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Search: Posts Made By: JohnDThompson
Showing results 1 to 50 of 655
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04-09-21, 03:12 PM
Replies: 4
Views: 185
Posted By JohnDThompson

I use a glasses-mounted "Take-a-Look...

I use a glasses-mounted "Take-a-Look (https://takealookactive.com/)" mirror. It's small and light, and turning my head just a little allows me to scan everything behind me; no blind spot, and doesn't...
04-08-21, 02:27 PM
Replies: 21
Views: 434
Posted By JohnDThompson

That can tell you that something is not right,...

That can tell you that something is not right, but not whether it is the frame or fork or something else.
04-07-21, 05:25 PM
Replies: 11
Views: 384
Posted By JohnDThompson

Mel Pinto was one of the Good Guys. He had a...

Mel Pinto was one of the Good Guys. He had a house brand called "Cortina." I had Cortina rollers and a pump; very nice and cost less than the big name brands. I sold the rollers years ago, but I...
04-05-21, 08:17 PM
Replies: 25
Views: 3,471
Posted By JohnDThompson

Correct.

Correct.
04-05-21, 08:16 PM
Replies: 25
Views: 3,471
Posted By JohnDThompson

A "missing link" designed for a 1/8" will work...

A "missing link" designed for a 1/8" will work for a 1/8" chain. It's a bit more complicated with 3/32" chains, since these vary in width depending on whether they are designed for 8, 9, 10, 11, etc....
04-02-21, 06:14 AM
Replies: 22
Views: 421
Posted By JohnDThompson

Not to mention, the needlessly complex multiple...

Not to mention, the needlessly complex multiple threaded positions for mounting the sprockets on the body. :notamused:
03-30-21, 06:02 PM
Replies: 20,218
Views: 3,391,199
Posted By JohnDThompson

Bridgestone Hello Kitty 14"wheel Campagnolo Phil Wood Child's Bicycle '76 tennis

Bridgestone Hello Kitty 14"wheel Campagnolo Phil Wood Child's Bicycle '76 tennis
US $1,250.00 (Free shipping)

Very unusual, very small bicycle, made in Japan by Bridgestone, in exceptionally good...
03-30-21, 01:24 PM
03-30-21, 01:19 PM
Replies: 9
Views: 248
Posted By JohnDThompson

You have to remove the wheel from the bike before...

You have to remove the wheel from the bike before you can fit a new tire.
03-28-21, 07:39 PM
Replies: 211
Views: 14,461
Posted By JohnDThompson

Perhaps something like the Aero Gran Compe...

Perhaps something like the Aero Gran Compe AGC-300 (37-43mm reach) or Universal AER (38-44mm reach)?
03-28-21, 07:14 AM
Replies: 31
Views: 664
Posted By JohnDThompson

Thee's really no functional benefit to radial...

Thee's really no functional benefit to radial spoking. And as mentioned above, if your hub isn't designed for radial spoking, there's a chance the hub flange may fail.
03-27-21, 06:20 PM
Replies: 5
Views: 164
Posted By JohnDThompson

The "Symmetric" shfter doesn't have a D-ring for...

The "Symmetric" shfter doesn't have a D-ring for tension adjustment, but it does have an Allen bolt that serves the same purpose. Part #9 in the diagram:

https://i.imgur.com/rVvffZS.jpg
03-27-21, 03:44 PM
Replies: 38
Views: 891
Posted By JohnDThompson

It's "mods" versus "rockers," still. ...

It's "mods" versus "rockers," still.

https://www.morebikes.co.uk/wp-content/uploads/sites/46/2014/07/Replica-of-Jimmys-scooter-in-the-film-QuadropheniaC.1966-Lambretta-LI150-Series-3-Scooter-2.jpg
03-26-21, 07:00 AM
Replies: 29
Views: 876
Posted By JohnDThompson

C'mon. It's not April 1st, yet.

C'mon. It's not April 1st, yet.
03-25-21, 03:31 PM
Replies: 3,859
Views: 350,311
Posted By JohnDThompson

PM sent.

PM sent.
03-24-21, 12:45 PM
Replies: 19
Views: 573
Posted By JohnDThompson

There are three lockring thread specs;...

There are three lockring thread specs; Campagnolo, English, and metric. Metric is all but obsolete. Most track lockrings are English 1.29" x 24tpi LH; Campagnolo and a few others (e.g. Miche,...
03-23-21, 12:04 PM
Replies: 108
Views: 4,321
Posted By JohnDThompson

You're right, of course. I didn't think that...

You're right, of course. I didn't think that through very well. I'll blame it on lack of caffeine.
03-22-21, 06:21 AM
Replies: 6
Views: 249
Posted By JohnDThompson

Rim width doesn't matter too much. Either width...

