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Search: Posts Made By: JohnDThompson
Forum: Classic & Vintage 07-23-16, 12:28 PM
Replies: 27
Views: 705
Posted By JohnDThompson
Yes, that's an old-school trick to get your Nuovo...

Yes, that's an old-school trick to get your Nuovo Record derailleur to work with a 30T cog instead of the maximum rated 28T cog Campy specs. But as you suspect, it does come with a cost. The pulley...
Forum: Singlespeed & Fixed Gear 07-23-16, 12:17 PM
Replies: 4,966
Views: 726,743
Posted By JohnDThompson
Needs some "Hello Kitty" images. ...

Needs some "Hello Kitty" images.

http://www.newyorker.com/wp-content/uploads/2014/08/Stokes-Hello-Kitty2-1200.jpg
Forum: Road Cycling 07-23-16, 12:13 PM
Replies: 53
Views: 1,199
Posted By JohnDThompson
Allergy to your laundry detergent, perhaps?

Allergy to your laundry detergent, perhaps?
Forum: Road Cycling 07-23-16, 12:11 PM
Replies: 28
Views: 308
Posted By JohnDThompson
I see a helluva a lot of discarded Goo packs.

I see a helluva a lot of discarded Goo packs.
Forum: Classic & Vintage 07-23-16, 06:38 AM
Replies: 11,172
Views: 1,008,532
Posted By JohnDThompson
Many (but not all) AW hubs came with axles...

Many (but not all) AW hubs came with axles intended for 110mm OLD spacing. An old 10-speed frame is likely either 120mm or 126mm OLD.
Forum: General Cycling Discussion 07-23-16, 06:25 AM
Replies: 14
Views: 609
Posted By JohnDThompson
Sheldon collaborated with many people, including...

Sheldon collaborated with many people, including me, to produce the content on his site. I don't see that Allen and Schubert are doing anything Sheldon would disapprove of, or different from what...
Forum: General Cycling Discussion 07-22-16, 08:02 PM
Replies: 8
Views: 387
Posted By JohnDThompson
"How do I get there without riding on the road?" ...

"How do I get there without riding on the road?"

"If you don't want to share the road with bicycles, you should stay on the freeway."
Forum: Classic & Vintage 07-21-16, 02:18 PM
Replies: 27
Views: 705
Posted By JohnDThompson
My experience is that modern, machine built...

My experience is that modern, machine built frames are no better aligned than old-school frames with horizontal dropouts. One of the advantages of the vertical dropout is consistent placement of the...
Forum: Framebuilders 07-21-16, 08:11 AM
Replies: 5
Views: 259
Posted By JohnDThompson
It doesn't have to join the bottom bracket, e.g.:...

It doesn't have to join the bottom bracket, e.g.:

http://www.speedbicycles.ch/velo/408/trek_y_foil_66_1998.jpg

Somewhat after the Y-foil came on the market, UCI ruled them ineligible for...
Forum: Bicycle Mechanics 07-21-16, 06:52 AM
Replies: 13
Views: 294
Posted By JohnDThompson
The left dropout may be bent, but that has...

The left dropout may be bent, but that has nothing to do with the issue the OP asks about. cny-bikeman got it right a few posts back (http://www.bikeforums.net/18925000-post5.html). Just center the...
Forum: Bicycle Mechanics 07-20-16, 08:31 PM
Replies: 15
Views: 201
Posted By JohnDThompson
What was wrong with the V-GT-Luxe that led you to...

What was wrong with the V-GT-Luxe that led you to replace it with a Positron? I'd consider that to be a downgrade, actually.
Forum: Bicycle Mechanics 07-20-16, 08:29 PM
Replies: 8
Views: 266
Posted By JohnDThompson
Perhaps the wrong diameter stem?

Perhaps the wrong diameter stem?
Forum: Bicycle Mechanics 07-20-16, 08:27 PM
Replies: 10
Views: 256
Posted By JohnDThompson
If you have enough thread to get the proper...

