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Search: Posts Made By: JohnDThompson
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09-26-20, 07:31 PM
Replies: 5
Views: 114
Posted By JohnDThompson

+1 this. The rack was designed to work with a...

+1 this. The rack was designed to work with a mount that passes all the way through the fork blade, not standing off from the blade as in the picture. A U-bolt could be used to provide the proper...
09-26-20, 07:22 PM
Replies: 58,241
Views: 8,506,832
Posted By JohnDThompson

The serial number shows it to be a 22.5" model...

The serial number shows it to be a 22.5" model 730, built in July 1979. This is consistent with what I can see of the frame fittings and braze-ons.
09-26-20, 06:53 PM
Replies: 58,241
Views: 8,506,832
Posted By JohnDThompson

Yes, I'm sure. I was working for Trek in Waterloo...

Yes, I'm sure. I was working for Trek in Waterloo when the OP's bike was built. No production Trek frames or forks were chromed. The frame in your picture was either a show bike or aftermarket...
09-26-20, 09:08 AM
Replies: 15
Views: 311
Posted By JohnDThompson

End of October might be kind of chilly for...

End of October might be kind of chilly for outdoor dining, but you never know.

FWIW, I was up in Marinette County yesterday, and the colors were spectacular.
09-26-20, 08:16 AM
Replies: 18
Views: 394
Posted By JohnDThompson

+1 this. The OP's picture shows what I would...

+1 this. The OP's picture shows what I would identify as the weld seam. But the OP says the picture isn't his bike. A picture of the actual area of concern on the actual bike would probably help.
09-26-20, 07:57 AM
Replies: 71
Views: 1,277
Posted By JohnDThompson

Wait until you're older and have arthritis in...

Wait until you're older and have arthritis in your neck.
09-24-20, 12:03 PM
Replies: 66
Views: 1,042
Posted By JohnDThompson

As long as the retainer isn't bent or damaged, it...

As long as the retainer isn't bent or damaged, it should be fine. With the 11-ball ones, I often push the old balls out and replace them with new grade 25 balls, and it works fine.



Was it able...
09-24-20, 07:41 AM
Replies: 58,241
Views: 8,506,832
Posted By JohnDThompson

Agreed. Fork is not original. Trek never chromed...

Agreed. Fork is not original. Trek never chromed frames or forks.
09-24-20, 07:22 AM
Replies: 15
Views: 311
Posted By JohnDThompson

I'm putting it on my calendar, but I'm not...

I'm putting it on my calendar, but I'm not promising anything. I haven't done a group ride since last autumn, and as others have noted, Wisconsin's covid-19 stats are already pretty dismal.
09-24-20, 07:08 AM
Replies: 8
Views: 206
Posted By JohnDThompson

Schwinn modified Huret dropouts to work with...

Schwinn modified Huret dropouts to work with Shimano derailleurs by cutting a notch between 1 o'clock and 3 o'clock to accommodate the Shimano stop tab. The modification does not prevent a Huret...
09-24-20, 06:51 AM
Replies: 5
Views: 155
Posted By JohnDThompson

Put a wrench on the back nut and another on one...

Put a wrench on the back nut and another on one of the front nuts (whether inner or outer depends on which way you need to rotate the caliper to center it), and turn both at the same time to center...
09-24-20, 06:39 AM
Replies: 5
Views: 196
Posted By JohnDThompson

Probably the best option. Be prepared to re-treat...

Probably the best option. Be prepared to re-treat as the polish wears off, and don't wear light-colored shorts when riding on the saddle.
Forum: Road Cycling
09-22-20, 05:59 PM
Replies: 199
Views: 7,064
Posted By JohnDThompson

He's probably got another pair at home, with the...

He's probably got another pair at home, with the colors the right way around. :innocent:
09-22-20, 05:52 PM
Replies: 5
Views: 222
Posted By JohnDThompson

There's a public Google Calendar of vintage bike...

There's a public Google Calendar of vintage bike events here:

https://calendar.google.com/calendar/embed?src=0q5839r5j3n8toq1dqln77u3ec%40group.calendar.google.com&ctz=America%2FChicago
09-22-20, 05:34 PM
Replies: 38
Views: 777
Posted By JohnDThompson

Ofmega "Sintesi" and Campagnolo...

Ofmega "Sintesi" and Campagnolo "Triomphe"
09-22-20, 05:23 PM
Replies: 1,783
Views: 165,710
Posted By JohnDThompson

Look for external evidence of puncture; foreign...

Look for external evidence of puncture; foreign object stuck in the tread, obvious slice, etc. Put some air in and submerge to see where the bubbles form on the tread or sidewall. You'll almost...
09-22-20, 05:18 PM
Replies: 11
Views: 326
Posted By JohnDThompson

Meh. Nobody can see both dustcaps at the same...

