Bike Forums

Go Back  Bike Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Today's Posts
Search
Vendor Directory
Notices
 
Page 1 of 20
1
2
3
11
Last »
Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
Search took 0.06 seconds.
Forum: Touring
05-08-24, 02:21 AM
Replies: 14
Views: 225
Posted By Duragrouch

I found that building my first set of wheels was...

I found that building my first set of wheels was enormously satisfying, even enjoyable. The only reason I bought full wheelsets later is because they cost less than the components. I never needed a...
Forum: Folding Bikes
05-08-24, 12:24 AM
Replies: 5
Views: 161
Posted By Duragrouch

If, and only if, the Dahon Launch is the same...

If, and only if, the Dahon Launch is the same features as in USA, meaning disc brakes, their latest hinge design (with the clamp lever on the bottom) and deltec, I think that's the better bike, but I...
Forum: Folding Bikes
05-08-24, 12:09 AM
Replies: 38
Views: 1,008
Posted By Duragrouch

No no, I think you misunderstood. Only on *carbon...

No no, I think you misunderstood. Only on *carbon fiber* seatposts do you need to worry about overclamping. On an aluminum or chromed-steel post, if it's slipping, even when everything is clean and...
Forum: Bicycle Mechanics
05-08-24, 12:03 AM
Replies: 33
Views: 694
Posted By Duragrouch

I think WD-40 (original) may be formulated a bit...

I think WD-40 (original) may be formulated a bit different now. Back in the day, it was *prohibited* for use on aircraft linkage spherical rods ends (Heim joints) as over time it would dry to a...
Forum: Bicycle Mechanics
05-07-24, 11:43 PM
Replies: 33
Views: 694
Posted By Duragrouch

If the lube or solvent is anything petroleum...

If the lube or solvent is anything petroleum based, it can't go in compost or recycling, so garbage, this is for paper towels that I use. If a lot of solvent on them, I will spread them out on...
Forum: Folding Bikes
05-07-24, 11:26 PM
Replies: 38
Views: 1,008
Posted By Duragrouch

Yes, I got that. This is just me, but I don't...

Yes, I got that. This is just me, but I don't think the seatpost needs to be lubed, mine neither wears nor sticks with no lube on post, and any lube would be really messy on a folder seatpost. For...
Forum: Touring
05-07-24, 11:11 PM
Replies: 14
Views: 225
Posted By Duragrouch

I was needing new wheels every five years (cracks...

I was needing new wheels every five years (cracks at rim spoke holes) on a road race bike I was putting mega miles on daily (and I was light then), third set of wheels had double sockets/eyelets...
Forum: Classic & Vintage
05-07-24, 10:32 PM
Replies: 284
Views: 75,387
Posted By Duragrouch

Geometry certainly has an effect on ride. But I...

Geometry certainly has an effect on ride. But I retired from structural engineering, so lemme tell ya, in general, aluminum bikes are stiffer, they usually NEED to be in order to be durable in...
Forum: Folding Bikes
05-07-24, 10:15 PM
Replies: 38
Views: 1,008
Posted By Duragrouch

If it helps, I've never had any issues with my...

If it helps, I've never had any issues with my folder seatpost binding, even after being clamped in place a year. No wear issues, but then, a) doesn't go up and down much, and b) there's an aluminum...
Forum: Bicycle Mechanics
05-07-24, 10:05 PM
Replies: 50
Views: 943
Posted By Duragrouch

Truer words were never said. I wish there was an...

Truer words were never said. I wish there was an easy way to hard anodize my rims without removing spokes and hub, and acid bath and electricity. If I ever cough up for a new bike, it'll have discs....
Forum: General Cycling Discussion
05-07-24, 09:21 PM
Replies: 79
Views: 2,964
Posted By Duragrouch

Oh, ok. I thought you had a bike with 3...

Oh, ok. I thought you had a bike with 3 chainrings and 3 mounted cogs, sort of a semi-fixi. :) Sounds like you have on only one cog at a time, stopping to change as needed.

Hmm, not to be...
Forum: Bicycle Mechanics
05-07-24, 08:45 PM
Replies: 50
Views: 943
Posted By Duragrouch

Hmm, that's a good point. I think these...