If you have enough thread to get the proper tension on the spoke, you can file off the excess protruding through the nipple.

But if the nipple bottoms out on the thread before the spoke is...
Forum: Fifty Plus (50+) 07-20-16, 12:27 PM
Replies: 39
Views: 1,043
Posted By JohnDThompson
I run a 46/30 TA crank here: ...

I run a 46/30 TA crank here:

http://www.os2.dhs.org/~john/bumby/build7.jpg
Forum: Classic & Vintage 07-19-16, 08:50 PM
Replies: 9
Views: 248
Posted By JohnDThompson
Campagnolo made a "go, no-go" gauge to check...

Campagnolo made a "go, no-go" gauge to check crown race seats:

http://www.os2.dhs.org/~john/non-passa-passa.jpg

You may need to knurl or use loctite, as suggested above to firmly seat your...
Forum: Bicycle Mechanics 07-19-16, 08:02 PM
Replies: 3
Views: 203
Posted By JohnDThompson
It's not often that off-brands try a truly unique...

It's not often that off-brands try a truly unique design. Chances are, your hub is a clone of some other, more established brand, but without pictures it is impossible to tell which.
Forum: General Cycling Discussion 07-19-16, 08:54 AM
Replies: 98
Views: 2,356
Posted By JohnDThompson
Maybe one of these? :) ...

Maybe one of these? :)

https://upload.wikimedia.org/wikipedia/commons/e/e5/Italian_Gas_Horn.JPG
Forum: Classic & Vintage 07-19-16, 06:57 AM
Replies: 14
Views: 287
Posted By JohnDThompson
I'm not sure those would work, as the OP states...

I'm not sure those would work, as the OP states the frame has a brazed-on rear cable hanger. Gran Compe used to use straddle pulleys with a built-in quick-release, but I'm not sure if they're...
Forum: Classic & Vintage 07-18-16, 08:11 PM
Replies: 45
Views: 775
Posted By JohnDThompson
No need to open it up. Drip some oil into the gap...

No need to open it up. Drip some oil into the gap between the inner and outer bodies until it starts to run out the other side. Then work some grease (Phil or marine-grade grease is good) into the...
Forum: Bicycle Mechanics 07-18-16, 07:51 PM
Replies: 19
Views: 433
Posted By JohnDThompson
Your images aren't coming through for me. ...

Your images aren't coming through for me.

What's the problem with the current bottom bracket?
Forum: Classic & Vintage 07-18-16, 03:19 PM
Replies: 10
Views: 276
Posted By JohnDThompson
The frame details look more Italian than French...

The frame details look more Italian than French to me. What's the ID of the bottom bracket shell? French should be 35mm; Italian should be 36mm.
Forum: Classic & Vintage 07-18-16, 03:17 PM
Replies: 19
Views: 419
Posted By JohnDThompson
I haven't tried it with those exact parts, but my...

I haven't tried it with those exact parts, but my guess is "yes." I've used other derailleurs from that period with similar jumps and it worked.
Forum: Classic & Vintage 07-18-16, 03:15 PM
Replies: 19
Views: 419
Posted By JohnDThompson
Look where the cup meets the head tube. There...

Look where the cup meets the head tube. There should be no gap visible all the way around.



Yes, that will help if the cups aren't properly seated. It won't fix anything if the faces aren't...
Forum: Classic & Vintage 07-18-16, 03:11 PM
Replies: 14
Views: 325
Posted By JohnDThompson
You'll have slightly better mechanical advantage...

You'll have slightly better mechanical advantage with the pads all the way up.
Forum: Singlespeed & Fixed Gear 07-18-16, 10:22 AM
Replies: 77
Views: 2,770
Posted By JohnDThompson
Best thing is a chainring bolt spanner: ...

Best thing is a chainring bolt spanner:

http://velo.com.pl/img/thumb/produkty/714_1_big-350x250.jpg

Bike Tools Etc. - 1000's of bicycle tools and parts for the home mechanic!...
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