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Search: Posts Made By: dddd
Showing results 1 to 50 of 1000
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Forum: Classic & Vintage
04-21-24, 07:12 PM
Replies: 24
Views: 639
Posted By dddd

Many people installed these with the screw tight...

Many people installed these with the screw tight enough that the inner barrel was 100% stationary, while others tightened the screw less, and thus enjoyed a softer return force.

The Suntour Power...
Forum: Classic & Vintage
04-21-24, 04:06 PM
Replies: 11
Views: 347
Posted By dddd

A question worth asking! Around here (Sierra...

A question worth asking!

Around here (Sierra Foothills), one frequently uses both lowest and highest gears, with want for more on both ends!

A super Course might have only a 14t small cog,...
Forum: Classic & Vintage
04-21-24, 02:54 PM
Replies: 11
Views: 347
Posted By dddd

This is usually an easy fix to the worn teeth on...

This is usually an easy fix to the worn teeth on the smallest cog(s).

What is causing slippage isn't so intuitive.

The new chain isn't worn, so the rollers (the parts that actually contact the...
Forum: Classic & Vintage
04-20-24, 03:42 PM
Replies: 14
Views: 349
Posted By dddd

Sounds like a shim for installation on...

Sounds like a shim for installation on French/Metric tubing.

I've always just started with a longer bolt and then refitted the original bolt, same as with most clamps for two-bolt cages.

My...
Forum: Classic & Vintage
04-20-24, 09:12 AM
Replies: 24
Views: 639
Posted By dddd

Actually I think that you are describing these...

Actually I think that you are describing these levers better than me here.

Looking at the diagram more closely and zooming in, not only do I see a larger barrel diameter than I weakly remembered,...
Forum: Classic & Vintage
04-20-24, 01:38 AM
Replies: 24
Views: 639
Posted By dddd

Dbl sort of post, now consolidated ^^^

Dbl sort of post, now consolidated ^^^
Forum: Classic & Vintage
04-20-24, 01:26 AM
Replies: 24
Views: 639
Posted By dddd

I agree with what you just wrote pertaining to...

I agree with what you just wrote pertaining to the mounting screw putting pressure on the (stationary) inner barrel.
And I also agree that the spring clutch exerts a fixed amount of drag (variable...
Forum: Classic & Vintage
04-20-24, 12:02 AM
Replies: 14
Views: 524
Posted By dddd

I really like how the rear-most hex hut...

I really like how the rear-most hex hut stabilizes the screw in the stop plate, to prevent the screw head from slipping past the stop edge.

A small washer could even be added under the screw head...
Forum: Classic & Vintage
04-19-24, 11:43 PM
Replies: 6
Views: 264
Posted By dddd

Yes, the shifting force will be dramatically...

Yes, the shifting force will be dramatically reduced!

If there was a way to add lube with a needle-point applicator to the indexing ring and indexing springs I would put a squirt of motorcycle...
Forum: Classic & Vintage
04-19-24, 11:35 PM
Replies: 5
Views: 279
Posted By dddd

1976 was a good year for the predominant...

1976 was a good year for the predominant "sport-touring" sort of frame geometry, along with generous clearances for wide tires.

Only drivetrains have improved since then, in most respects anyway!...
Forum: Classic & Vintage
04-19-24, 11:27 PM
Replies: 24
Views: 639
Posted By dddd

From my experience, I believe that if tightening...

From my experience, I believe that if tightening the screw changes anything at all pertaining to the one-way friction, that the screw was simply too loose.
I have had them loose enough to where...
Forum: Classic & Vintage
04-19-24, 02:34 PM
Replies: 14
Views: 524
Posted By dddd

One could perhaps tack-weld a spot of metal under...

One could perhaps tack-weld a spot of metal under the hanger to provide the "Campagnolo" stop position, really low and brief heat input this way.

If trying for more throw from the derailer, start...
Forum: Classic & Vintage
04-17-24, 02:39 PM
Replies: 64
Views: 2,790
Posted By dddd

54cm Gitane TDF. First thing was to find a...

