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Search: Posts Made By: Trakhak
Showing results 1 to 50 of 329
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05-15-21, 12:55 PM
Replies: 220
Views: 5,324
Posted By Trakhak

I just finished a 4 1/2-hour ride on my 19-pound...

I just finished a 4 1/2-hour ride on my 19-pound track bike (48/18 gearing) in Baltimore County and Carroll County (very hilly terrain). I'm thoroughly wiped out. Last month, I did the same ride on...
05-15-21, 04:24 AM
Replies: 14
Views: 279
Posted By Trakhak

Recent science on stretching summarized (May...

Recent science on stretching summarized (May 2021):

Stretching science has shown that this extremely popular form of exercise has almost no measurable benefits...
05-13-21, 03:33 PM
Replies: 10
Views: 251
Posted By Trakhak

Maybe the seller did a search for current selling...

Maybe the seller did a search for current selling prices for that year and model and happened on the bike blue book site. As the poster above implied, strike while the iron is hot!

Of course, you...
05-13-21, 02:38 PM
Replies: 220
Views: 5,324
Posted By Trakhak

The issue of whether heavier bikes give a better...

The issue of whether heavier bikes give a better workout than lighter bikes would make a good college application essay topic. (For those who assert that heavier bikes do give a better workout:...
05-13-21, 02:35 PM
Replies: 220
Views: 5,324
Posted By Trakhak

The hypothesis regarding the plateau effect...

The hypothesis regarding the plateau effect stipulates that repeated bouts of exercise at a given load result in diminishing improvements in fitness. "It never gets easier, you just go faster" is...
05-13-21, 02:25 PM
Replies: 220
Views: 5,324
Posted By Trakhak

Precisely. It therefore follows that neither...

Precisely. It therefore follows that neither heavier bikes nor lighter bikes give a better workout.
05-13-21, 03:34 AM
Replies: 20
Views: 642
Posted By Trakhak

As usual, any suggestion that it's possible for a...

As usual, any suggestion that it's possible for a cyclist of any stripe to be other than a saint results in 'owls of derisive laughter, Bruce.
05-12-21, 03:03 PM
Replies: 14
Views: 404
Posted By Trakhak

You're obviously talking about pressing down on a...

You're obviously talking about pressing down on a free-standing rim that hasn't been built into a tensioned wheel. Try that again with a fully tensioned built wheel. The spoke tension prevents any...
05-12-21, 02:27 PM
Replies: 7
Views: 315
Posted By Trakhak

FYI, many of us don't use Facebook.

FYI, many of us don't use Facebook.
05-12-21, 03:17 AM
Replies: 36
Views: 1,086
Posted By Trakhak

All the threads about "keeping up with roadies"...

All the threads about "keeping up with roadies" and "Tour-de-France-type riders" that crop up every spring amount to the same existential conundrum: "Why wasn't I one of the cool kids in high school?"
05-12-21, 03:06 AM
Replies: 220
Views: 5,324
Posted By Trakhak

Other things being equal, lighter bikes are...

Other things being equal, lighter bikes are faster than heavier bikes; riding a bike faster means working against higher wind resistance (wind resistance increases as the square of speed and is the...
05-09-21, 12:50 PM
Replies: 12
Views: 401
Posted By Trakhak

1: If, as appears to be the case, you removed the...

1: If, as appears to be the case, you removed the axle and bearings before attempting to use the freewheel tool---don't. Correct use of the tool requires the tool to be centered precisely, which in...
05-09-21, 12:23 PM
Replies: 38
Views: 1,577
Posted By Trakhak

For steady-state, moderate-effort cycling, as...

For steady-state, moderate-effort cycling, as tested in most of the studies, that's accurate. For sprinting and high-effort hill climbing, less so. On the rare occasions that I ride using toe clips...
05-06-21, 06:09 PM
Replies: 34
Views: 861
Posted By Trakhak

I'd take that bet. I've never heard of anyone...

I'd take that bet. I've never heard of anyone being dumb enough to use thread-locking compound on a water bottle screw, and it's clear from the responses here that spinning rivnuts represent a fairly...
05-06-21, 01:11 PM
Replies: 34
Views: 861
Posted By Trakhak

Thanks very much for the clarification. That's a...

Thanks very much for the clarification. That's a bit trickier. If the problem occurred after first removing the bolt and then tightening it to secure the cage in place, you might have overtightened...
05-06-21, 12:54 PM
Replies: 302
Views: 9,215
Posted By Trakhak

You're a bit behind in the "What's up with . . ....

You're a bit behind in the "What's up with . . . ?" schedule: a thread on precisely that topic in roughly the same words was reintroduced (as usual in the spring) a week ago and is percolating along...
05-06-21, 12:40 PM
Replies: 302
Views: 9,215
Posted By Trakhak

It's called toasting: ...

