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Search: Posts Made By: dddd
Showing results 1 to 50 of 784
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Forum: Classic & Vintage
11-29-23, 12:51 AM
Replies: 45
Views: 994
Posted By dddd

The damping coefficients of steel and even...

The damping coefficients of steel and even aluminum both are low enough so as to be almost insignificant as compared to the tires, saddle and rider's arse that exist in the load path between the road...
Forum: Classic & Vintage
11-28-23, 03:48 PM
Replies: 5
Views: 146
Posted By dddd

Nice bike, and sensible upgrades! Peugeot...

Nice bike, and sensible upgrades!

Peugeot had a lot of "model proliferation", with many similar-looking models having detail differences. Your bike looks very much like mine at first glance.
...
Forum: Classic & Vintage
11-27-23, 02:58 PM
Replies: 3
Views: 203
Posted By dddd

I think it was at the end of '94 that Supergo in...

I think it was at the end of '94 that Supergo in L.A. blew out a batch of $750, DX-equipped Univega Carbolite bikes having the new Mag21 air fork (with added rebound springs to prevent harsh...
Forum: Classic & Vintage
11-27-23, 01:21 PM
Replies: 21
Views: 470
Posted By dddd

The composite inner plate looks modern, but...

The composite inner plate looks modern, but unless it's a riveted design it's pretty solid.

The pullies on Suntour derailers have large-diameter bushings in them, which can cause a lot of drag if...
Forum: Classic & Vintage
11-27-23, 12:47 AM
Replies: 9
Views: 412
Posted By dddd

In the days before the arrival of stiffer,...

In the days before the arrival of stiffer, stronger-yet-lightweight large-section rims, and before there were many tires for 650b, the 26" wheel ruled off road because it was much stronger than a...
Forum: Classic & Vintage
11-26-23, 06:50 PM
Replies: 37
Views: 817
Posted By dddd

It seems like the wider tires perform better...

It seems like the wider tires perform better these days for the additional reason that lighter and more aerodynamic carbon wheel rims have become available.
Not that wider tires need wider rims, but...
Forum: Classic & Vintage
11-26-23, 06:15 PM
Replies: 21
Views: 470
Posted By dddd

Although not touted as Shimano SIS-compatible,...

Although not touted as Shimano SIS-compatible, the 3xxx (i.e. usually 3040) series Suntour Accushift derailers had different actuation, more in line with the later trend using longer cable travel for...
Forum: Classic & Vintage
11-24-23, 12:30 PM
Replies: 36
Views: 760
Posted By dddd

Not everybody here "blindly trusts Sutherland's",...

Not everybody here "blindly trusts Sutherland's", many have found good reasons not to always accept their simple or generalized explanations.
To their (Sutherland's) credit, having to document stuff...
Forum: Classic & Vintage
11-20-23, 11:19 AM
Replies: 62
Views: 1,636
Posted By dddd

The problematic cog tooth wear can be up nearer...

The problematic cog tooth wear can be up nearer to the tips from using a heavily-stretched chain, or can be at/near the base of the teeth (after perhaps having replaced the chain on schedule a few...
Forum: Classic & Vintage
11-12-23, 11:29 AM
Replies: 6
Views: 338
Posted By dddd

For those without a lathe, one way might be to...

For those without a lathe, one way might be to get one of Shimano's aluminum step-down ferrules, which measure 4mm ID X 6mm OD, roughly.

Cut off the stepped-down part, then find a drill bit that...
Forum: Classic & Vintage
10-22-23, 12:09 AM
Replies: 37
Views: 1,257
Posted By dddd

Maybe not for these levers, but any missing shim...

Maybe not for these levers, but any missing shim or washer might result in the screw bottoming in it's hole(?).

Old grease can leave a very viscous film that makes it hard to move the lever, but...
Forum: Classic & Vintage
10-21-23, 06:53 PM
Replies: 16
Views: 447
Posted By dddd

Well, I've got to thank panzerwagon publicly for...

Well, I've got to thank panzerwagon publicly for his PSA.

Not only did I get to ride to this out-of-state sale of high-end vintage stuff (scored a nice pair of 7800 calipers and handlebar tape!)...
Forum: Classic & Vintage
10-21-23, 10:57 AM
Replies: 16
Views: 447
Posted By dddd

I'll be there, riding a "sort of" Vintage,...

