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Search: Posts Made By: dddd
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03-28-24, 12:36 AM
Replies: 15
Views: 458
Posted By dddd

Are you referring to the black "collar" on the...

Are you referring to the black "collar" on the pedals, the pictured bottom bracket or perhaps the "Nico and Shimano hubs" that I quote the OP as having initially mentioned?

The black collar on the...
03-24-24, 07:28 PM
Replies: 15
Views: 458
Posted By dddd

The collars came into being mainly because of the...

The collars came into being mainly because of the oversized frame tubing that started being used for seat tubes, in conjunction with triple chainrings.

If the crankarm settles inward far enough,...
03-21-24, 04:52 PM
Replies: 35
Views: 860
Posted By dddd

It is quite the jolt seeing all of the needed...

It is quite the jolt seeing all of the needed hard-to-find hoods suddenly available at reasonable prices!

I've been needing the AX hoods for almost a decade now!

This should increase the market...
03-16-24, 09:07 PM
Replies: 74
Views: 2,222
Posted By dddd

The E and LE that I acquired do have similar...

The E and LE that I acquired do have similar steep angles, though the LE is a 60cm and the fancy-lug E is a 56cm size. Both are from around 1974 as I recall.
03-15-24, 08:42 PM
Replies: 74
Views: 2,222
Posted By dddd

I was perhaps confusing your post with BluePX10's...

I was perhaps confusing your post with BluePX10's post, but your 55cm top tube actually exists together with the steep angles.
Not too surprising as the steeper seat tube extends the front-center...
03-15-24, 04:28 PM
Replies: 74
Views: 2,222
Posted By dddd

The LE bikes had 75+ degree frame angles in all...

The LE bikes had 75+ degree frame angles in all but perhaps the smallest frame size(s) offered.
The 73.5-degree angles would be from the late-70's period following the mid-70's Thevenet/LE period. ...
03-11-24, 11:53 PM
Replies: 74
Views: 2,222
Posted By dddd

Thanks for the higher-res photo. What is the red...

Thanks for the higher-res photo. What is the red decal on the top tube near the head tube?
03-11-24, 11:48 PM
Replies: 74
Views: 2,222
Posted By dddd

Your rear derailer looks a bit too vertical for...

Your rear derailer looks a bit too vertical for being in the big ring, but perhaps your chain length is sized for possible later use of a 28t freewheel?

You're right about what I had said about...
03-11-24, 03:57 PM
Replies: 74
Views: 2,222
Posted By dddd

These particular mid-70's Peugeot's seem to be a...

These particular mid-70's Peugeot's seem to be a good example of this unusual approach to geometry.
Normally, the head tube angle gets kicked out, and seat tube steepened, on frames smaller than...
03-11-24, 12:41 AM
Replies: 74
Views: 2,222
Posted By dddd

Yes, I have two of the PX10's from the 1973-1975...

Yes, I have two of the PX10's from the 1973-1975 era, a 56cm and a 60cm. Both have similar measured angles, but different lug styles. The 56cm is a PX10E and the 60cm is a PX10LE.
Both are pictured...
03-10-24, 11:14 PM
Replies: 20
Views: 437
Posted By dddd

Really clear to see what's going on gap-wise with...

Really clear to see what's going on gap-wise with your four photos!
:thumb:

I always liked how the dual-sprung rear derailers helped maintain a more consistent chain gap, all else seeming equal.
03-10-24, 10:54 PM
Replies: 74
Views: 2,222
Posted By dddd

I considered the 58.5cm to be much longer than...

I considered the 58.5cm to be much longer than the 56 (oops, it's actually 57cm) of my own 56cm PX10 from this era.

I'm thinking that these "team replica" kinds of geometry was provided with the...
03-10-24, 04:16 PM
Replies: 74
Views: 2,222
Posted By dddd

The issue with longer-than-normal (for production...

The issue with longer-than-normal (for production frames) top tubes can be because of the need for toe clearance, but only on smaller frame sizes.

Since a 75+ degree head tube angle combined with...
03-07-24, 10:28 AM
Replies: 13
Views: 416
Posted By dddd

For what it is, the chart's ok I guess, just that...

For what it is, the chart's ok I guess, just that it seems like it perhaps validates optimistic assumptions of how much torque can really be applied, leading to the dreaded stripped-out socket heads....
03-07-24, 10:13 AM
Replies: 21
Views: 1,034
Posted By dddd

Nice deal! Is it possible that merely...

Nice deal!

Is it possible that merely connecting the stiff cable housing and tightening the B-tension will restore the proper angle of the rear derailer?

Or maybe the B-screw is bent off...
03-06-24, 07:30 PM
Replies: 32
Views: 2,469
Posted By dddd

I noticed from the photos that these bike's...

I noticed from the photos that these bike's cables are wound counter-clockwise, like Campagnolo, unlike all of the rest of the world's cables.

It always throws me when working on bikes with such...
03-06-24, 07:08 PM
Replies: 13
Views: 416
Posted By dddd

Be careful with that colored conversion chart, it...

