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Search: Posts Made By: dddd
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05-15-21, 10:11 AM
Replies: 7
Views: 217
Posted By dddd

The chain gap distance from the pulley to the cog...

The chain gap distance from the pulley to the cog teeth does not look unusual or too close to me.

Will it not shift and run quietly if you were to tighten the lo-limit screw a bit?

If the...
05-14-21, 11:47 PM
Replies: 3
Views: 138
Posted By dddd

Your 6-speed Uniglide freewheel should work...

Your 6-speed Uniglide freewheel should work quietly with any modern 7-8s chain.

Although Shimano went on making 6s freewheels, they stopped supplying the older wider chains since their 7-8s "UG...
05-11-21, 12:38 PM
Replies: 18
Views: 500
Posted By dddd

If I'm not mistaken, Shimano's freehub axles use...

If I'm not mistaken, Shimano's freehub axles use CrMo steel for the Ultegra and Dura-Ace level hubs as well as the XT hubs.
I've collected a lot of these from discarded wheels from the shop.

One...
05-10-21, 11:46 PM
Replies: 31
Views: 915
Posted By dddd

Exactly! You can see the generous bend in the...

Exactly! You can see the generous bend in the fork legs in this view, indicating it's pre-1973 (on the Peugeot calendar).
05-10-21, 11:07 AM
Replies: 31
Views: 915
Posted By dddd

Still waiting for possible straight-on side view...

Still waiting for possible straight-on side view of those bikes.

The frame geometry of a '75 vs. '71 PX10 will be obvious there, since the frame angles went a full three degrees steeper from 72 to...
05-10-21, 12:20 AM
Replies: 14
Views: 419
Posted By dddd

I remember reading a road test from back then...

I remember reading a road test from back then where it was stated that Miyata's triple-butted tubing was unusually thick and heavy in some locations of the frame.

Reinforcing that is the fact that...
05-07-21, 10:38 AM
Replies: 14
Views: 425
Posted By dddd

I guess this has become the thread where I should...

I guess this has become the thread where I should mention that, for most cases of a deformed seat tube opening (especially where the ears have gotten pinched in too far to rest parallel with...
05-06-21, 09:54 AM
Replies: 14
Views: 425
Posted By dddd

I use a half-round file for smoothing defects...

I use a half-round file for smoothing defects from the inside of the seat tube.

The radius often matches the tube ID perfectly for getting a nice, round ID.
05-06-21, 09:50 AM
Replies: 4
Views: 182
Posted By dddd

I wouldn't worry as much about breakage when...

I wouldn't worry as much about breakage when you're running the saddle near full forward in the seatpost head clamp/cradle.

It's more the bigger riders who run the saddle rearward in the clamp...
Replies: 18
Views: 662
Posted By dddd

You're right. Almost always the case that if...

You're right. Almost always the case that if someone has to ask, it's NOT a PX10.

I'm wondering how many buyers have been told by the seller that they "think" or "were told" the bike being sold...
05-03-21, 12:49 PM
Replies: 4
Views: 229
Posted By dddd

I had one of those, in the orange color. It was...

I had one of those, in the orange color. It was mostly a good bike before it got stolen from the NCSU library bike rack. My concave rims had sharp burrs inside from where the factory trimmed the...
05-03-21, 12:38 AM
Replies: 3
Views: 199
Posted By dddd

Even the Jagwire Basics pads are quite decent, I...

Even the Jagwire Basics pads are quite decent, I buy quantities of them for my own bikes and for my flips.

Good, safe braking and no excess of noise at all so far.
05-02-21, 03:48 PM
Replies: 31
Views: 749
Posted By dddd

I think what was meant was the splines IN the...

I think what was meant was the splines IN the freewheel that are to the outside of the TOOL, lol.

And for any stubborn threaded nut on an axle, whether it's a locknut, cone or axle nut, there are...
05-02-21, 03:20 PM
Replies: 6
Views: 173
Posted By dddd

I bought those same solid high flange hubs new in...

I bought those same solid high flange hubs new in the box at a bike swap meet. Mine were 40h and I was able to easily change the solid 10mm threaded axle out for a QR axle and also narrowed the...
05-01-21, 02:55 PM
Replies: 24
Views: 394
Posted By dddd

Sounds like the flats may be rounded in the lever...

Sounds like the flats may be rounded in the lever piece(?).
05-01-21, 12:19 PM
Replies: 14
Views: 407
Posted By dddd

Very interesting, looks to have a PH501 level...

Very interesting, looks to have a PH501 level tubeset and fork, and with an interesting combination of construction features to say the least.

I would have never guessed 1988!

I'd be itching to...
05-01-21, 12:04 PM
Replies: 15
Views: 421
Posted By dddd

Can you post a picture or link to the exact...

