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Search: Posts Made By: dddd
Showing results 1 to 50 of 1000
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07-11-20, 12:32 AM
Replies: 19
Views: 333
Posted By dddd

Cool bike there with all the Dura-Ace bits. ...

Cool bike there with all the Dura-Ace bits. Seems that all these years I thought I had been seeing things when I once spied one of the German-Made ones at Goodwill.

I would be tres careful...
07-09-20, 07:21 PM
Replies: 18
Views: 563
Posted By dddd

Looking at how far the chain is to the dropout,...

Looking at how far the chain is to the dropout, that doesn't look too close to me. A mere millimeter of clearance is adequate on most setups, provided that the chain gap is kept small enough that the...
07-08-20, 10:59 PM
Replies: 6
Views: 260
Posted By dddd

The International model seemed to move up-market...

The International model seemed to move up-market around this time, even used some fancy welded-and-brazed lugs for a couple of years in the mid-80's.

The wheelbase shortened and the rims narrowed,...
07-08-20, 10:50 PM
Replies: 28
Views: 5,836
Posted By dddd

The Suntour derailers (other than 3040 models)...

The Suntour derailers (other than 3040 models) and the Shimano friction derailers all had an actuation ratio similar to old Dura-Ace.

If you connect a Seven rear derailer to a Shimano 7- or...
07-08-20, 10:27 PM
Replies: 12
Views: 355
Posted By dddd

I usually put the axle forward, not so much for...

I usually put the axle forward, not so much for being "racy" but to avoid shifting problems caused by the axle being so far back.

The chain gap gets pretty large on many vintage bikes when using...
07-08-20, 10:19 PM
Replies: 22
Views: 448
Posted By dddd

There were Japanese copies as well, likely sold...

There were Japanese copies as well, likely sold at K-mart before the Taiwan-made production.

The Japanese ones were just about as nice as the originals, I had one on a U08 for years and it held up...
07-08-20, 05:27 PM
Replies: 86
Views: 2,936
Posted By dddd

From the looks of things, I would want to slide...

From the looks of things, I would want to slide the levers upward along the bars until the tips of the lever was even with the lower "edge" of the bars.

Then I would try moving the saddle forward...
07-08-20, 10:00 AM
Replies: 12
Views: 355
Posted By dddd

Of the two rear-facing limit screws going...

Of the two rear-facing limit screws going directly into the top knuckle of the derailer, the lower-most screw controls the travel limiter up to the largest-cog position.

The screw just above that...
07-06-20, 11:05 PM
Replies: 12
Views: 292
Posted By dddd

That's cheating!

That's cheating!
07-06-20, 04:27 PM
Replies: 12
Views: 292
Posted By dddd

A common problem arises having to do with modern...

A common problem arises having to do with modern cable slipping at the derailer clamping binder bolt on older campagnolo derailers.

This because the cables are thin enough to fall almost flush...
07-06-20, 04:10 PM
Replies: 13
Views: 404
Posted By dddd

The co-ops seem to be closed around here, has me...

The co-ops seem to be closed around here, has me wondering how to get hold of them to discuss buying from their accumulating inventory. Probably like a gold mine about now.

The claw mount can be...
07-06-20, 02:33 PM
Replies: 1
Views: 119
Posted By dddd

The 7s freehubs were sold by the millions in the...

The 7s freehubs were sold by the millions in the early 90's and still being made by several makers such as Shimano and JoyTech.

These appear with 126, 130 and 135mm axle spacings, most are full HG...
07-06-20, 02:21 PM
Replies: 20
Views: 596
Posted By dddd

What I especially don't think was a good idea...

What I especially don't think was a good idea about the riv-nut handlebar is what happens when the bike tips over onto the lever?

Where the former band could slip, maybe even stretch a bit and...
07-05-20, 11:56 PM
Replies: 5
Views: 201
Posted By dddd

I have to say that most of the early indexing...

I have to say that most of the early indexing systems can work far better to day than they ever did at the time just by using modern chain and cabling.

A newer style freewheel with appropriate...
07-05-20, 08:17 PM
Replies: 16
Views: 408
Posted By dddd

Unusual bike, very cool! Love that story...

Unusual bike, very cool!

Love that story about the wrong-but-right frame fit!
07-04-20, 11:01 PM
Replies: 10
Views: 409
Posted By dddd

Stainless steel also promotes corrosion of any...

Stainless steel also promotes corrosion of any non-stainless bolt (unless it's titanium). Might even promote corrosion of the steel tube, though this is less likely because of the frame's large...
07-04-20, 10:52 PM
Replies: 54
Views: 1,414
Posted By dddd

Assuming you mean vintage, and thinking outside...

Assuming you mean vintage, and thinking outside of the box here:

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/800x600/13632808633_b7eccc022b_c_2ee9d98f685247ea10bee71937c0e973ae617546.jpg...
07-04-20, 10:25 PM
Replies: 13
Views: 394
Posted By dddd

The Traveler finally got the exact same...