I'll be there, riding a "sort of" Vintage, borrowed NEXT full-suspension, BSO sort of bike to the swap location.

I'm just visiting this area for a short term, full-time job, it's a borrowed bike...
Forum: Classic & Vintage
10-21-23, 10:07 AM
Replies: 29
Views: 1,159
Posted By dddd

It could be stabilized with a clamp, but what...

It could be stabilized with a clamp, but what kind of clamp is the question.

I repaired an "identical" frame where the seat lug had the same sort of crack going out towards the top tube. I used...
Forum: Classic & Vintage
10-11-23, 10:05 AM
Replies: 7
Views: 368
Posted By dddd

Before I acquired the needed TL-FC16(?) tool...

Before I acquired the needed TL-FC16(?) tool adapter, I had removed a few Octalink cranks by fitting a pair of thick washers or coins in the hole and using one of my old pullers.

Got the arms off...
Forum: Classic & Vintage
10-09-23, 07:22 PM
Replies: 14
Views: 423
Posted By dddd

I have a 1990 "753" Technium frame, parted from...

I have a 1990 "753" Technium frame, parted from their highest model (which also happened to be the lowest-priced bike having a full Dura-Ace STI gruppo that year at only $1995.00).

The seatpost is...
Forum: Classic & Vintage
09-22-23, 02:02 PM
Replies: 32
Views: 1,433
Posted By dddd

For what it's worth, just my opinion, but the...

For what it's worth, just my opinion, but the current holders of the Schwinn marque seem to be the quality leader of department store brands.
\
Although not offered is a variety of frame sizes...
Forum: Classic & Vintage
09-21-23, 06:04 PM
Replies: 28
Views: 737
Posted By dddd

Just to be sure, your beveling is not the same...

Just to be sure, your beveling is not the same beveling I was referring to in the previous post (I was referring to the driven side of each tooth, not the left of right side of each tooth).

Wear...
Forum: Classic & Vintage
09-21-23, 05:28 PM
Replies: 17
Views: 403
Posted By dddd

Without actually loosening the nut securing the...

Without actually loosening the nut securing the pad, I can measure the slot in my CLB Professional calipers as being at least 7.4mm wide, possibly just slightly wider if I were to loosen the nut and...
Forum: Classic & Vintage
09-19-23, 09:30 AM
Replies: 6
Views: 558
Posted By dddd

Lugless construction is a real weight-saver...

Lugless construction is a real weight-saver versus using steel lugs, so a lugless Mangalloy frame might be nearly as light as a comparably-sized frame built from Cr-Mo.

Mangalloy tubing is perhaps...
Forum: Classic & Vintage
09-06-23, 05:51 PM
Replies: 277
Views: 43,372
Posted By dddd

I'm liking this twice-per-year format, like in...

I'm liking this twice-per-year format, like in the good old days of Marin swaps.
Forum: Classic & Vintage
08-22-23, 10:49 AM
Replies: 7
Views: 467
Posted By dddd

Kind of the low-cost Open Pro, the heavier and...

Kind of the low-cost Open Pro, the heavier and softer Open Sport/Elite used lesser alloy than the "pro's Maxtal, and had an unwelded sleeve joint.
Forum: Classic & Vintage
08-04-23, 03:36 PM
Replies: 81,146
Views: 13,383,635
Posted By dddd

The Altus and Alivio 7s Rapidfire-Plus canti...

The Altus and Alivio 7s Rapidfire-Plus canti levers are great parts, good enough for racing imo.

Even the Shimano EZ-fire 7s and 8s V-brake levers (as found on better dept-store bikes) have been...
Forum: Classic & Vintage
08-01-23, 10:57 AM
Replies: 10
Views: 369
Posted By dddd

The lengthy chain gap imposed by today's smaller...

The lengthy chain gap imposed by today's smaller cogs at the far end of the cassette won't play nice using modern flexible bushingless chain (especially since even completely removing the B-screw...
Forum: Classic & Vintage
08-01-23, 10:40 AM
Replies: 28
Views: 981
Posted By dddd

On a related note, because I so much like the...