Hmm, that's a good point. I think these mechanisms happen very fast, but I still take your point. I think the rubber may hold up at the temperature that the aluminum softens. And rubber transfers...
Forum: Folding Bikes
05-07-24, 08:41 PM
Replies: 38
Views: 1,008
Posted By Duragrouch

Well there you go. Uh, is that post in an...

Well there you go. Uh, is that post in an aluminum frame or steel frame? EDIT: Doesn't matter because the bushing is aluminum, yes?
Forum: Folding Bikes
05-07-24, 08:13 PM
Replies: 38
Views: 1,008
Posted By Duragrouch

I wouldn't call it threaded, in the true sense. I...

I wouldn't call it threaded, in the true sense. I do see intentional grooves left by machining. It's a very particular question of whether that helps axial grip (somehow digging in to the mating...
Forum: General Cycling Discussion
05-07-24, 08:07 PM
Replies: 79
Views: 2,964
Posted By Duragrouch

Interesting. I assume no derailleurs or chain...

Interesting. I assume no derailleurs or chain tensioners? If true, do you shift on the fly, or stopped, or need to undo the quick release?
Forum: General Cycling Discussion
05-07-24, 08:04 PM
Replies: 79
Views: 2,964
Posted By Duragrouch

I totally buy that. I especially note how much...

I totally buy that. I especially note how much wider road race bike gearing is than it used to be.
Forum: Bicycle Mechanics
05-07-24, 07:59 PM
Replies: 50
Views: 943
Posted By Duragrouch

I don't think the rim would get that hot, but the...

I don't think the rim would get that hot, but the aluminum bits at the pad might. The following analogy might apply, or might not ("I could be wrong"): Trying to grind a piece of aluminum on a bench...
Forum: Bicycle Mechanics
05-07-24, 05:17 PM
Replies: 56
Views: 765
Posted By Duragrouch

I looked at the bead jack, looks interesting. I...

I looked at the bead jack, looks interesting. I can see a possible advantage in being able to lift the bead, and then with your thumb, push it laterally onto the rim. Whereas with tire levers,...
Forum: Bicycle Mechanics
05-07-24, 04:39 PM
Replies: 50
Views: 943
Posted By Duragrouch

Good link, I bookmarked that, thanks. I've...

Good link, I bookmarked that, thanks.

I've seen galling before, but usually with sliding of two metals of similar low hardness under high surface pressure. Rubber brake pads against even soft...
Forum: General Cycling Discussion
05-07-24, 12:00 AM
Replies: 52
Views: 1,563
Posted By Duragrouch

Kris Kristofferson was misdiagnosed with...

Kris Kristofferson was misdiagnosed with Alzheimers and other things for many years until seeing a more knowledgeable doctor who spotted it as Lyme disease immediately, tested, verified, treated,...
Forum: Classic & Vintage
05-06-24, 11:25 PM
Replies: 284
Views: 75,387
Posted By Duragrouch

My first good new bike was an '89 3.0 crit...

My first good new bike was an '89 3.0 crit (R600?), bought it without a single ride based on the article in Bicycling. I probably should have researched more but might not have changed mind for...
Forum: Bicycle Mechanics
05-06-24, 10:56 PM
Replies: 56
Views: 765
Posted By Duragrouch

Probably 20(?) years ago or more, I saw what...

Probably 20(?) years ago or more, I saw what sorta looked like a big crochet needle with hook, to pull tires of and on the same. Supposed to be widely used by bike shops.

I don't need levers to...
Forum: General Cycling Discussion
05-06-24, 10:39 PM
Replies: 152
Views: 4,206
Posted By Duragrouch

On the first day of class in Fluid Dynamics and...

On the first day of class in Fluid Dynamics and Heat Transfer, the prof will tell you that "heat" means by definition the transfer of thermal energy. So heat transfer is redundant. So is means by...
Forum: General Cycling Discussion
05-06-24, 10:23 PM
Replies: 41
Views: 1,144
Posted By Duragrouch

That does sound pretty cool. I guess when on a...

That does sound pretty cool. I guess when on a $6k bike, the cerakote is not that big a cost delta. I've never seen it in person, just know of it from use on other stuff.

I just looked up zombie...
Forum: Bicycle Mechanics
05-06-24, 09:17 PM
Replies: 50
Views: 943
Posted By Duragrouch

Perhaps welded is the wrong term. But I think...

