted By Duragrouch

A few gearing points in general, if not already...

A few gearing points in general, if not already known by the OP:

1 tooth difference on the (small) high cog, means much greater difference in percentage than 1 tooth at the large (low) cogs. This...
Forum: Touring
05-21-24, 06:23 PM
Replies: 181
Views: 11,225
Posted By Duragrouch

(above, luggage car racks) Wow, that looks like a...

(above, luggage car racks) Wow, that looks like a really great *system*, easily changed between bike or luggage space.

From what I've heard and read, getting bikes on and off the luggage car,...
Forum: Folding Bikes
05-21-24, 06:07 PM
Replies: 25
Views: 831
Posted By Duragrouch

Under desk at work for occasional rides: Most...

Under desk at work for occasional rides: Most Bike Fridays would be a poor choice for this, in fact the worst, unless you are talking about the Tikit/Pakit series, which fold and unfold fast and...
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