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Search: Posts Made By: dddd
Showing results 1 to 50 of 1000
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08-02-20, 11:58 AM
Replies: 6
Views: 208
Posted By dddd

WD40 works great for taking apart all sorts of...

WD40 works great for taking apart all sorts of old plastic parts, things like this cover or things like the plastic push-in fasteners used on car door inside panels and bumper covers, etc.
Also when...
08-02-20, 11:31 AM
Replies: 47
Views: 2,150
Posted By dddd

Glad to see this project proceeding, with...

Glad to see this project proceeding, with patience as a virtue here.

I'm not well versed in paint, but somehow I always believed that Campus Green was a clear green paint over a gold base. Am I...
07-30-20, 07:25 PM
Replies: 17
Views: 339
Posted By dddd

I went through a pile of mtb triple cranks the...

I went through a pile of mtb triple cranks the other day, and I noticed that all of the cranks having thin (cheap) middle rings also had 1.25mm spacers under the middle ring tabs.
None of the ones...
07-30-20, 04:57 PM
Replies: 27
Views: 516
Posted By dddd

No, I keep the torque the same as I go around the...

No, I keep the torque the same as I go around the nut torquing pairs of flats.
The nut creeps along, tighter as I go around, gets all of the threads good and settled so it stays tight with minimal...
07-30-20, 04:37 PM
Replies: 33
Views: 995
Posted By dddd

My experience as well! With Synchro, using...

My experience as well!

With Synchro, using modern chain (perhaps even 9s chain on the 7s freewheels) is one thing that can make everything work better than it ever could back in the day.

The...
07-29-20, 11:36 PM
Replies: 27
Views: 516
Posted By dddd

Right you are, it's no "hex" nut. Same as with...

Right you are, it's no "hex" nut. Same as with Stronglight bottom bracket fixed cups, eight flats (I use a 1-1/2" twelve-point socket on those).

It might be a struggle to tighten all four pairs...
07-29-20, 11:05 PM
Replies: 27
Views: 516
Posted By dddd

The only wrench that I use on the top nut is an...

The only wrench that I use on the top nut is an adjustable wrench, mainly because I can tighten it down to zero clearance, and because of it's wide jaws.

I have a technique to go with that, using...
07-29-20, 08:16 PM
Replies: 27
Views: 516
Posted By dddd

Maybe the timer on the plating tank apparatus...

Maybe the timer on the plating tank apparatus failed on the day that this locknut passed through.

Perhaps also the locknut was over-torqued to a degree that expanded it's outside dimensions?
07-28-20, 06:02 PM
Replies: 27
Views: 2,162
Posted By dddd

Wow, obscura indeed! I was thinking about...

Wow, obscura indeed!

I was thinking about the 7mm plastic spacer all along, but wondered if in the end if the crankarm pedal ends would be close to the same distance from the chainstays and from...
07-28-20, 11:29 AM
Replies: 39
Views: 776
Posted By dddd

Be advised that this wheelset is for...

Be advised that this wheelset is for fixed/freewheel SINGLESPEED use.

Great deal if that's what you want.
07-27-20, 11:16 PM
Replies: 73
Views: 2,000
Posted By dddd

I'm thinking that lengthening the straddle cable...

I'm thinking that lengthening the straddle cable might make better use of limited cable travel(?).
A shorter straddle cable will usually increase the leverage, but at the expense of pad travel.
...
07-27-20, 04:29 PM
Replies: 6
Views: 174
Posted By dddd

I've got quite a few of the complete, original...

I've got quite a few of the complete, original oversized brake cable sets, Specialized brand. PM if you'd like me to dig them up.
07-27-20, 01:19 PM
Replies: 23
Views: 326
Posted By dddd

I hate to have to remove screws whose adjustment...

I hate to have to remove screws whose adjustment is secured by the holes in the plastic biscuit, since the plastic won't grab the threads well any more.

But the biscuit could be replicated using...
07-27-20, 01:10 PM
Replies: 23
Views: 326
Posted By dddd

It sounds then like the screws are both bottomed...

It sounds then like the screws are both bottomed out downward?

What happens if you back out the screw a quarter-turn, then screw back downward? Does it feel like the screw head is bottoming...
07-26-20, 05:14 PM
Replies: 24
Views: 479
Posted By dddd

Dura-Ace is JIS, nothing weird about Dura-Ace...

Dura-Ace is JIS, nothing weird about Dura-Ace other than the AX pedal holes in the crankarms.

The "5" prefix suggests a 73mm bottom bracket shell.

The oversized taper might have been for BMX,...
07-26-20, 05:06 PM
Replies: 23
Views: 326
Posted By dddd

I kinda noticed, in the second picture down, the...

I kinda noticed, in the second picture down, the spindle looks quite long and there appears to be BIG chainring clearance.

Might that be a triple-length spindle, relative to the particulars of the...
07-26-20, 02:17 PM
Replies: 23
Views: 326
Posted By dddd

Did you remove a fastener or clip from the main...