It's called toasting:

https://www.youtube.com/watch?v=S4O5voOCqAQ
05-06-21, 12:24 PM
Replies: 34
Views: 861
Posted By Trakhak

See post no. 15 above. The video shows exactly...

See post no. 15 above. The video shows exactly how to fix a rivnut that "spins in place, you can neither loosen or tighten it." (To clarify: in your bike, it's the rivnut that's spinning in the...
05-06-21, 12:14 PM
Replies: 302
Views: 9,215
Posted By Trakhak

Which sports should adults be allowed to...

Which sports should adults be allowed to participate in? Pie-eating contests?
05-06-21, 11:54 AM
Replies: 34
Views: 861
Posted By Trakhak

Yes, indeed. In fact, a bolt, a nut, a washer,...

Yes, indeed. In fact, a bolt, a nut, a washer, and two wrenches are all that are needed. It barely counts as a repair, since the technique used to fix the rivnut in place is identical to that which...
05-04-21, 10:19 AM
Replies: 220
Views: 5,324
Posted By Trakhak

As one of the veteran racers here used to say in...

As one of the veteran racers here used to say in his Bike Forums sig line, "You can pass me anywhere but in a race."
04-29-21, 02:09 PM
Replies: 114
Views: 5,530
Posted By Trakhak

There's no such thing as a Campagnolo stem. Your...

There's no such thing as a Campagnolo stem. Your friend needs to learn more about bikes, judging from this and the other ignorant/wacky suggestions (a power tool to cut a handlebar, for God's sake!)...
Forum: Road Cycling
04-27-21, 01:31 PM
Replies: 57
Views: 1,962
Posted By Trakhak

In the video linked to earlier in the thread,...

In the video linked to earlier in the thread, Mark Cavendish demonstrates bouncing that way and says that he can't understand why some people do that while sprinting, since it just wastes energy.
04-24-21, 04:38 AM
Replies: 119
Views: 3,393
Posted By Trakhak

Got a leather strap helmet, a.k.a. "hairnet," for...

Got a leather strap helmet, a.k.a. "hairnet," for my first ABLA-licensed bike race in 1964. Graduated to a Bell Biker when they first came out, about 12 years later, after reading Bicycling!...
04-22-21, 04:02 AM
Replies: 26
Views: 1,314
Posted By Trakhak

Here it is on YouTube (for those who don't do...

Here it is on YouTube (for those who don't do Facebook).
04-20-21, 12:13 PM
Replies: 7
Views: 553
Posted By Trakhak

Aluminum frames dominate the mid-priced bike...

Aluminum frames dominate the mid-priced bike market. Why? Because manufacturers like to keep their frame warranty replacement numbers low.

Carbon frames are coming down in price but still cost...
Forum: Road Cycling
04-20-21, 04:12 AM
Replies: 57
Views: 1,962
Posted By Trakhak

As you press down on the left pedal, pull up on...

As you press down on the left pedal, pull up on the left side of the handlebar and push down on the right side, twisting the handlebar to counter the pedal force. As you press down on the right...
04-18-21, 04:39 AM
Replies: 36
Views: 1,314
Posted By Trakhak

Good! Explaining the joke immediately afterward...

Good! Explaining the joke immediately afterward invariably makes it funnier!

If I hosted a forum, threads with titles that end in "Discuss" or "Go!" would instantly self-destruct.
04-17-21, 11:44 PM
Replies: 45
Views: 1,023
Posted By Trakhak

I wonder how Brandt would have explained the...

I wonder how Brandt would have explained the forces at work in a rear wheel composed entirely of radially oriented spokes, where the only practical constraint is the strength of the hub with respect...
04-17-21, 10:41 AM
Replies: 36
Views: 1,314
Posted By Trakhak

Goodwill.

Goodwill.
04-16-21, 06:55 AM
Replies: 3
Views: 247
Posted By Trakhak

Agree. That said, "Windsor" would be the...

Agree. That said, "Windsor" would be the manufacturer of the bottom bracket spindle; nothing to do with the bike manufacturer of the same name. With the possible exception of, e.g., Lambert/Viscount,...
Replies: 4
Views: 421
Posted By Trakhak

Have you seen this excellent thread...

Have you seen this excellent thread (https://www.bikeforums.net/classic-vintage/1183324-picture-your-favorite-vintage-time-trial-bicycles-why.html)?
04-12-21, 05:17 AM
Replies: 71
Views: 2,959
Posted By Trakhak

Whenever this topic comes up, I remember a big...

Whenever this topic comes up, I remember a big guy (a tall weightlifter, well over 250 pounds) coming into the bike shop in 1985 who complained that every bike he'd ridden lately felt like...
04-11-21, 07:40 PM
Replies: 25
Views: 1,030
Posted By Trakhak

Not to worry: that's his height in shoes,...

Not to worry: that's his height in shoes, presumably, since that's how he measured his inseam, so both figures are, to put it politely, suspect.
04-08-21, 03:06 AM
Replies: 10
Views: 503
Posted By Trakhak

Chain is still inboard of the elevated...

