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Search: Posts Made By: JohnDThompson
Showing results 1 to 50 of 794
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07-21-21, 07:49 PM
Replies: 61
Views: 2,308
Posted By JohnDThompson

At Trek in the mid 80s, we used torch-free...

At Trek in the mid 80s, we used torch-free electromagnetic induction to heat the joints, and automated wire feeds to feed brass into the hot joints in combination with pre-placed brass "bombs" inside...
07-20-21, 02:07 PM
Replies: 24,776
Views: 3,047,545
Posted By JohnDThompson

I just found a piece of steel (wrench handle, as...

I just found a piece of steel (wrench handle, as it turned out) that would fit between the slots of the driver, clamped it in a vise, put the driver on it, and used a chain whip and cheater bar (the...
07-19-21, 06:08 PM
Replies: 48
Views: 1,001
Posted By JohnDThompson

Probably easier to describe when it doesn't suck....

Probably easier to describe when it doesn't suck. :innocent:
07-19-21, 06:03 PM
Replies: 80
Views: 2,006
Posted By JohnDThompson

The section on flatulence is particularly...

The section on flatulence is particularly amusing. Who says doctors don't have a sense of humor?

Flatulence, which can cause great psychosocial distress, is unofficially described according to its...
07-18-21, 05:35 AM
Replies: 17
Views: 392
Posted By JohnDThompson

I like linseed oil. It lubricates while you're...

I like linseed oil. It lubricates while you're building the wheel, then hardens over the course of a couple days into a varnish that locks the threads, but not so much that the wheel can't be trued...
07-18-21, 05:19 AM
Replies: 123
Views: 2,255
Posted By JohnDThompson

And that's not all! ...

And that's not all!

https://faculty.georgetown.edu/jod/texts/twain.german.html
07-17-21, 10:47 AM
Replies: 12
Views: 352
Posted By JohnDThompson

Nice bike, but $300 seems optimistic.

Nice bike, but $300 seems optimistic.
07-17-21, 10:45 AM
Replies: 17
Views: 341
Posted By JohnDThompson

Those Ergopower levers you are considering are...

Those Ergopower levers you are considering are probably the most extensive/expensive way to modify your bike in the way you desire. Not only would they cost you $110 just for the levers, but you'd...
07-16-21, 06:56 AM
Replies: 80
Views: 2,006
Posted By JohnDThompson

Do I smell a troll?

Do I smell a troll?
07-15-21, 11:07 AM
Replies: 14
Views: 294
Posted By JohnDThompson

The Sakae Ringyo crank arms can be removed with a...

The Sakae Ringyo crank arms can be removed with a standard 22mm crank tool. A hook spanner like the Hozan C-205 will remove the lockring from the adjustable cup, and the Park HCW-11 will allow you to...
07-14-21, 08:58 PM
Replies: 13
Views: 490
Posted By JohnDThompson

I recommend the book "No Hands" for a readable,...

I recommend the book "No Hands" for a readable, engaging history of the Schwinn Bicycle Company:

https://www.amazon.com/No-Hands-Schwinn-American-Institution/dp/0805035532
07-14-21, 11:11 AM
Replies: 118
Views: 3,132
Posted By JohnDThompson

How do you determine country of origin? Maybe the...

How do you determine country of origin? Maybe the frame was made in USA, using British-drawn steel, outfitted with a Japanese drivetrain, running with French rims and chain and Italian handlebars and...
07-14-21, 05:53 AM
Replies: 4,860
Views: 615,655
Posted By JohnDThompson

Mine are marked "27" and measure 25.5mm...

Mine are marked "27" and measure 25.5mm wide.
07-13-21, 03:38 PM
Replies: 4,860
Views: 615,655
Posted By JohnDThompson

Some new tubulars, now mounted on rims to...

Some new tubulars, now mounted on rims to stretch. These are the widest tubulars I've had since the Clément Campionato del Mondo Setas I had many years ago.
07-13-21, 02:40 PM
Replies: 53
Views: 1,911
Posted By JohnDThompson

FWIW, I've had good luck with USPS, with only...

FWIW, I've had good luck with USPS, with only limited problems. And those problems were only when my daughter was living in Ypsilanti (just outside of Detroit, for those who don't know). Packages...
07-13-21, 02:16 PM
Replies: 18
Views: 430
Posted By JohnDThompson

P-clamps are probably the easiest way to deal...

P-clamps are probably the easiest way to deal with this. Make sure you get steel ones; plastic p-clamps are only strong enough for mudguards.

Alternatively, Blackburn used to make "custom eyelets"...
07-12-21, 06:58 AM
Replies: 53
Views: 3,595
Posted By JohnDThompson

I recently came across a couple old jerseys of...