On a related note, because I so much like the friction-shifting behavior of Uniglide cogs, I have built two Ultra-6 freewheels using Dura-Ace 7s freewheels, a 13-28 and more recently a 13-26.

With...
Forum: Classic & Vintage
08-01-23, 12:16 AM
Replies: 28
Views: 981
Posted By dddd

I had a 14-26t Ultra-6 built onto a Pro Compe...

I had a 14-26t Ultra-6 built onto a Pro Compe body back in the mid to late 80's if I am remembering correctly.

They will fit onto some 5s hubs without any axle changes, but not on Campagnolo 5s...
Forum: Classic & Vintage
07-17-23, 09:09 AM
Replies: 142
Views: 6,112
Posted By dddd

Wow that is a nice Skokie saw blade handle! If...

Wow that is a nice Skokie saw blade handle! If ever there was a good blade handle for a job like this then that is the one. With a sharp and well-oiled blade...

I had already typed this post...
Forum: Classic & Vintage
07-16-23, 10:11 PM
Replies: 47
Views: 1,905
Posted By dddd

It might be fun to re-connect the bike with it's...

It might be fun to re-connect the bike with it's owner who had it stolen back in 1979!

Could be the makings of a viral YouTube video.
Forum: Classic & Vintage
07-16-23, 01:53 PM
Replies: 47
Views: 1,905
Posted By dddd

Those particular stem levers pre-date the 1974...

Those particular stem levers pre-date the 1974 model year I believe. I'm seeing a shorter, rounder "knob" on the end of each lever.

I've seen Schwinn serial numbers (the frame itself) which could...
Forum: Classic & Vintage
07-16-23, 01:19 PM
Replies: 98
Views: 4,083
Posted By dddd

Near the very beginning of the interview, Grant...

Near the very beginning of the interview, Grant stated that without the slant parallelogram, indexing wouldn't work.

There have been lots of lower-end bikes built using SIS-adapted versions of the...
Forum: Classic & Vintage
07-16-23, 11:24 AM
Replies: 21
Views: 682
Posted By dddd

I had a similarly-bad situation at the upper...

I had a similarly-bad situation at the upper headset, toptube and headtube area of a Miyata 914 I had purchased cheaply.
I used hot water to mix up a very concentrated solution of oxalic acid, at...
Forum: Classic & Vintage
07-10-23, 01:38 PM
Replies: 54
Views: 2,867
Posted By dddd

Might as well throw my budget-build, 'rodded 1964...

Might as well throw my budget-build, 'rodded 1964 Schwinn Varsity on here......
Forum: Classic & Vintage
07-09-23, 04:16 PM
Replies: 53
Views: 2,714
Posted By dddd

The too-low saddle height is the main problem I...

The too-low saddle height is the main problem I find myself having to explain to people (who later are almost universally thankful for their corrections).

With a low saddle height, the rider finds...
Forum: Classic & Vintage
07-07-23, 01:00 PM
Replies: 53
Views: 2,714
Posted By dddd

Unless one needs custom touches on their frame or...

Unless one needs custom touches on their frame or the uncommon features like studs for centerpull calipers, there are just too many fine used 1" frames to choose from.

But supporting the custom...
Forum: Classic & Vintage
07-03-23, 05:51 PM
Replies: 9
Views: 390
Posted By dddd

What Dylansbob said^^^, any Shimano DT lever can...

What Dylansbob said^^^, any Shimano DT lever can handle a triple.

The triple was not initially part of the 7700 roll-out, it came a couple of years later. 7700/7703 featured the newer actuation...
Forum: Classic & Vintage
07-02-23, 12:29 PM
Replies: 9
Views: 450
Posted By dddd

Yet another possibility would be the Supersport,...

Yet another possibility would be the Supersport, made for decades and also came in yellow, with 27" wheels:
...
Forum: Classic & Vintage
07-02-23, 02:21 AM
Replies: 103
Views: 3,752
Posted By dddd

That bike looks nearly new! The reported...

That bike looks nearly new!

The reported "flat spot" feeling is likely just from a tire not fully seated.
As I mentioned earlier, it can take a few tries before a tire decides to seat evenly on...
Forum: Classic & Vintage
06-29-23, 02:09 PM
Replies: 34
Views: 1,049
Posted By dddd

My own early Superbe friction derailer seems to...