54cm Gitane TDF.
First thing was to find a longer seat post and stem, I settled on the 9cm stem shown because it looked old and shiny, lol. The original was just 7 or 8cm.
I can't believe I never...
Forum: Classic & Vintage
04-17-24, 01:50 PM
Replies: 9
Views: 358
Posted By dddd

Pursuit would be track-only, no? I see a derailer...

Pursuit would be track-only, no? I see a derailer braze-on.

But it's a funny bike frame for sure, even without seeing a 24" wheel size fork.
Forum: Classic & Vintage
04-17-24, 01:41 PM
Replies: 86
Views: 3,201
Posted By dddd

Four pounds sounds pretty light for a steel 52cm...

Four pounds sounds pretty light for a steel 52cm bare frame. Was that a women's model by chance?

I never weighed the Peugeot frames, but my brass-brazed lugless PH501 complete bike weighs no more...
Forum: Classic & Vintage
04-17-24, 01:26 PM
Replies: 14
Views: 475
Posted By dddd

Oh, and sometimes a flat-resisting tire liner can...

Oh, and sometimes a flat-resisting tire liner can cause a lot of rolling resistance, depending on the brand (Mr. Tuffy ones have the very lowest rolling resistance, who knew?).

I bought one bike...
Forum: Classic & Vintage
04-17-24, 10:07 AM
Replies: 14
Views: 475
Posted By dddd

Are the brakes perhaps rubbing? This doesn't...

Are the brakes perhaps rubbing? This doesn't always produce tell-tale noise. It's usually caused by either a warped rim or by one side of the brake having more spring tension than the other side,...
Forum: Classic & Vintage
04-17-24, 09:52 AM
Replies: 86
Views: 3,201
Posted By dddd

I think it's safe to say that the last of the...

I think it's safe to say that the last of the high-volume lugged frames persisted as long as they did mostly because of aesthetics along with "long imprinted memories", and of course of existing...
Forum: Classic & Vintage
04-17-24, 09:33 AM
Replies: 14
Views: 475
Posted By dddd

I recently (January 1) bought and started riding...

I recently (January 1) bought and started riding a 1970's Bridgestone Submariner road bike which while quite heavy, was nevertheless far more sluggish feeling than just the weight could explain.

I...
Forum: Classic & Vintage
04-17-24, 09:14 AM
Replies: 86
Views: 3,201
Posted By dddd

This may or may not relate directly to the...

This may or may not relate directly to the original topic, but at some point I believe (in the late '90's?) the loading/strength standards for production frame/fork testing increased sharply, meaning...
Forum: Classic & Vintage
04-17-24, 07:53 AM
Replies: 7
Views: 697
Posted By dddd

Looks like a responsive ride! The newer Judy...

Looks like a responsive ride!

The newer Judy fork (if it's the "Hydra-coil" variant) is one of the best in terms of it's easy serviceability using nothing but some new oil and perhaps a pair of...
Forum: Classic & Vintage
04-09-24, 01:21 PM
Replies: 46
Views: 1,340
Posted By dddd

The high bottom bracket was not universal on CX...

The high bottom bracket was not universal on CX bikes, was apparently there to provide for pedaling briefly with the clips pointing down, not for log-hopping.

Newer designs of course make no...
Forum: Classic & Vintage
04-06-24, 09:02 AM
Replies: 80
Views: 8,974
Posted By dddd

On my Klein Performance with it's 126mm spacing,...

On my Klein Performance with it's 126mm spacing, I used the original wheelset and put a 10s Shimano 12-30t cassette on, retained by a long-threaded 11t lockring that nested into the recess of the 12t...
Forum: Classic & Vintage
04-06-24, 08:26 AM
Replies: 11
Views: 510
Posted By dddd

I've gone over aged anodized parts like stems,...

I've gone over aged anodized parts like stems, even "satin"-finished parts, using polishing compound and with excellent results, but it took a lot of polishing effort (pressure and repetition).

I...
Forum: Classic & Vintage
04-04-24, 09:26 AM
Replies: 65
Views: 3,030
Posted By dddd

Yes, Ofmega and with Universal brakes, plus the...

Yes, Ofmega and with Universal brakes, plus the Campag gearshift ensemble (sort of as on my Bianchi Nuovo Racing circa ~1981).