I recently came across a couple old jerseys of mine that fit just fine back in the 80s, but now they're too tight! What gives? I didn't think lycra would shrink just hanging in the closet, but what...
07-11-21, 04:02 PM
Replies: 13
Views: 471
Posted By JohnDThompson

Dealer cost for a Team Pro in 1984: $25.99

Dealer cost for a Team Pro in 1984: $25.99
07-11-21, 05:06 AM
Replies: 13
Views: 340
Posted By JohnDThompson

I like the Stronglight headset wrenches. They...

I like the Stronglight headset wrenches. They grip the headset on seven of the eight flats to minimize the risk of slipping and marring soft aluminum headset parts. The only caveat is that the...
Forum: Road Cycling
07-07-21, 07:36 PM
Replies: 23
Views: 1,459
Posted By JohnDThompson

Still the same old 1990s web site, too! :thumb:

Still the same old 1990s web site, too! :thumb:
Forum: Framebuilders
07-06-21, 12:14 PM
Replies: 2
Views: 166
Posted By JohnDThompson

I haven't worked with 853, but if it's like 753,...

I haven't worked with 853, but if it's like 753, I suspect the answer is "not well." Unless it's a really serious dent, I'd just live with it.
07-04-21, 02:43 PM
Replies: 14
Views: 1,256
Posted By JohnDThompson

I would not want to reduce the diameter of the...

I would not want to reduce the diameter of the bar to fit the shifter; doing so would create a stress riser, which could cause the bar to fail. With an aluminum bar, things could go from an initial...
07-02-21, 08:11 PM
Replies: 62,879
Views: 9,575,066
Posted By JohnDThompson

Yes, that's an OEM Tange "Trident" crown, used on...

Yes, that's an OEM Tange "Trident" crown, used on mid-80s high-end racing Treks (531/753/Columbus). Socketed fork ends and dropouts would have been used as they became available.
06-30-21, 06:52 PM
Replies: 51
Views: 1,918
Posted By JohnDThompson

"Mom? Is that you?"

"Mom? Is that you?"
06-30-21, 06:12 PM
Replies: 202
Views: 5,849
Posted By JohnDThompson

Why not both wheels? Jimmy Osmond endorsed it, so...

Why not both wheels? Jimmy Osmond endorsed it, so it must be good!

https://thecabe.com/forum/data/attachments/987/987808-f38a9231ea526137590e4ce1fd9e7e9e.jpg
06-28-21, 07:03 AM
Replies: 202
Views: 5,849
Posted By JohnDThompson

Marketing departments love to focus on weight,...

Marketing departments love to focus on weight, despite its dubious real-world significance, because it is such an easily quantifiable and easily compared metric.
06-26-21, 02:46 PM
Replies: 16
Views: 359
Posted By JohnDThompson

As long as the crack is there, it's likely to...

As long as the crack is there, it's likely to continue to grow. If you don't want to spring for a new post, trim the current post above the end of the crack. And keep an eye on it, in case you didn't...
06-26-21, 02:38 PM
Forum: Framebuilders
06-25-21, 05:52 PM
Replies: 29
Views: 3,088
Posted By JohnDThompson

That's what I've done, using Martin Manning's...

That's what I've done, using Martin Manning's Exel-based "Bicycle Geometry 101." I don't have Excel, but it works fine in gnumeric or LibreOffice.
06-25-21, 05:30 PM
Replies: 10
Views: 364
Posted By JohnDThompson

Those were a custom color made for Trek, to match...

Those were a custom color made for Trek, to match the dark blue powder coat on the Blackburn racks and bottle cages. I don't know of any current production that matches. :(
06-25-21, 05:19 PM
Replies: 90
Views: 1,749
Posted By JohnDThompson

The VAR-30 is the preferred tool for those cups....

The VAR-30 is the preferred tool for those cups. The jaws are available in several styles; 30/2 is the one that fits those Stronglight cups. Otherwise, the Sheldon Brown bolt method should work once...
06-24-21, 08:12 PM
Replies: 54
Views: 1,624
Posted By JohnDThompson

Summer or winter?

Summer or winter?
06-23-21, 05:35 AM
Replies: 17
Views: 330
Posted By JohnDThompson

The freewheel wobbles because the mounting...

The freewheel wobbles because the mounting threads on the hub are not perfectly co-axial with the hub. The wobble is harmless.

Freewheel hub axles break because providing clearance to mount a...
06-22-21, 03:16 PM
Replies: 9
Views: 245
Posted By JohnDThompson

I like Stan's valve core tool. Works with both...