Meh. Nobody can see both dustcaps at the same time. :innocent:
09-22-20, 04:05 PM
Replies: 47
Views: 2,018
Posted By JohnDThompson

We should instead call it "assembling from...

We should instead call it "assembling from scratch."

I guess I'll have to start mining my own ore and smelting my own alloys.
09-22-20, 03:57 PM
Replies: 20
Views: 580
Posted By JohnDThompson

Which of the half-dozen or so mutually...

Which of the half-dozen or so mutually incompatible, nominally 26" wheel sizes are you referring to? ETRTO size designations are most helpful.
09-22-20, 03:42 PM
Replies: 66
Views: 1,042
Posted By JohnDThompson

Could be. 9-ball retainers typically sit with the...

Could be. 9-ball retainers typically sit with the solid "ring" of the retainer facing inward, toward the race on the spindle. 11-ball retainers sit with the ring facing out, toward the cup:
09-22-20, 07:25 AM
Replies: 66
Views: 1,042
Posted By JohnDThompson

Many manufacturers use 9-ball retainers (Nervar...

Many manufacturers use 9-ball retainers (Nervar even used 7-ball retainers), and using loose balls would allow a full 11-ball complement to be installed. But Campagnolo and other high-end bottom...
09-22-20, 07:15 AM
Replies: 48
Views: 1,014
Posted By JohnDThompson

I haven't personally broken one (yet), but have...

I haven't personally broken one (yet), but have had people bring their broken Record cranks into the shop, so I know it really happens.
09-22-20, 06:57 AM
Replies: 8
Views: 238
Posted By JohnDThompson

An O-ring might work as a seal replacement. Some...

An O-ring might work as a seal replacement. Some older pedals from e.g. Zeus and Campagnolo used O-ring seals on pedals, but the axle had a groove to hold the ring in place. Without such retention,...
09-21-20, 01:40 PM
Replies: 8
Views: 305
Posted By JohnDThompson

Drive side offset is typically larger than...

Drive side offset is typically larger than non-drive side offset to accommodate the chainring(s). Is it causing a problem? If not, ride on. If so, there are pedal extenders you can use to move the...
09-21-20, 07:26 AM
Replies: 66
Views: 1,042
Posted By JohnDThompson

What model crank/bottom bracket do you have?...

What model crank/bottom bracket do you have? Campagnolo bottom brackets in the pre-C-Record era were a hot mess. Campagnolo USA published an article to help figure things out:
09-21-20, 07:15 AM
Replies: 16
Views: 306
Posted By JohnDThompson

QUOTE=polymorphself;21704262]Ah, meaning they...

QUOTE=polymorphself;21704262]Ah, meaning they wont work, correct?[/QUOTE]

Stronglight crank arms were marked with thread spec on the back side. "14 x 125" is metric (aka "French") thread; 9/16 x...
09-21-20, 06:37 AM
Replies: 30
Views: 700
Posted By JohnDThompson

The charity shop where I volunteer is 100%...

The charity shop where I volunteer is 100% dependent on donations, so we reuse as much as possible. Cables and housings are generally reusable, with a couple caveats. Frayed cable ends need to be...
09-20-20, 07:00 AM
Replies: 107
Views: 2,746
Posted By JohnDThompson

"Table 4 shows that all categories of bicy- ...

"Table 4 shows that all categories of bicy-
clists traveling against the direction of traffic
flow are at greatly increased risk for accidents—
on average 3.6 times the risk of those traveling...
Forum: Road Cycling
09-19-20, 07:09 PM
Replies: 37
Views: 994
Posted By JohnDThompson

By the tire? No. By the wheel? ...

By the tire?

No.

By the wheel?

Yes.

:innocent:
09-19-20, 05:35 PM
Replies: 35
Views: 782
Posted By JohnDThompson

No, the shell is still fully 3mm thick after...

No, the shell is still fully 3mm thick after reaming; pretty consistent with other threaded shells.
09-19-20, 05:22 PM
Replies: 101
Views: 3,273
Posted By JohnDThompson

It seems the bike would be better described as a...

It seems the bike would be better described as a "tribute" than as a "replica."
09-19-20, 05:06 PM
Replies: 18
Views: 370
Posted By JohnDThompson

1977, IIRC. And the early ones had a...

1977, IIRC.



And the early ones had a cable housing stop built in. From Catalog 15:
09-19-20, 08:28 AM
Replies: 12
Views: 295
Posted By JohnDThompson

A stick-on guide is unlikely to be strong enough...