I'd guessed the production numbers were higher, but perhaps the...
Forum: Classic & Vintage
03-30-24, 07:10 PM
Replies: 25
Views: 814
Posted By dddd

That one would be fun to actually measure. ...

That one would be fun to actually measure.

There are at least three "steps" outward starting with the step on the smallest cog itself, then with what looks like two more larger steps on the body...
Forum: Classic & Vintage
03-30-24, 12:24 AM
Replies: 59
Views: 2,854
Posted By dddd

https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/1024x768/12176486563_02c1cd6796_b_e5adb20c003f1ef4afb690a51af03c609e050e55.jpg...
Forum: Classic & Vintage
03-29-24, 10:32 PM
Replies: 65
Views: 3,030
Posted By dddd

Racers as well as racer wanna-bees with money...

Racers as well as racer wanna-bees with money insisted on Campagnolo well into the 80's, and Campag-equipped Japanese bikes like the top-end Lotus I came across were made in small numbers.

It's...
Forum: Classic & Vintage
03-29-24, 10:03 PM
Replies: 25
Views: 814
Posted By dddd

I can tell you that their 5s hubs kept the axle...

I can tell you that their 5s hubs kept the axle extension short enough to prevent use of even an Ultra-6 freewheel, and that some slightly longer examples were probably intended for Ultra-6 because...
Forum: Classic & Vintage
03-29-24, 08:39 PM
Replies: 25
Views: 814
Posted By dddd

The needed clearance depends further on the...

The needed clearance depends further on the diameter of the smallest cog, as well as the width of the chain.

In the normal course of spacing rear axles, I generally find that a minimum of 3 to...
Forum: Classic & Vintage
03-28-24, 04:52 PM
Replies: 13
Views: 363
Posted By dddd

^^This kind of jibes with my own experience...

^^This kind of jibes with my own experience trying many (including 9s) chains on my Peugeot PH501.

The Sedisport chain is the correct one and I found none that worked quite as well.

The...
Forum: Classic & Vintage
03-28-24, 12:36 AM
Replies: 15
Views: 589
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...
Forum: Classic & Vintage
03-24-24, 07:28 PM
Replies: 15
Views: 589
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,...
Forum: Classic & Vintage
03-21-24, 04:52 PM
Replies: 41
Views: 1,564
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...
Forum: Classic & Vintage
03-16-24, 09:07 PM
Replies: 74
Views: 2,667
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.
Forum: Classic & Vintage
03-15-24, 08:42 PM
Replies: 74
Views: 2,667
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...
Forum: Classic & Vintage
03-15-24, 04:28 PM
Replies: 74
Views: 2,667
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. ...
Forum: Classic & Vintage
03-11-24, 11:53 PM
Replies: 74
Views: 2,667
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?
Forum: Classic & Vintage
03-11-24, 11:48 PM
Replies: 74
Views: 2,667
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...
Forum: Classic & Vintage
03-11-24, 03:57 PM
Replies: 74
Views: 2,667
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...
Forum: Classic & Vintage
03-11-24, 12:41 AM
Replies: 74
Views: 2,667
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...
Forum: Classic & Vintage
03-10-24, 11:14 PM
Replies: 20
Views: 517
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.
Forum: Classic & Vintage
03-10-24, 10:54 PM
Replies: 74
Views: 2,667
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...
Forum: Classic & Vintage
03-10-24, 04:16 PM
Replies: 74
Views: 2,667
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...
Forum: Classic & Vintage
03-07-24, 10:28 AM
Replies: 13
Views: 463
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....
Forum: Classic & Vintage
03-07-24, 10:13 AM
Replies: 21
Views: 1,179
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...
Forum: Classic & Vintage
03-06-24, 07:30 PM
Replies: 32
Views: 2,581
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...
Forum: Classic & Vintage
03-06-24, 07:08 PM
Replies: 13
Views: 463
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!
Forum: Classic & Vintage
03-06-24, 04:40 PM
Replies: 13
Views: 3,105
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...
Forum: Classic & Vintage
03-06-24, 04:15 PM
Replies: 19
Views: 819
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.
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