Can you post a picture or link to the exact crankset?

Re-threading is imo a machine-shop operation, due to the need for keeping the pedal axis perfectly parallel with the bottom bracket axis.
...
05-01-21, 11:16 AM
Replies: 12
Views: 376
Posted By dddd

OP mentioned comfort as a priority, so a bigger...

OP mentioned comfort as a priority, so a bigger tire can be run safely at a much lower pressure to give a softer ride.

But the pressure aspect is more important here than one might imagine, since...
04-28-21, 01:11 PM
Replies: 16
Views: 411
Posted By dddd

Perhaps you misspoke as to the cog spacing of...

Perhaps you misspoke as to the cog spacing of Dura-Ace freewheels and cassettes, which is identical to other Shimano freewheels/cassettes having the same # of speeds.
Not really relevant to this...
04-28-21, 12:53 PM
Replies: 4
Views: 165
Posted By dddd

Perhaps a more robust, off-brand circlip might...

Perhaps a more robust, off-brand circlip might extend this mech's service life?

Could it be fitted to the frame with a thicker (rear axle) washer replacing the circlip to hold everything in place...
04-28-21, 12:48 PM
Replies: 23
Views: 595
Posted By dddd

Check carefully for any bent chain links (viewed...

Check carefully for any bent chain links (viewed from above) or stiff link pivots (viewed from the side), either of which can cause slippage or downright unshipping of the chain off the sprocket.
...
04-27-21, 11:29 AM
Replies: 7
Views: 651
Posted By dddd

Thanks Matt and others for this info!

Thanks Matt and others for this info!
04-27-21, 11:17 AM
Replies: 16
Views: 411
Posted By dddd

A worn chainring that is worn much more than the...

A worn chainring that is worn much more than the pictured chainrings usually still won't skip, but may give a rumbling feel under harder pedaling.

The chainring teeth engage the chain under full...
04-24-21, 03:57 PM
Replies: 8
Views: 447
Posted By dddd

I was curious about the tested PY10's frame...

I was curious about the tested PY10's frame angles, which I would presume to be at least a year ahead of the lesser production PX10LE.

Aligning parallel edges of an envelope in front of my PC...
04-24-21, 02:59 PM
Replies: 36
Views: 1,148
Posted By dddd

Did you perhaps run a freewheel hub on it ever? ...

Did you perhaps run a freewheel hub on it ever?

People tend to worry about freewheel hub's fragile axles, but the bigger problem can be all of the added stress that the flexing axle imposes on the...
04-24-21, 10:20 AM
Replies: 43
Views: 1,367
Posted By dddd

Looking at the cumulative effect of all the...

Looking at the cumulative effect of all the deleterious friction and elasticity that goes on between the shift lever and the derailer, it makes a huge difference when old-style cable housings are...
04-23-21, 10:32 PM
Replies: 43
Views: 1,367
Posted By dddd

I would expect the stainless cable riding in...

I would expect the stainless cable riding in un-lined stainless housing to be particularly sticky, not to mention the primitive housing's notorious compressibility.

The amount of motion error...
04-23-21, 11:08 AM
Replies: 6
Views: 204
Posted By dddd

At the very least you'll want to run a SOLID rear...

At the very least you'll want to run a SOLID rear axle, a full 10mm and not 3/8" or 9.5mm.
A Phil hub might be the one to use here.

It's still going to tend to be an axle-breaker with that...
04-23-21, 10:55 AM
Replies: 15
Views: 408
Posted By dddd

That's great it sounds like you have both cups...

That's great it sounds like you have both cups threaded in properly(?).

I generally use a hammer to true any cup that starts taking a crooked line into the frame. I tap it straight, turn it a...
04-22-21, 11:00 AM
Replies: 55
Views: 1,953
Posted By dddd

The bigger problem imo with radial lacing is the...

The bigger problem imo with radial lacing is the failure mode, where adjacent same-side spokes at the hub are also adjacent at the rim.

So in the case of a typical flange failure where perhaps two...
04-22-21, 10:34 AM
Replies: 43
Views: 1,367
Posted By dddd

The WD40 applied to the loosened shift lever...

The WD40 applied to the loosened shift lever mechanism should do it. It won't last too long but could be a good step at this point in time.

Only thing is you will have to re-adjust the lever...
04-20-21, 04:55 PM
Replies: 121
Views: 9,721
Posted By dddd

The only good thread I ever started!

The only good thread I ever started!
04-20-21, 04:40 PM
Replies: 43
Views: 1,367
Posted By dddd

I think it was just that without any screw...

I think it was just that without any screw tension, the chainb instantly dropped to the smaller cogs.

It's important to loosen it up temporarily to get the lube into the lever pivot bore and the...
04-19-21, 02:50 PM
Replies: 43
Views: 1,367
Posted By dddd

Old, gummy lube in a friction shifter is pretty...

