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Search: Posts Made By: dddd
Showing results 1 to 50 of 850
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Forum: Classic & Vintage
04-09-24, 01:21 PM
Replies: 46
Views: 1,247
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
03-30-24, 07:10 PM
Replies: 25
Views: 762
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: 2,714
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, 10:03 PM
Replies: 25
Views: 762
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: 762
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: 329
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
03-15-24, 08:42 PM
Replies: 74
Views: 2,517
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
03-11-24, 12:41 AM
Replies: 74
Views: 2,517
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, 10:54 PM
Replies: 74
Views: 2,517
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: 2,517
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: 453
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
03-06-24, 07:08 PM
Replies: 13
Views: 453
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, 03:10 AM
Replies: 20
Views: 663
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...
Forum: Classic & Vintage
03-05-24, 09:16 PM
Replies: 25
Views: 1,619
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..
Forum: Classic & Vintage
03-03-24, 04:45 PM
Replies: 37
Views: 1,554
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...
Forum: Classic & Vintage
02-29-24, 10:25 AM
Replies: 37
Views: 1,475
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...
Forum: Classic & Vintage
02-24-24, 02:30 PM
Replies: 17
Views: 754
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...
Forum: Classic & Vintage
02-23-24, 09:04 PM
Replies: 17
Views: 754
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...
Forum: Classic & Vintage
02-23-24, 06:46 PM
Replies: 17
Views: 754
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...
Forum: Classic & Vintage
02-19-24, 05:34 PM
Replies: 16
Views: 699
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...
Forum: Classic & Vintage
02-17-24, 11:05 PM
Replies: 79
Views: 2,417
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...
Forum: Classic & Vintage
02-17-24, 10:53 PM
Replies: 5
Views: 713
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...
Forum: Classic & Vintage
02-14-24, 01:19 AM
Replies: 49
Views: 2,011
Posted By dddd

Exactly! The key to finding truly great...

Exactly!

The key to finding truly great deals is to know what you like and what might be worth flipping, then go out with an open mind.

The great bike deals can often be on bikes you've never...
Forum: Classic & Vintage
02-11-24, 04:36 PM
Replies: 33
Views: 1,168
Posted By dddd

I also find the Corsa 2.0 tires to be quite...

I also find the Corsa 2.0 tires to be quite supple and grippy on rougher, steeper technical descents down into the American River Canyon.

Though these bikes hardly need softer tires, I am eager to...
Forum: Classic & Vintage
02-11-24, 04:29 PM
Replies: 33
Views: 1,168
Posted By dddd

Very sharp-looking build, did you replace the...

Very sharp-looking build, did you replace the decals?

My own Merckx EX has a carbon fork that I suspect is as stiff as a typical steel fork. The ride is forgiving though, as these EX models...
Forum: Classic & Vintage
02-11-24, 04:06 PM
Replies: 7
Views: 384
Posted By dddd

Perhaps my favorite freewheel ever, identically...

Perhaps my favorite freewheel ever, identically dimensioned to the rarer Sante MF-5000 freewheel.

One particular "gray" spacer pictured above has a stepped/tapered OD, so it extends past the OD of...
Forum: Classic & Vintage
02-11-24, 03:36 PM
Replies: 6
Views: 325
Posted By dddd

That reminds me of the late 1980's, I had a Trek...

That reminds me of the late 1980's, I had a Trek 720 and a Cannondale R300.

The Cannondale was predictably stiff, responsive and competent.

The Trek had oodles more compliance and handled...
Forum: Classic & Vintage
02-06-24, 07:37 PM
Replies: 339
Views: 159,646
Posted By dddd

Well, it's been eight months since anyone (me)...

Well, it's been eight months since anyone (me) posted to this former "sticky" thread.

I had been looking for fatter, treaded rubber for my New-Years Day Bridgestone submariner that has been seeing...
Forum: Classic & Vintage
02-05-24, 12:10 PM
Replies: 20
Views: 656
Posted By dddd

I have heard of at least one instance of a Zeus...

I have heard of at least one instance of a Zeus frame having a Swiss-threaded bb shell, but I didn't see it with my own eyes.

And of course any frames from Switzerland.

My own PX10 Super...
Forum: Classic & Vintage
02-05-24, 01:05 AM
Replies: 33
Views: 30,879
Posted By dddd

The bikes made with the cast aluminum lugs are...

The bikes made with the cast aluminum lugs are indeed very heavy, Mine (admittedly a low-end, Canadian Tire Supercycle-branded model, even the hubs and brakes/levers were entirely of steel) weighed...
Forum: Classic & Vintage
01-30-24, 05:25 PM
Replies: 13
Views: 751
Posted By dddd

I've got lots of sockets and closed-end wrenches...

I've got lots of sockets and closed-end wrenches that I've "squared" over the years, usually on the belt sander.
Similar situation with the lo-profile chainring bolt heads on some steel cottered...
Forum: Classic & Vintage
01-28-24, 12:01 AM
Replies: 6
Views: 261
Posted By dddd

If it comes up short, you can position the cable...

If it comes up short, you can position the cable to the other side of the pinch bolt, which will alter the actuation (pull ratio) of the rear derailer, getting more cage motion for less lever...
Forum: Classic & Vintage
01-27-24, 11:51 PM
Replies: 9
Views: 696
Posted By dddd

I can see why this wouldn't be the lightest...

I can see why this wouldn't be the lightest half-753 frame, nor the heaviest.

What I remember about this 753 model is that they were able to sell it in 1991 equipped with full Dura-Ace STI, for...
Forum: Classic & Vintage
01-25-24, 10:03 PM
Replies: 9
Views: 696
Posted By dddd

I think that there is a labor savings, and...