The Traveler finally got the exact same (73HTx74ST) frame angles and 700c wheel size as the Paramounts, Tempo, Circuit, etc. in 1989.
It came with a 6s SIS Exage gruppo having very nice...
07-04-20, 10:07 PM
Replies: 11
Views: 324
Posted By dddd

That's definitely a road stem, almost certainly...

That's definitely a road stem, almost certainly having a 26mm clamp diameter.

Profile was about the first one I remember marketing these, the zero-degree model was sometimes designated for...
07-04-20, 08:15 AM
Replies: 36
Views: 847
Posted By dddd

I wasn't aware of the holes in the bb shell on...

I wasn't aware of the holes in the bb shell on Ron Coopers, maybe those are the older ones (?).

I completely concur WRT the seatstay joinery, that looks like Ron Cooper's great execution there.
...
07-03-20, 03:04 PM
Replies: 13
Views: 343
Posted By dddd

ProStar was formerly ChangStar, so have been...

ProStar was formerly ChangStar, so have been around for ages. Made good enough copies of DiaCompe sidepulls at the lower end of the market.
07-03-20, 10:01 AM
Replies: 32
Views: 1,306
Posted By dddd

Well at least the cable routing with this bike's...

Well at least the cable routing with this bike's handlebar configuration seems much improved over stock.

The improved braking has to be worth something.

And not to forget, they don't make them...
07-02-20, 08:03 PM
Replies: 18
Views: 563
Posted By dddd

The Alpha shifters are like 30 years old today,...

The Alpha shifters are like 30 years old today, so be sure to get some oil into the levers and clicker so that they work right.

I recall one Goodwill-sourced Accushift 7-speed Lotus road bike that...
07-02-20, 04:44 PM
Replies: 18
Views: 563
Posted By dddd

The bigger tooth difference should work in your...

The bigger tooth difference should work in your favor.
But, if the chain decides to start falling inboard of the smallest chainring, you can just reverse the file and cut from the driveside of the...
07-02-20, 04:29 PM
Replies: 38
Views: 1,400
Posted By dddd

The Alpha freewheel teeth were improved over the...

The Alpha freewheel teeth were improved over the earlier non-indexed cogs.
There is a bevel on the right-facing side of each tooth, toward the driven edge of each tooth.
I've found that I can add...
07-02-20, 10:05 AM
Replies: 18
Views: 563
Posted By dddd

Because of modern chain (the first was the...

Because of modern chain (the first was the Shimano UG Narrow model from ~1987), Suntour Alpha indexing can be much better than it was back in the day (even more so when using 9s chain together with...
07-02-20, 08:41 AM
Replies: 18
Views: 563
Posted By dddd

All of the Alpha freewheels were excellent....

All of the Alpha freewheels were excellent. Suntour's best imo! Shifting under modest but considerable pedaling force is a reality with these, and there is NO chain "skating" using modern chain.
...
07-01-20, 01:52 PM
Replies: 55
Views: 1,056
Posted By dddd

Assuming that you're using a 9s ROAD front triple...

Assuming that you're using a 9s ROAD front triple derailer(?).

I had a local olive grower bring me her 105 9s bike just last week for the small lever being too hard to push in. This was the right...
07-01-20, 10:13 AM
Replies: 10
Views: 357
Posted By dddd

The Fuji description clarifies that the "mink"...

The Fuji description clarifies that the "mink" color is silver, not any shade of blue as some Raleigh discussions periodically seem to imply (mink/blue was two-tone).

I've got a Fuji Pro with the...
07-01-20, 10:00 AM
Replies: 28
Views: 701
Posted By dddd

Only needed on one side, since the wheel would...

Only needed on one side, since the wheel would need to tilt further than the fork legs would allow in order for the other end of the axle to move out of it's dropout.

Amazingly simple, but can't...
07-01-20, 09:29 AM
Replies: 21
Views: 430
Posted By dddd

I can't know the history of this bike, and the...

I can't know the history of this bike, and the Weinmann calipers are an anomaly, but I would find it unusual for such a low-end bike to have been fully repainted with all of the bearing cups...
06-30-20, 09:46 PM
Replies: 55
Views: 1,056
Posted By dddd

I believe that the type of derailer housing is...

I believe that the type of derailer housing is the problem here.

This is the old, very stiff 5mm housing that prevents the rear derailer from floating about the cassette properly under it's...
06-30-20, 09:03 AM
Replies: 23
Views: 776
Posted By dddd

You really want to be using a very specific type...

You really want to be using a very specific type of "solvent" in these things.

Simple Green is not made for this application.

First of all, the chemistry will definitely change over time, until...
06-29-20, 09:19 PM
Replies: 18
Views: 452
Posted By dddd

Check again, the bb shell should be only 68mm in...