Perhaps welded is the wrong term. But I think somehow got heat bonded to the rim. Perhaps a chip of aluminum in the pad, under hard braking it heats up until suddenly grabs at a spot on the rim and...
Forum: Bicycle Mechanics
05-06-24, 08:10 PM
Replies: 50
Views: 943
Posted By Duragrouch

I don't know why bits like that appear welded to...

I don't know why bits like that appear welded to the rim. I'd never seen this phenomenon on my old race bike with (dark gray) hard anodized rims, but then I also never used it in my current venue of...
Forum: Bicycle Mechanics
05-06-24, 07:52 PM
Replies: 35
Views: 726
Posted By Duragrouch

Stretch compared to steel, perhaps, but kevlar is...

Stretch compared to steel, perhaps, but kevlar is also super stiff. However it's vulnerable to UV light so exposed line is often painted black. Thus it's been largely supplanted by Ultra High...
Forum: Bicycle Mechanics
05-06-24, 07:43 PM
Replies: 106
Views: 19,421
Posted By Duragrouch

(above) Good eye! The large inner plate chamfer...

(above) Good eye! The large inner plate chamfer at the roller is the easiest clue to see, but also surprises me, as either the roller needs to be smaller or the inner plate larger, and the latter...
Forum: Bicycle Mechanics
05-06-24, 07:37 PM
Replies: 56
Views: 765
Posted By Duragrouch

All makes sense, and that along with your note...

All makes sense, and that along with your note about kevlar beads may be a big help to her. As edited above, I relayed the info in the thread.
Forum: General Cycling Discussion
05-06-24, 07:33 PM
Replies: 41
Views: 1,144
Posted By Duragrouch

Sure sounds awful close to celeste green like a...

Sure sounds awful close to celeste green like a Bianchi. :)
Forum: Bicycle Mechanics
05-06-24, 07:23 PM
Replies: 35
Views: 726
Posted By Duragrouch

Just saw this on different thread, from FBinNY,...

Just saw this on different thread, from FBinNY, saying why when he puts the tire on, he puts on opposite the valve first, then works around to the valve (opposite from me):


This makes sense....
Forum: Bicycle Mechanics
05-06-24, 07:19 PM
Replies: 56
Views: 765
Posted By Duragrouch

I questioned valve last, but that makes sense....

I questioned valve last, but that makes sense. Just like a drop-center car wheel. I don't have problems mounting but will remember that.

There's another thread with VegasJen(?) having a terrible...
Forum: Electric Bikes
05-06-24, 07:09 PM
Replies: 14
Views: 608
Posted By Duragrouch

When I first heard of Pinion it was a couple...

When I first heard of Pinion it was a couple years ago, someone on the bike trail mentioned it and I looked it up. IIRC, 12 or 18 speeds with no duplicates. Sounded great, but all bikes equipped with...
Forum: General Cycling Discussion
05-06-24, 02:22 AM
Replies: 15
Views: 340
Posted By Duragrouch

So in other words... think like a single speed. ...

So in other words... think like a single speed.

Or as I read once in an article in Backpacking I think, about different approaches to how much stuff you bring, one person said, "If I need it and I...
Forum: Folding Bikes
05-06-24, 12:05 AM
Replies: 41
Views: 5,217
Posted By Duragrouch

I looked up the original ad for this bike, was...

I looked up the original ad for this bike, was wondering if just a britishy sounding model name, or actually a promo by a cig company; the latter. Nothing like a full two-page ad spread for a bicycle...
Forum: General Cycling Discussion
05-05-24, 11:48 PM
Replies: 24
Views: 1,235
Posted By Duragrouch

OP, I'd generally recommend against 24" wheels...

OP, I'd generally recommend against 24" wheels and tires as the tire selection is very limited, it's the one drawback of the Helix folding bike that only comes that way. 20" wheels are more likely to...
Forum: Electric Bikes
05-05-24, 11:31 PM
Replies: 14
Views: 608
Posted By Duragrouch

Electric AND Pinion gearbox, that does look like...

Electric AND Pinion gearbox, that does look like a smokin' deal! I think it's 20" wheels because they are stronger than larger diameter, and less weight with typical e-bike wide tires. I don't...
Forum: Bicycle Mechanics
05-05-24, 11:17 PM
Replies: 50
Views: 943
Posted By Duragrouch

I have cheap rims and have seen similar before. I...