I think that there is a labor savings, and much-simpler to assure accurate frame dimensions/alignment with this bonded approach.

The same also applies to other bonded frames of course.
Forum: Classic & Vintage
01-23-24, 05:55 PM
Replies: 16
Views: 668
Posted By dddd

That handlebar "finishing tape" is indeed tough...

That handlebar "finishing tape" is indeed tough stuff, I've used it on used bikes that had scraped-up top tubes and it takes a lot of rough contact.
...
Forum: Classic & Vintage
01-23-24, 05:43 PM
Replies: 14
Views: 750
Posted By dddd

20-20 hindsight at this point, and of course...

20-20 hindsight at this point, and of course chains got better since Accushift was around, my exception to the above rule is to always use Shimano 9s chain with Accu-7 freewheels.

And with...
Forum: Classic & Vintage
01-23-24, 01:22 AM
Replies: 1,910
Views: 103,850
Posted By dddd

In the case of racing bikes, the headtube angle...

In the case of racing bikes, the headtube angle being much steeper, the straighter fork lending greater trail is needed, because the steep headtube reduces the trail.

The above two factors serve...
Forum: Classic & Vintage
01-23-24, 12:17 AM
Replies: 1,910
Views: 103,850
Posted By dddd

No worries, the Huffente is in good hands. I...

No worries, the Huffente is in good hands.

I do question the motivation of reducing the fork rake, which will increase trail, making the steering yet more resistant to the rider's effecting any...
Forum: Classic & Vintage
01-22-24, 06:25 PM
Replies: 14
Views: 750
Posted By dddd

I've found over the years that Shimano hubs can...

I've found over the years that Shimano hubs can be maintenance-free, especially at the higher levels, Ultegra/XT and above.

Having grease churning with no air space around the balls may prevent...
Forum: Classic & Vintage
01-20-24, 12:17 PM
Replies: 13
Views: 360
Posted By dddd

I don't think that style of bearing puller will...

I don't think that style of bearing puller will grab the outer race with any real force, even under normal circumstances I often need to jam a wedge of some sort between the jaws.

Heat will work,...
Forum: Classic & Vintage
01-20-24, 12:27 AM
Replies: 74
Views: 2,517
Posted By dddd

By 1979, the PX10 Super Competition model as well...

By 1979, the PX10 Super Competition model as well as the lower-tier PH501 and so on had been given a contemporary geometry around 74x73.5 degrees in the 57cm size, roughly in between the pre-'73 and...
Forum: Classic & Vintage
01-19-24, 07:40 PM
Replies: 74
Views: 2,517
Posted By dddd

I believe that the suitability of the frame...

I believe that the suitability of the frame geometry will depend on yet more variables, such as a longer torso/arms proportion perhaps(?).

That is the opposite of my own proportions, yet I have...
Forum: Classic & Vintage
01-19-24, 02:00 PM
Replies: 16
Views: 989
Posted By dddd

It depends on the chain and on the particular...

It depends on the chain and on the particular quick-link. There are differences between chain and link brands of the width of the inner link, such that KMC actually sells two different widths of...
Forum: Classic & Vintage
01-19-24, 04:30 AM
Replies: 74
Views: 2,517
Posted By dddd

The pictured bike looks like a PX10LE, which I...

The pictured bike looks like a PX10LE, which I believe went into production alongside a revised PX10E in 1973. Both models had similar geometry.

I have a couple of PX10's from that mid-70's era...
Forum: Classic & Vintage
01-17-24, 11:14 PM
Replies: 52
Views: 2,241
Posted By dddd

The Epic and (similarly Giant-built) Cadex frames...

The Epic and (similarly Giant-built) Cadex frames had no metal core tube, but the Epic lugs did actually bond to both the inside and the outside of the carbon tubes, allowing shorter lug sockets.
...
Forum: Classic & Vintage
01-16-24, 10:49 PM
Replies: 52
Views: 2,241
Posted By dddd

I had a Bridgestone RADAC, and it's only issue...

I had a Bridgestone RADAC, and it's only issue was a shift boss that I recall having to rivet back on.

And then on New Years Day, at Goodwill, for $14.95, I found this one below, a Bridgestone...
Forum: Classic & Vintage
01-16-24, 10:43 AM
Replies: 16
Views: 989
Posted By dddd

The above-referenced chain is an old-fashioned...

The above-referenced chain is an old-fashioned bushed-construction chain that would not be known for the lighter weight and quieter running at normal chain-crossing angles afforded by modern,...
Forum: Classic & Vintage
01-03-24, 01:42 PM
Replies: 13
Views: 575
Posted By dddd

Did Murray produce any other bikes having the...

Did Murray produce any other bikes having the OP's bike's particular joinery features? I too mistook it for some sort of Steyr-built product.

I can remember the Sears catalogs, when "Sear's Best"...
Forum: Classic & Vintage
01-03-24, 01:10 PM
Replies: 5
Views: 470
Posted By dddd

Before Avanti, Xenon Synchro-7 was the...

Before Avanti, Xenon Synchro-7 was the entry-level group, and performed quite well as described in the article, though the article's comparison with (albeit similarly painted) Ultegra is kind of...
Forum: Classic & Vintage
01-01-24, 07:09 PM
Replies: 196
Views: 10,783
Posted By dddd

I just love that my Titanium Litespeed hasn't got...

I just love that my Titanium Litespeed hasn't got one paint scratch even after 18 years!

And it's not whippy, either. One of my best-descending bikes, frame and original crabon fork perform well....
Showing results 1 to 50 of 850
 
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