Be careful with that colored conversion chart, it has a mistake or two not to mention that you would strip a 1/8" socket with a 3mm hex key and the 1/8" key wouldn't even fit in a 3mm socket!
03-06-24, 04:40 PM
Replies: 13
Views: 3,047
Posted By dddd

If there is even a half inch of clearance up to...

If there is even a half inch of clearance up to the bottom of the fork crown, then a 559mm wheel and tire might work ok, possibly needing a shorter-reach caliper however.

This assuming that the...
03-06-24, 04:15 PM
Replies: 19
Views: 731
Posted By dddd

Very cool find(!), nice chrome, nice color and I...

Very cool find(!), nice chrome, nice color and I can't wait to see what the other bike is.
03-06-24, 03:10 AM
Replies: 20
Views: 540
Posted By dddd

I've got the same AD-SLE bike in a 23" size, same...

I've got the same AD-SLE bike in a 23" size, same color.

My bike's Huret components date from late 1977 (49th and 50th weeks), and my brake levers are dated 1/77.

My bike's serial # is...
03-05-24, 09:38 PM
Replies: 37
Views: 1,424
Posted By dddd

It does appear that he squats down for the shift,...

It does appear that he squats down for the shift, but he perhaps does it so (or too) quick/abrupt that one can't be sure to what if any degree that his veering into Claude were perhaps intentional...
03-05-24, 09:16 PM
Replies: 25
Views: 1,481
Posted By dddd

Great find. I kind of worry about coming...

Great find.

I kind of worry about coming across a collection like this one, becoming the steward of yet more bikes..
03-03-24, 06:13 PM
Replies: 7
Views: 250
Posted By dddd

As far as the cone self-tightening, you're right...

As far as the cone self-tightening, you're right that it doesn't matter, because no precession is involved.

Precession of threaded parts occurs when one threaded part rolls around inside of...
03-03-24, 05:03 PM
Replies: 38
Views: 1,306
Posted By dddd

I'm recalling Masi and the term "fenestrated"...

I'm recalling Masi and the term "fenestrated" applied to chainstays with such lined openings, this from decades-old discussions on the CR List.

Definitely a higher-effort build.
03-03-24, 04:45 PM
Replies: 37
Views: 1,424
Posted By dddd

I never thought of this idea, and as such I can't...

I never thought of this idea, and as such I can't remember ever trying to pull it off for whatever circumstance that presented itself.

What I learned to was to shift in sync with my dropping...
03-02-24, 04:03 PM
Replies: 7
Views: 250
Posted By dddd

Heat will expand the hubshell, perhaps enough for...

Heat will expand the hubshell, perhaps enough for the cup to fall out.

Then just a matter of sourcing another cup from a discarded wheel perhaps.

I wouldn't expect a built wheel to run...
03-02-24, 12:39 PM
Replies: 9
Views: 394
Posted By dddd

Maybe this one? It fits the very first splined...

Maybe this one? It fits the very first splined Shimano freewheels, and maybe just because it's early, it's not hollow like the similar one pictured above far right.
...
03-02-24, 12:00 PM
Replies: 9
Views: 394
Posted By dddd

One thing about replacing (or not replacing)...

One thing about replacing (or not replacing) lower-tier cranksets;
I have come to really like cranksets having a pants leg protector ring. I sometimes go to some length getting such rings to run...
03-02-24, 01:55 AM
Replies: 9
Views: 394
Posted By dddd

Are you needing to remove the cups in order to...

Are you needing to remove the cups in order to replace them with normal parts?

If so, you could use a piece of 1/4" steel flat stock to turn the cups out after cutting or grinding opposing notches...
02-29-24, 10:25 AM
Replies: 37
Views: 1,387
Posted By dddd

One thing to keep in mind is that musical...

One thing to keep in mind is that musical instruments and to a lesser degree car body panels are not made from high-strength, cold-worked steel, which takes a lot more force to restore, and is a lot...
02-28-24, 08:18 PM
Replies: 44
Views: 7,674
Posted By dddd

Awesome, all these years later! Time flies,...

Awesome, all these years later!

Time flies, does it not?
02-28-24, 08:01 PM
Replies: 37
Views: 1,387
Posted By dddd

Using cable and housing to both actuate the...

Using cable and housing to both actuate the device and to act as a handle for getting it into the right spot along the tube, no problem with having to turn any bolt.

As for the vent hole in the...
02-26-24, 09:54 PM
Replies: 37
Views: 1,387
Posted By dddd

Could some sort of "device" be fed up the...

Could some sort of "device" be fed up the downtube through the bottom bracket opening?

I'm imagining a piece of tubing, cut in two, about an inch long, with a cone wedge in each end.

Connected...
02-26-24, 04:18 PM
Replies: 9
Views: 562
Posted By dddd

Simplex chainwheels and freewheels made in France...

Simplex chainwheels and freewheels made in France existed up into the 6-speed era, but of course these new freewheels are based on Asian designs, and made in Asian factories.
...
02-26-24, 11:41 AM
Replies: 9
Views: 562
Posted By dddd

The bike industry has a very long history of...