I have cheap rims and have seen similar before. I put on a set of "new" brake pads that were takeoff from another bike, but (as I discovered later) they were aged enough that the rubber was hard, and...
Forum: General Cycling Discussion
05-05-24, 10:57 PM
Replies: 15
Views: 340
Posted By Duragrouch

I have 2x7 gearing so I'm limited. I don't split...

I have 2x7 gearing so I'm limited. I don't split shifts, just upshift on cassette then at some point upshift chainring and resume. I run between 14-20% jumps, 25% to the lowest cog (although I just...
Forum: General Cycling Discussion
05-05-24, 10:36 PM
Replies: 41
Views: 1,144
Posted By Duragrouch

$8k for me is a ton of money to play with. ...

$8k for me is a ton of money to play with.

My space is extremely limited to only one bike now, but I get the gist of the post. Still, even back in the day, nearly all of my riding was on only one...
Forum: General Cycling Discussion
05-05-24, 09:39 PM
Replies: 152
Views: 4,206
Posted By Duragrouch

Yeah that always irked me, repetitively...

Yeah that always irked me, repetitively redundant. So is "heat transfer".
Forum: General Cycling Discussion
05-05-24, 09:29 PM
Replies: 152
Views: 4,206
Posted By Duragrouch

My phone is with me on rides but location is...

My phone is with me on rides but location is always off unless needed.

My driver's license and credit card are both in foil-backed paper sleeves that are designed for RFID shielding.

If...
Forum: Touring
05-05-24, 08:25 PM
Replies: 123
Views: 8,542
Posted By Duragrouch

I never went reserviors because they're a pain to...

I never went reserviors because they're a pain to clean and prop open to dry to avoid mold. However I was not drinking enough with bottles in cages. Finally got an aero bar with matching drink bottle...
Forum: Folding Bikes
05-05-24, 08:01 PM
Replies: 38
Views: 1,008
Posted By Duragrouch

I knew about the aluminum can trick, but on...

I knew about the aluminum can trick, but on another thread on this exact subject, someone suggested using a rimmed can, as the rim on top will keep the shim from falling into the seat tube, which I...
Forum: Bicycle Mechanics
05-05-24, 07:27 PM
Replies: 35
Views: 726
Posted By Duragrouch

Totally agree. Rubber has poor heat transfer,...

Totally agree. Rubber has poor heat transfer, you'll burn outside before getting the whole of it hot I think. Hot water has inherent limits on temp, plus good heat transfer and totally enveloping the...
Forum: Advocacy & Safety
05-05-24, 07:02 PM
Replies: 28
Views: 717
Posted By Duragrouch

Truer words were never said. I always recommend...

Truer words were never said. I always recommend people learn sailing in capsizable dinghies (but with masthead floats so they don't turtle, mast fills with water, difficult to right). They become...
Forum: Bicycle Mechanics
05-05-24, 06:51 PM
Replies: 83
Views: 2,149
Posted By Duragrouch

A minute apart. It's like brain waves through the...

A minute apart. It's like brain waves through the aether.
Forum: Bicycle Mechanics
05-05-24, 06:41 PM
Replies: 35
Views: 726
Posted By Duragrouch

That may also be easier if you coil the tire like...

That may also be easier if you coil the tire like a bandsaw blade, so 3 loops 1/3 the diameter, unless the tire is easily foldable.

I really think this is a bead wire sizing issue, not pliability...
Forum: Bicycle Mechanics
05-05-24, 06:12 PM
Replies: 35
Views: 726
Posted By Duragrouch

Is the part that is not seating, always the same...

Is the part that is not seating, always the same part of the tire? If so, perhaps an inconsistency there. If not, unseated part moves around the tire, my only guess is the tire bead diameter is just...
Forum: Bicycle Mechanics
05-05-24, 06:06 PM
Replies: 106
Views: 19,421
Posted By Duragrouch

Hilarious. That would be funny. Scam websites...

Hilarious. That would be funny. Scam websites usually contain english grammar erros or stilted phrasing. I almost got suckered by a clone website of a known brand, looking deeper into the website...
Showing results 1 to 50 of 1000
 
Page 1 of 20
1
2
3
11
Last »


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.