Did you remove a fastener or clip from the main arm pivot?

If the arm isn't held all the way on the pivot shaft, the screws will miss the stops that the screws are supposed to control.

I would...
07-25-20, 09:54 AM
Replies: 73
Views: 2,000
Posted By dddd

It's true, not that different bikes with quite...

It's true, not that different bikes with quite similar-looking setups can work poorly or work great.

What this means is that there is still room for marketing brake "improvements"

I've noticed...
07-25-20, 09:04 AM
Replies: 9
Views: 458
Posted By dddd

There was also the standard version which was a...

There was also the standard version which was a good bit sturdier than this Superlight version.

I raced on the standard model for literally decades and had not one issue. I bought them used...
07-25-20, 08:55 AM
Replies: 11
Views: 356
Posted By dddd

Some of the Fujis that were coming into the shop...

Some of the Fujis that were coming into the shop I worked at in late 1978 had the very first Gyromaster Sealed-bearing hubs I had ever seen.

It seems to me that these came well before the cup/cone...
07-24-20, 10:17 AM
Replies: 22
Views: 622
Posted By dddd

Just a thought, imagine if somehow ICS had...

Just a thought, imagine if somehow ICS had managed to really mass produce those bikes, to the same level of visual quality as this one.

The world would be a more beautiful place!

It warms my...
07-24-20, 10:09 AM
Replies: 22
Views: 622
Posted By dddd

Indeed, this is good stuff! Reflecting real...

Indeed, this is good stuff! Reflecting real artistry!
07-22-20, 11:19 PM
Replies: 22
Views: 622
Posted By dddd

Adding some more info. One thing is that Richard...

Adding some more info. One thing is that Richard Moon only built twenty something framesets. Most were more elaborate than mine, all were custom.
Mine is among the last few that he built. I'll have...
07-22-20, 11:01 PM
Replies: 22
Views: 622
Posted By dddd

The one I have was built in the latter 90's,hence...

The one I have was built in the latter 90's,hence the 9s Record gruppo and CXP30 rims.
I'll have to measure the geometry. I found the 105mm stem ideal when I was in racing form though I'm more legs...
07-21-20, 06:17 PM
Replies: 60
Views: 1,616
Posted By dddd

One interesting thing is that if you increase the...

One interesting thing is that if you increase the canti caliper's leverage (caliper including entire straddle arrangement) then the shudder problem will be lessened.
More flexible hanger and more...
07-21-20, 05:57 PM
Replies: 37
Views: 850
Posted By dddd

This seems relatively fail-safe as compared to...

This seems relatively fail-safe as compared to the headtube cracks I've seen on aluminum frames.

I had someone set to come over to take delivery of a GT road bike recently, but when doing the...
07-21-20, 05:49 PM
Replies: 73
Views: 2,000
Posted By dddd

The first year that I raced off-road in...

The first year that I raced off-road in sometimes-wet conditions with Weinmann 750's was the year that I made a few mods, to prevent any more "white knuckle" descents with the shiny anodized MA40...
07-20-20, 11:30 PM
Replies: 60
Views: 1,616
Posted By dddd

I liked those huge stem shifters enough to adapt...

I liked those huge stem shifters enough to adapt them to a downtube clamp from another old pair of Suntour levers.

Here they are still as stem shifters, and as DT levers:
...
07-20-20, 11:09 PM
Replies: 73
Views: 2,000
Posted By dddd

There are a LOT of variables that determine brake...

There are a LOT of variables that determine brake performance besides the brand/model.

Firstly, where are the pads set in the slots. This affects leverage a lot.
And if the brake is long-reach,...
07-20-20, 05:21 PM
Replies: 22
Views: 622
Posted By dddd

As a matter of fact I do. What size frame...

As a matter of fact I do.

What size frame are you looking for Jim?

Mine's a 59cm I think, fits me ok and I'm only 5'9", since I run my saddle well forward.
...
07-20-20, 05:10 PM
Replies: 19
Views: 581
Posted By dddd

This sort of between-rings skating on double and...

This sort of between-rings skating on double and triple cranksets has become common on many of the bikes that I or someone else has installed narrower modern chain on.

This is usually quite easy...
07-20-20, 04:32 PM
Replies: 11
Views: 381
Posted By dddd

The lacerated cage plate won't prevent the chain...

The lacerated cage plate won't prevent the chain shifting to the smallest cog, as there should be no chain contact with either cage plate while shifting in that direction.

How close is the face of...
07-18-20, 11:38 PM
Replies: 6
Views: 454
Posted By dddd

The design of the arms and pivots was straight...

The design of the arms and pivots was straight out of the 1950's, so the whole of the design had timed out by the late 1970's when the use of 6s freewheels was becoming common. The "all" part of...
07-18-20, 09:58 PM
Replies: 4
Views: 261
Posted By dddd

I agree that the description is suggestive of the...