The bike industry has a very long history of periodic huge swings of fortune, and the industry now seems affected by the wave caused by supply-chain issues a couple of years back.

Industry...
02-25-24, 04:59 PM
Replies: 27
Views: 750
Posted By dddd

I haven't messed with any five-speed cassette...

I haven't messed with any five-speed cassette hubs, but on a similar model six-speed Uniglide cassette hub, I found that trying to use a 7s cassette didn't give near enough threaded engagement for...
02-24-24, 02:30 PM
Replies: 17
Views: 696
Posted By dddd

Good to know that you so quickly found and...

Good to know that you so quickly found and utilized the Temu alloy lockrings that I had raved about!

This modded freewheel won't likely fit on a traditional 5s Phil freewheel hub though. I have...
02-24-24, 02:09 PM
Replies: 17
Views: 696
Posted By dddd

A solid 10mm axle does expand the boundaries of...

A solid 10mm axle does expand the boundaries of load limits of whatever combination of freewheel and unsupported axle length one happens to be wanting to use.

On my Huffy "mid-fat" mtb I found...
02-23-24, 10:29 PM
Replies: 6
Views: 299
Posted By dddd

Were the Conti tubes perhaps a little wider in...

Were the Conti tubes perhaps a little wider in the uninflated state?

Tubes stretch to fill a mounted tire, quite a bit actually.

But a stretched tube wall will produce a bigger hole after being...
02-23-24, 09:04 PM
Replies: 17
Views: 696
Posted By dddd

Thanks for the comments, I too find lots of bent,...

Thanks for the comments, I too find lots of bent, even broken axles on the bikes I work on.

Prior to this project, I've always re-done the axle spacing on most bikes that I ride.
Seems like the...
02-23-24, 06:46 PM
Replies: 17
Views: 696
Posted By dddd

Modern custom Ultra-9 freewheel build.

Freewheels are alive and well in 2023!

Having noticed that freewheels with ever greater numbers of speeds have become available for E-bikes, I began to ponder modifying one of them to a narrower...
02-19-24, 10:18 PM
Replies: 339
Views: 158,948
Posted By dddd

The Kendas wouldn't be original, so it matters...

The Kendas wouldn't be original, so it matters not what the original tires were, since you can't buy them.

The Canadian-Market 1976 Bridgestone Submariner I bought at Goodwill on January 1 still...
02-19-24, 09:59 PM
Replies: 50
Views: 2,656
Posted By dddd

By 1971, the SS fork had an Asian-looking "T"...

By 1971, the SS fork had an Asian-looking "T" symbol stamped on the steerer, making me wonder if perhaps the fork was indeed contract-built in Japan.

Might have been a baby-step prior to the later...
02-19-24, 05:45 PM
Replies: 339
Views: 158,948
Posted By dddd

I worked at a Fuji dealer around that time, I'm...

I worked at a Fuji dealer around that time, I'm remembering Mitsuboshi Silver Star on some of the sport-touring models.

But the Royale being fairly heavy and still having 27" rims, possibly...
02-19-24, 05:34 PM
Replies: 16
Views: 631
Posted By dddd

I've done the 27-to-700c change on a 1984 720...

I've done the 27-to-700c change on a 1984 720 having Shimano MC70 canti's.

What I encountered was a bit complex, and the braking leverage/power increased quite noticeably.

Rim width is a...
02-18-24, 04:37 PM
Replies: 26
Views: 696
Posted By dddd

I believe there are other high-end hubs using the...

I believe there are other high-end hubs using the .75-pitch threading made by Maillard, not just Helicomatic!

And Roval hubs had that threading too, the hubs being made by Maillard.

I do recall...
02-17-24, 11:05 PM
Replies: 79
Views: 2,129
Posted By dddd

That bike looks practically un-used, the kind of...

That bike looks practically un-used, the kind of bike that responds readily to a simple "oil-can tune-up" of the sort that I perform almost weekly on one bike or the next.
Don't forget to oil up the...
02-17-24, 10:53 PM
Replies: 5
Views: 651
Posted By dddd

I found one of the more-common XT-equipped...

I found one of the more-common XT-equipped versions of this bike in great condition for small money a few years back, and reading the geometry spec's of it had me rushing out to the garage hoping...
02-17-24, 06:58 PM
Replies: 10
Views: 522
Posted By dddd

Does your observation have to do with 1-3/8"...

Does your observation have to do with 1-3/8" being slightly smaller than 35mm, or is it a different factor such as the thread angle?

I've been using a proper SAE/Metric thread gauge over the last...
02-16-24, 03:46 PM
Replies: 67
Views: 2,214
Posted By dddd

Lots of good tips so far! Glue must be...

Lots of good tips so far!

Glue must be completely dry or will not give good adhesion.

I abrade pretty deeply, until a consistent flat-black appears. A lot of work.

I apply the glue with...
Showing results 1 to 50 of 1000
 


 
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