Chain is still inboard of the elevated chainstay---i.e., chain still passes through the frame. (See photo below; cable housing is outside frame, chain is inside.) Manufacturer would have to eliminate...
04-07-21, 02:52 PM
Replies: 61,609
Views: 9,304,104
Posted By Trakhak

I see a Facebook link plus photo plus ad copy in...

I see a Facebook link plus photo plus ad copy in some Facebook ad posts, the link plus either photo or ad copy in some, and only a Facebook link in some.

Conclusion: some people are providing only...
Replies: 33
Views: 1,085
Posted By Trakhak

Always disliked watching fellow-mechanics cutting...

Always disliked watching fellow-mechanics cutting spokes on built wheels. Cutting stainless steel spokes can be hard on cutting tools, for one reason. And, coincidentally or otherwise, those...
04-05-21, 07:48 AM
Replies: 26
Views: 783
Posted By Trakhak

https://i.pinimg.com/originals/ef/9c/19/ef9c1902a1...

https://i.pinimg.com/originals/ef/9c/19/ef9c1902a173d2e910886ce2c0132d3c.jpg
04-04-21, 06:38 AM
Replies: 300
Views: 11,294
Posted By Trakhak

In 1965, my local bike store sold the...

In 1965, my local bike store sold the top-of-the-line all-Campy-Record Legnano, which was functionally fully equivalent to the 1980 Masi Gran Criterium, for $150. At more than 10 times the price only...
Forum: Road Cycling
04-03-21, 04:40 AM
Replies: 95
Views: 5,349
Posted By Trakhak

Absolutely agree. Every year, professionals can...

Absolutely agree. Every year, professionals can be seen climbing in the Alps and Pyrenees while clutching their handlebars near the stem without falling off the bike and asphyxiating. Graham Obree...
04-02-21, 05:58 AM
Replies: 15
Views: 1,118
Posted By Trakhak

Yes, the track bike fad seems to have had its...

Yes, the track bike fad seems to have had its day. Street fashion is fickle.
04-01-21, 03:45 PM
Replies: 15
Views: 1,118
Posted By Trakhak

Love my aluminum Langster, even though it's from...

Love my aluminum Langster, even though it's from the first year of production, before they figured out that the rear axle nuts would chew up the aluminum dropouts (Specialized installed steel dropout...
03-31-21, 06:32 AM
Replies: 198
Views: 6,837
Posted By Trakhak

This discussion will likely soon be moot, as...

This discussion will likely soon be moot, as inexpensive electric scooters become more and more ubiquitous.

That said: the problem is not that disadvantaged people can't afford to pay $250 or $300...
03-31-21, 05:18 AM
Replies: 50
Views: 1,459
Posted By Trakhak

Czech pro rider Oskar Sosenka set a new world...

Czech pro rider Oskar Sosenka set a new world hour record in 2005 using a 3.2-kg rear wheel. The complete bike weighed 9.8 kg.
03-30-21, 05:04 PM
Replies: 29
Views: 1,314
Posted By Trakhak

Physics. If you were to inflate a 26 x 2.00 tire...

Physics. If you were to inflate a 26 x 2.00 tire from 0 psi to full pressure, any mini pump of that size would heat up as much as yours did.

A larger mini pump would get the job done faster and...
03-30-21, 06:06 AM
Replies: 71
Views: 1,954
Posted By Trakhak

Blame racers for what? Bike frames were...

Blame racers for what?

Bike frames were initially brazed/welded without lugs, using tubing that had to be carefully mitered to fit together at the tube ends. The use of lugs was then introduced as...
Replies: 25
Views: 938
Posted By Trakhak

Since you now have your ten posts, you can upload...

Since you now have your ten posts, you can upload the photos to eliminate the need for further guesswork. Drive side photo of whole bike and closeups of derailleurs, brakes, crankset, and wheels...
03-26-21, 06:19 PM
Replies: 16
Views: 675
Posted By Trakhak

This sufficiently accounts for the (non)problem,...

This sufficiently accounts for the (non)problem, not that that ever stops anyone posting other hypotheses.

Proof: run the chain up to the middle chainring and middle sprocket and measure again.
03-24-21, 03:08 PM
Replies: 137
Views: 5,460
Posted By Trakhak

Top two photos confirm that the fork is bent. The...

Top two photos confirm that the fork is bent. The frame might be bent, too; can't tell from any of the photos.

The fork can't be safely repaired. Looks like quite an inexpensive bike, from...
03-19-21, 07:59 AM
Replies: 80
Views: 3,590
Posted By Trakhak

You've got that backwards. The recommendation by...

You've got that backwards. The recommendation by the AAA to refer to car accidents as car crashes is a very recent development and can be seen as ironic, given the historical background.

From this...
Showing results 1 to 50 of 329
 


 
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