My own early Superbe friction derailer seems to effect more in the way of return force on the cable than many other derailers, at least as felt at my Superbe friction levers.

And I'm recalling...
Forum: Classic & Vintage
06-29-23, 12:53 PM
Replies: 103
Views: 3,752
Posted By dddd

First make absolutely sure that it fits. As...

First make absolutely sure that it fits.

As for "the facts", here is what I've learned after building and extensively riding a few of these bikes in hilly and spirited riding situations:

The...
Forum: Classic & Vintage
06-27-23, 06:33 PM
Replies: 34
Views: 1,049
Posted By dddd

I have a lot of experience dealing with Suntour...

I have a lot of experience dealing with Suntour Accu-7 setups using different cogs and derailers.

My first question will be if the shifter has been lubricated?

These parts are almost 40 years...
Forum: Classic & Vintage
06-22-23, 06:23 PM
Replies: 15
Views: 652
Posted By dddd

I've found the "demo" blade to work wonders...

I've found the "demo" blade to work wonders cutting alloy stems or seatposts out. The teeth near the tip of the blade need to be sharp and clear of swarf.

Sometimes the blade needs to be be given...
Forum: Classic & Vintage
06-22-23, 02:31 AM
Replies: 11
Views: 625
Posted By dddd

It is bolt-upright in the style of a commuter...

It is bolt-upright in the style of a commuter bike, the better for swinging your head for a look behind you. And your helmet is up high for best visibility by others.

I think of the Pedersen's...
Forum: Classic & Vintage
06-21-23, 12:27 PM
Replies: 21
Views: 820
Posted By dddd

My Kestrel 4000 also seems to have a less than...

My Kestrel 4000 also seems to have a less than inspiring ride quality, and the steering feels weird when using vintage aero rims for unknown reasons.

But I like the Kestrel for the same reason...
Forum: Classic & Vintage
06-17-23, 11:33 AM
Replies: 44
Views: 5,324
Posted By dddd

Hey, y'all, this is a 4-year-old "necro"-thread! ...

Hey, y'all, this is a 4-year-old "necro"-thread!

The OP was clearly dealing with a case of a wallered-out left arm, seemingly nothing else to my eye.

I woulda shimmed it or used a symmetrical...
Forum: Classic & Vintage
06-16-23, 02:45 PM
Replies: 100
Views: 4,857
Posted By dddd

The axle bearing tension might only be adjusted...

The axle bearing tension might only be adjusted too tight, seems most vintage hubs were.
What brand are the hubs?

I like the way that these Steyr bikes ride. I've used longer 22mm stems together...
Forum: Classic & Vintage
06-15-23, 11:50 AM
Replies: 14
Views: 625
Posted By dddd

Great find and I hope it fits you well. Race...

Great find and I hope it fits you well.

Race geometry on these so hopefully also the nice, long stem stays on board to keep weight on the front tire as intended and the steering calm.

I would...
Forum: Classic & Vintage
06-14-23, 11:49 AM
Replies: 68
Views: 26,132
Posted By dddd

I've tested many different chains on bikes where...

I've tested many different chains on bikes where I was (fooling myself into) thinking that I could live happily with the original Helicomatic hub/freewheel.

Every modern chain (7-8 and 9 speed)...
Forum: Classic & Vintage
06-10-23, 05:44 PM
Replies: 11
Views: 595
Posted By dddd

One bike that I had worked on had a similar sort...

One bike that I had worked on had a similar sort of problem, turned out there was a bearing ball stuck to the inside of the head tube with grease that caused interference between the steer tube and...
Forum: Classic & Vintage
06-10-23, 05:39 PM
Replies: 9
Views: 785
Posted By dddd

I usually ride faster as consecutive days build...

I usually ride faster as consecutive days build up, as long as the rides aren't 50+ miles anyway.

How the different tires were getting along with the particular road surface is another variable.
...
Forum: Classic & Vintage
06-06-23, 07:35 PM
Replies: 1,875
Views: 83,539
Posted By dddd

23-inch frame and you've described my "grail"...

23-inch frame and you've described my "grail" bike perfectly!
Showing results 1 to 50 of 784
 
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