Check again, the bb shell should be only 68mm in length (not diameter).

Your Asian frame will use an English bottom bracket. Shimano sells UN55 bottom brackets that offer smooth operation and...
06-29-20, 10:15 AM
Replies: 7
Views: 286
Posted By dddd

Hopefully the bike shop is in a good position to...

Hopefully the bike shop is in a good position to source a good frame or bike replacement at a cost that they can deal with.
Most shops get such buy opportunities regularly, often for next to...
06-29-20, 10:01 AM
Replies: 2
Views: 103
Posted By dddd

One of the aluminum GT's like this that I bought...

One of the aluminum GT's like this that I bought developed a crack in the head tube, starting at the lower cup. Best to keep an eye on this area as I didn't notice this until the crack was over 1"...
06-29-20, 09:58 AM
Replies: 22
Views: 464
Posted By dddd

Those directions from park and from...

Those directions from park and from Sheldonbrown.com may not apply to the OP's U-brake.
There are some huge variations in the sprung pivot design on some Shimano U-brakes that require certain...
06-28-20, 10:07 PM
Replies: 92
Views: 5,224
Posted By dddd

Funny you should ask, since I took the "Danish...

Funny you should ask, since I took the "Danish Chopper" to Fairfax in Marin today for a couple of rides up Mt. Tam on the trails.

It rode like it always has, lively to the extreme while descending...
06-28-20, 09:44 PM
Replies: 34
Views: 9,367
Posted By dddd

I wonder if the stem quill is 22.2 or 21.1mm(?).

I wonder if the stem quill is 22.2 or 21.1mm(?).
06-28-20, 09:28 PM
Replies: 55
Views: 1,056
Posted By dddd

Note that Shimano's/Campag's methods are only...

Note that Shimano's/Campag's methods are only really applicable to gearing choices actually specified with the original complete groupsets.

For anything outside their ranges, you are on your own....
06-28-20, 09:18 PM
Replies: 22
Views: 464
Posted By dddd

I am remembering some versions of the rear...

I am remembering some versions of the rear Shimano U-brake where one had to remove the pivot bolt and then insert a 6mm hex key to wind the spring, followed by holding it (the arm) in place and then...
06-27-20, 09:12 PM
Replies: 14
Views: 450
Posted By dddd

I'm just not seeing Al-sized fillets on the...

I'm just not seeing Al-sized fillets on the advertised Merckx.

Seatstay diameter is obviously smaller than that AluMega.

Seller isn't really trying, so the ask seems outta the ball park to me.
06-27-20, 03:50 PM
Replies: 14
Views: 450
Posted By dddd

I'd want to know what year this frame/bike was...

I'd want to know what year this frame/bike was made.

The photography here sure isn't doing the prospects of a sale any favors!!!

The bike could have been fairly expensive when new, but like I...
06-27-20, 02:26 PM
Replies: 19
Views: 408
Posted By dddd

:troll:

:troll:
06-27-20, 02:23 PM
Replies: 19
Views: 408
Posted By dddd

Those stepped ferrules are completely redundant...

Those stepped ferrules are completely redundant on the Shimano D-P caliper, they are an eye-sore and only reduce the flexibility of the housing. And oh, the grams!

Anybody else here have such a...
06-27-20, 02:10 PM
Replies: 19
Views: 513
Posted By dddd

I think that the Crane GS may have been designed...

I think that the Crane GS may have been designed for 32t max. On the other end, it was designed for perhaps a 13t, so between the more-flexible chain and the slightly-bigger gap when using the...
06-27-20, 01:09 PM
Replies: 19
Views: 513
Posted By dddd

Seconding everything rccardr said above...^^^ ...

Seconding everything rccardr said above...^^^

With modern chain, the variable chain gap that you are going to be dealing with is not going to help this work "well".
Modern chain is sooo much more...
06-25-20, 11:32 PM
Replies: 30
Views: 1,134
Posted By dddd

Come to think of it, I have a few good-sized...

Come to think of it, I have a few good-sized boxes of various old, dirty cassettes and chains, which would have value if it was all clean.

Does anyone here know of an economical (mostly time-wise)...
06-25-20, 11:20 PM
Replies: 30
Views: 1,134
Posted By dddd

I felt sure that "477" was a typo(?). Are...

I felt sure that "477" was a typo(?).

Are the rubber bands still good???

477 jars wouldn't take hours. It would require rest days.
06-25-20, 10:49 PM
Replies: 21
Views: 607
Posted By dddd

I actually used my 1984 720 on training rides a...

I actually used my 1984 720 on training rides a couple of times when my road bike was out of commission.

The bike sure wasn't fast when high pedaling efforts arose. I attributed this to the long...
Showing results 1 to 50 of 1000
 


 
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