A stick-on guide is unlikely to be strong enough to act as a cable stop. Look for a clamp-type chainstay cable stop:
...
Forum: Road Cycling
09-19-20, 08:23 AM
Replies: 199
Views: 7,064
Posted By JohnDThompson

That would work if I had a place for the saddle...

That would work if I had a place for the saddle bag. Under the saddle is where the spare tubular tire lives:
Forum: Road Cycling
09-19-20, 08:06 AM
Replies: 199
Views: 7,064
Posted By JohnDThompson

Pocket 1: tools Pocket 2: CO2 inflator and...

Pocket 1: tools
Pocket 2: CO2 inflator and cartridges
Pocket 3: cell phone
Forum: Road Cycling
09-18-20, 04:23 PM
Replies: 199
Views: 7,064
Posted By JohnDThompson

A place to stuff your arm and leg warmers when...

A place to stuff your arm and leg warmers when you get too warm?
09-18-20, 12:11 PM
Replies: 35
Views: 782
Posted By JohnDThompson

I've successfully reamed and tapped Italian...

I've successfully reamed and tapped Italian threads into several Viscount frames. Check your local shops; one may have the Bicycle Research reamer/tap set to do this job.
09-18-20, 07:21 AM
Replies: 32
Views: 577
Posted By JohnDThompson

A 5S spindle is intended for a 70mm shell with a...

A 5S spindle is intended for a 70mm shell with a 37.5mm drive side offset.

Most 70mm cartridges are designed for Italian thread shells, but you say this is off a Raleigh, so Italian thread is...
09-17-20, 07:13 AM
Replies: 11
Views: 416
Posted By JohnDThompson

Seems like a lot of work for something that isn't...

Seems like a lot of work for something that isn't that expensive off the shelf. Unless they're hardened, I suspect they won't last too long in use.
09-16-20, 07:52 PM
Replies: 9
Views: 323
Posted By JohnDThompson

Looks like a "590" there, which is a good thing....

Looks like a "590" there, which is a good thing. 590mm bead seat diameter tires are still widely available. 597mm bead seat tires, less so.
09-16-20, 07:49 PM
Replies: 17
Views: 384
Posted By JohnDThompson

First generation Deore was the so-called "Deer...

First generation Deore was the so-called "Deer Head" group in 1981, and wasn't designed for indexed shifting.
...
09-16-20, 07:38 PM
Replies: 8
Views: 196
Posted By JohnDThompson

SIS indexed shifting didn't come out until 1985,...

SIS indexed shifting didn't come out until 1985, and then only at the Dura-Ace level. It took several years to trickle down to the lower levels. So, I'm voting for 1990.
09-16-20, 07:31 PM
Replies: 11
Views: 326
Posted By JohnDThompson

As do KKT, MKS, Zeus, and probably others. But...

As do KKT, MKS, Zeus, and probably others. But the Gipiemme caps are a close cosmetic match, and fit the same dustcap tool as Campagnolo.
09-16-20, 06:33 PM
Replies: 11
Views: 257
Posted By JohnDThompson

Not the ones I've seen in the charity shop where...

Not the ones I've seen in the charity shop where I volunteer. I'm referring to donated, department-store level bikes. None of them have master links.
09-16-20, 07:35 AM
Replies: 27
Views: 59,090
Posted By JohnDThompson

Zombie thread, but what the heck. Reynolds...

Zombie thread, but what the heck.

Reynolds 501 is a seamed, cold drawn, Chrome-Moly tube.

Reynolds 531 is a seamless, manganese molybdenum tube.
09-16-20, 07:29 AM
Replies: 38
Views: 777
Posted By JohnDThompson

Dura Ace PD7400 Zeus 2000 SunTour Superbe Pro...

Dura Ace PD7400
Zeus 2000
SunTour Superbe Pro
Lyotard mod. 23 "Marcel Berthet"
09-16-20, 07:24 AM
Replies: 11
Views: 257
Posted By JohnDThompson

Yeah. Plenty of modern, low-end front mechs are...

Yeah. Plenty of modern, low-end front mechs are riveted.
09-15-20, 08:33 PM
09-15-20, 09:17 AM
Replies: 30
Views: 760
Posted By JohnDThompson

The headset would need to be seriously...

The headset would need to be seriously mis-adjusted to allow enough space for the balls to fall out. Even the most cursory pre-ride equipment check would catch this.
09-15-20, 09:13 AM
Replies: 30
Views: 760
Posted By JohnDThompson

+1 this. The retainer isn't a bearing surface and...

+1 this. The retainer isn't a bearing surface and doesn't need to be shiny-smooth. Some manufacturers, e.g. Nervar, even used plastic ball retainers.
Showing results 1 to 50 of 1000
 


 
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