I like Stan's valve core tool. Works with both Schrader and presta valves:

https://www.notubes.com/core-remover-tool
06-22-21, 03:07 PM
Replies: 4
Views: 385
Posted By JohnDThompson

I think it is mostly tradition. Double-threading...

I think it is mostly tradition. Double-threading of track hubs for a sprocket and lockring is an archaic kludge. There are modern track hubs from White Industries, Halo, and possibly others that use...
06-19-21, 09:30 AM
Replies: 11
Views: 292
Posted By JohnDThompson

I can verify that mod. 45 and mod. 23 pedal...

I can verify that mod. 45 and mod. 23 pedal spindles are interchangeable.



The MKS Urban Platform pedal is very nice, but the deal-breaker for me is that, unlike the Berthet pedal, the Urban...
06-19-21, 09:27 AM
Replies: 64
Views: 2,147
Posted By JohnDThompson

I'd be more concerned about the open-cam quick...

I'd be more concerned about the open-cam quick release on a horizontal dropout than the orientation of the letters on the hub.
06-18-21, 04:51 PM
Replies: 8
Views: 784
Posted By JohnDThompson

Last fall, the leather on my 50 year old Brooks...

Last fall, the leather on my 50 year old Brooks Professional failed, so I had Rudi replace the leather. It came out quite nicely, only a couple hundred miles on it so far, so we're still breaking...
06-18-21, 05:13 AM
Replies: 12
Views: 288
Posted By JohnDThompson

74mm BCD rings are typically the innermost ring...

74mm BCD rings are typically the innermost ring on a triple crank with a dedicated mounting point. As such, they're offered in small tooth counts, 24 to 30. Larger tooth counts would be mounted as...
06-17-21, 06:34 AM
Replies: 75
Views: 2,297
Posted By JohnDThompson

Under the straps. Otherwise, I need to remove my...

Under the straps. Otherwise, I need to remove my glasses in order to take off the helmet.
06-16-21, 12:16 PM
Replies: 65
Views: 1,987
Posted By JohnDThompson

The best bottles I've used are the Camelback...

The best bottles I've used are the Camelback "Podium" and Triplex (not widely distributed outside Europe). I'm not a big fan of insulated bottles; total volume is more important than the temperature...
06-14-21, 02:47 PM
Replies: 7,182
Views: 694,713
Posted By JohnDThompson

38T ring to complete my drillium triple:

38T ring to complete my drillium triple:
06-14-21, 02:34 PM
Replies: 50
Views: 1,213
Posted By JohnDThompson

I'm not fond of the plastic spoke protectors....

I'm not fond of the plastic spoke protectors. They get brittle and disintegrate in a couple years. The ones that use hooks tend to break off the hooks and then slip out of place. The better ones have...
06-14-21, 11:14 AM
Replies: 4,106
Views: 389,693
Posted By JohnDThompson

FYI, if you're looking for those particular...

FYI, if you're looking for those particular barrel adjusters, the adjusters from Simplex "Prestige" shift levers will work:
06-14-21, 09:45 AM
Replies: 8
Views: 494
Posted By JohnDThompson

Jerseys

I came across a couple of my old jerseys that no longer fit.

First, a Trek jersey, size "medium," by Vigorelli. About 33" around the chest, 26" long. Three rear pockets.

Second, a Zeus track...
06-11-21, 11:08 AM
Replies: 18
Views: 553
Posted By JohnDThompson

Those frames were epoxy-bonded, not welded. The...

Those frames were epoxy-bonded, not welded. The tubes fit over investment cast aluminum plugs on the head tube, seat cluster, and bottom bracket. The dropouts were also cast aluminum, with plugs that...
06-08-21, 08:59 PM
Replies: 100
Views: 9,704
Posted By JohnDThompson

I suspect you'll find that any shoe with a sole...

I suspect you'll find that any shoe with a sole stiff enough to be comfortable for several hours of cycling will be too stiff to be comfortable for walking any distance.
06-08-21, 03:14 PM
Replies: 53
Views: 1,743
Posted By JohnDThompson

A stuck stem will continue to perform its...

A stuck stem will continue to perform its function. It's only if you want to remove it that it becomes an issue.
06-08-21, 03:06 PM
Replies: 75
Views: 9,896
Posted By JohnDThompson

You used to be able to buy that kind of thing off...

You used to be able to buy that kind of thing off the shelf, e.g. Zeus 2000 titanium spindle, cups and mounting bolts, aluminum lockring and washers:
06-08-21, 02:42 PM
Replies: 14
Views: 682
Posted By JohnDThompson

There's no reason why the OP couldn't put a...

There's no reason why the OP couldn't put a spacer under the flange. It's on the NDS, so the chainline isn't affected.
Showing results 1 to 50 of 794
 


 
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