Old, gummy lube in a friction shifter is pretty amazing, in that it not only makes moving the lever through it's travel hard work, but it also causes slow slippage while riding.
This viscous action...
04-19-21, 12:14 PM
Replies: 22
Views: 905
Posted By dddd

Oh man, this one threw me for a loop! I thought...

Oh man, this one threw me for a loop!
I thought it would turn out to be a 1980-ish PX10 Super Competition with the "Super" scraped off.

Great bike imho.
04-19-21, 11:41 AM
Replies: 43
Views: 1,367
Posted By dddd

Shift levers need periodic internal lubrication...

Shift levers need periodic internal lubrication no matter where/how they are mounted!

Get the lever assemblies out of their housings and spray with aerosol lubricating oil. It makes a huge...
04-19-21, 11:23 AM
Replies: 33
Views: 839
Posted By dddd

I've never seen any statistics suggesting that...

I've never seen any statistics suggesting that bonded forks from Tange (I believe the world's largest and most-trusted fork manufacturer for many years) were less reliable than steel forks.
And I've...
04-17-21, 06:55 PM
Replies: 23
Views: 605
Posted By dddd

I'm almost willing to bet that an English-thread...

I'm almost willing to bet that an English-thread BB lock ring will nearly spin onto a French-threaded hub. The French hub diameter is smaller and the short length of threads on the lockring may not...
04-15-21, 01:05 PM
Replies: 9
Views: 503
Posted By dddd

It wouldn't, but it might be legal to give away...

It wouldn't, but it might be legal to give away the bikes versus selling them at a retail shop.

I suspect that the odd shift lever location might be the culprit.
04-13-21, 04:13 PM
Replies: 18
Views: 761
Posted By dddd

I found my Epic to be a spirited rider, upright...

I found my Epic to be a spirited rider, upright geometry and not noodly at all.

Tire clearance is quite limited and I never went upwards of a true 23mm wide tire.
04-13-21, 10:31 AM
Replies: 39
Views: 958
Posted By dddd

Perhaps the OP could give the seller a link to...

Perhaps the OP could give the seller a link to this thread?

It comes down to price, price and price.

The bike has been very poorly cared for and looks to be worth perhaps a couple of hundred...
04-12-21, 01:33 AM
Replies: 43
Views: 1,120
Posted By dddd

Not slotted, and the lever broke straight across,...

Not slotted, and the lever broke straight across, right through the Weinmann logo.
04-11-21, 07:57 AM
Replies: 43
Views: 1,120
Posted By dddd

I bought a Super Course last year with the exact...

I bought a Super Course last year with the exact same lever breakage, so I'm in the same boat right now!
04-10-21, 01:29 PM
Replies: 40
Views: 1,816
Posted By dddd

Interesting, and you never know until you try I...

Interesting, and you never know until you try I guess!

I wanted to race XC on my Cheltenham Pedersen and wound up getting Panaracer Smoke 45's to fit by indenting the chainstays with a steel bar...
04-10-21, 12:36 PM
Replies: 12
Views: 487
Posted By dddd

It looks like there is a counter-bore that the...

It looks like there is a counter-bore that the head sits inside, so there's no fixing this!

As an oddity, it makes a certain statement about low-priced components and quality-control.

I...
04-10-21, 12:26 PM
Replies: 7
Views: 387
Posted By dddd

Interesting that the author incorrectly...

Interesting that the author incorrectly identified the rear derailer as having a slanted parallelogram.
I believe that the Synchro-compatible Athena rear derailer was Campy's first such mech having...
04-07-21, 03:27 PM
Replies: 15
Views: 545
Posted By dddd

The "stops" are set using the limit screws on the...

The "stops" are set using the limit screws on the derailer, keeps the chain from riding past the end-mounted sprockets.
04-07-21, 01:40 PM
Replies: 4
Views: 270
Posted By dddd

There are M5x.8 bolts with 5mm socket used on...

There are M5x.8 bolts with 5mm socket used on many front and rear derailers.

The 6mm socket is not used on M5 bolts, other than those old Shimano shifters and derailers. The fact that yours are...
04-05-21, 08:22 PM
Replies: 8
Views: 366
Posted By dddd

There is definitely "added value" with those...

There is definitely "added value" with those new-condition rims laced up.

Just today I found myself looking around for a nice 27" wheelset for my Bob Jackson project.

There will always be...
04-05-21, 03:55 PM
Replies: 11
Views: 414
Posted By dddd

If in doubt about product safety, buy from a...

If in doubt about product safety, buy from a company with US assets.

This assures that the company is liable for dangerous products they sell, and thus they are likely to carry insurance which...
Showing results 1 to 50 of 1000
 


 
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