I agree that the description is suggestive of the stays being hi-ten tubing not cr-mo.

I have the higher-level 912 from 1984, and this one also I believe has hi-ten stays. The bike weighs 24lbs...
07-18-20, 06:59 PM
Replies: 15
Views: 524
Posted By dddd

Hard to believe that some 40+ years after Shimano...

Hard to believe that some 40+ years after Shimano began popularizing the modern freehub design, FREEWHEELS ARE STILL A THING.

That's a book waiting to be written, by Pastor Bob and Surfer Rosa.
...
07-18-20, 06:44 PM
Replies: 23
Views: 603
Posted By dddd

The dust cover under the freewheel is likely...

The dust cover under the freewheel is likely still there, but probably now enlarged from riding on the broken axle with the cone pushing against the dust cover opening.

I advise using the longest...
07-18-20, 05:54 PM
Replies: 21
Views: 2,516
Posted By dddd

Pictures or it didn't happen!

Pictures or it didn't happen!
07-17-20, 09:00 PM
Replies: 42
Views: 18,474
Posted By dddd

If you can simply alter the sprung tension...

If you can simply alter the sprung tension balance between the cage pivot (decrease tension) and the mounting pivot (increase tension), then just like todays derailer having a B-tension screw, you...
07-17-20, 08:01 PM
Replies: 15
Views: 524
Posted By dddd

I was thinking along the same lines, especially...

I was thinking along the same lines, especially having the locking cone in place while torquing on the remover tool.
After all, the ring is what keeps the tool centered while removing an assembled...
07-17-20, 07:53 PM
Replies: 27
Views: 848
Posted By dddd

The pressed metal ring mostly just prevents the...

The pressed metal ring mostly just prevents the end of the spindle from dislodging a ball as the spindle is fed through the bottom bracket upon assembly. Would also keep the balls from falling out...
07-17-20, 07:00 PM
Replies: 68
Views: 2,037
Posted By dddd

Univega Specialissima, 1984 or so, seemed sporty...

Univega Specialissima, 1984 or so, seemed sporty with AGC450 cenrter-pulls and modest chainstay length.
But the angles are fairly slack, and the top tube on this 57/58cm bike is only 55cm.
So off...
07-17-20, 06:42 PM
Replies: 15
Views: 583
Posted By dddd

I was going to make a post about that, probaby...

I was going to make a post about that, probaby the very last time that any publication critiqued Shimano's 130mm bcd standard.

And the article provides additional evidence of Univega's use of...
07-17-20, 02:34 PM
Replies: 9
Views: 705
Posted By dddd

I think you're right, especially if yet another...

I think you're right, especially if yet another brand was buy frames, they would want there's to be a little different than say Cratoni's.

I thought the one with gold accents was perhaps a show...
07-17-20, 02:14 PM
Replies: 15
Views: 524
Posted By dddd

"But after axle removal and notch modification,...

"But after axle removal and notch modification, can I easily replace the axle so I can use the skewer to secure the removal tool?"

Can't think of why not.

You'll be servicing the axle bearings...
07-17-20, 02:04 PM
Replies: 35
Views: 935
Posted By dddd

JB weld will easily do this for as long as any...

JB weld will easily do this for as long as any headset will last. I would apply a very thin wipe of silicone oil or grease to the steerer and crown before applying it, which will make it not stick...
07-16-20, 06:23 PM
Replies: 6
Views: 454
Posted By dddd

The Huret Luxe seems to be functionally...

The Huret Luxe seems to be functionally equivalent to the Allvit, which in long-cage form would clear a 32t as on a Schwinn SuperSport.

But the big cog clearance didn't come from the long cage!...
07-16-20, 06:05 PM
Replies: 35
Views: 1,260
Posted By dddd

All of those bikes plus the Specialissima and...

All of those bikes plus the Specialissima and Pro-Tour have their own fit parameters and geometry, and that is further subject to model year variances.

Finding one that fits one's needs is sure to...
07-16-20, 09:33 AM
Replies: 10
Views: 625
Posted By dddd

I found a set of those "drill blanks" at a garage...

I found a set of those "drill blanks" at a garage sale some years ago. Coincidentally, just last week I finally used them for something, pushing the hollow locking pin out of the drive gear on my...
07-16-20, 09:23 AM
Replies: 35
Views: 1,260
Posted By dddd

That's what I was thinking, worried that those...

That's what I was thinking, worried that those might be original old tires and maybe even those awful Panaracer Radial tires.

Bikes don't handle right with radial tires on either the front or the...
07-15-20, 08:53 PM
Replies: 10
Views: 532
Posted By dddd

The Mafac/Spidel sidepulls were some of the last...

The Mafac/Spidel sidepulls were some of the last Mafac brakes that I can remember seeing as new OEM-spec, on bikes like upper-tier Peugeot or Gitane from 1980 or 1981.

Doubtless some lower-tier...
Showing results 1 to 50 of 1000
 


 
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