Rim width doesn't matter too much. Either width will work. I'd go with the 23mm tire for potentially better ride quality.
03-20-21, 06:08 PM
Replies: 30
Views: 787
Posted By JohnDThompson

Ok, "prettiness," maybe (given that "beauty is in...

Ok, "prettiness," maybe (given that "beauty is in the eye of the beholder"), but space efficiency can be gotten with a simple wall-mounted dowel, perhaps one for each size tire.



Nothing that...
03-20-21, 05:54 PM
Replies: 211
Views: 14,461
Posted By JohnDThompson

It's a "keirin brake...

It's a "keirin brake (https://www.tracksupermarket.com/brakes-117/brake-adapter-kits.html)," used by track riders when training on the road. They work ok, but are more likely to damage paint and/or...
Forum: Framebuilders
03-20-21, 05:38 PM
Replies: 11
Views: 496
Posted By JohnDThompson

Traditional forged dropouts used a tab that fit...

Traditional forged dropouts used a tab that fit into a slot cut into the stay/blade. This design allowed a single forging to accommodate a wide range of frame sizes and styles. Forging from...
Forum: Framebuilders
03-20-21, 05:26 PM
Replies: 21
Views: 640
Posted By JohnDThompson

When 753 first came on the market, Reynolds said...

When 753 first came on the market, Reynolds said no braze-ons of any type were acceptable. But people being what they are, over time 753 frames with bottle mounts, lever bosses, cable guides, and...
03-20-21, 09:38 AM
Replies: 30
Views: 787
Posted By JohnDThompson

Turn the question around: why do bike tires need...

Turn the question around: why do bike tires need boxes? Packaging should only be used when needed, e.g. to protect the contents or preserve freshness, etc. We have more than enough garbage to deal...
03-18-21, 06:12 PM
Replies: 24
Views: 643
Posted By JohnDThompson

Are you sure those aren't holes for the pins on...

Are you sure those aren't holes for the pins on which the pawls pivot?



I can't watch… :eek:
Forum: Road Cycling
03-18-21, 05:45 AM
Replies: 36
Views: 1,146
Posted By JohnDThompson

Michelin made some:

Michelin made some:
Forum: Road Cycling
03-17-21, 07:52 PM
Replies: 36
Views: 1,146
Posted By JohnDThompson

Sure, but only at 170psi: :)

Sure, but only at 170psi: :)
03-16-21, 08:40 PM
Replies: 12
Views: 388
Posted By JohnDThompson

I hauled two kids around in a trailer for many...

I hauled two kids around in a trailer for many years. Before that, I once hauled a quarter-barrel of beer in the trailer for a Trek party.
03-14-21, 08:19 PM
Replies: 25
Views: 575
Posted By JohnDThompson

An old tube sock works well enough.

An old tube sock works well enough.
03-14-21, 07:06 AM
Replies: 10
Views: 345
Posted By JohnDThompson

The front brake does most of the work, so put the...

The front brake does most of the work, so put the dual pivot on the front. Rear brake effectiveness is limited by traction (skidding), so there's no point in putting the more powerful caliper there.
03-13-21, 01:03 PM
Replies: 7
Views: 364
Posted By JohnDThompson

We gave repair customers the choice of any...

We gave repair customers the choice of any standard color; the repaired frame would just get run through the paint line when a batch of that color was being sprayed.
03-11-21, 07:22 AM
Replies: 7
Views: 251
Posted By JohnDThompson

Can you take a link out of the chain? A shorter...

Can you take a link out of the chain? A shorter chain will move the pulley away from the sprockets, but take care not to make it too short. Put the chain on the large-large combination and see if you...
03-11-21, 06:58 AM
Replies: 41
Views: 1,219
Posted By JohnDThompson

Reminds me of this classic thread: ...

Reminds me of this classic thread:

https://www.bikeforums.net/singlespeed-fixed-gear/514470-ms-paint-your-mishaps.html
03-10-21, 02:18 PM
Replies: 56
Views: 1,277
Posted By JohnDThompson

You may be able to just buy a jaw from...

You may be able to just buy a jaw from Velo-Classique, which should be less $$$ than the complete tool.
03-10-21, 02:00 PM
Replies: 10
Views: 272
Posted By JohnDThompson

IIRC, Ofmega made many Colnago-branded parts.

IIRC, Ofmega made many Colnago-branded parts.
03-10-21, 01:47 PM
Replies: 56
Views: 1,277
Posted By JohnDThompson

No, but spindles almost always wear faster than...

No, but spindles almost always wear faster than cups. And the condition of the fixed cup can be assessed without removing it by removing the adjustable cup and spindle. You only need to pull the...
03-10-21, 01:40 PM
Replies: 56
Views: 1,277
Posted By JohnDThompson

Wayne Bingham at Velo-Classique...

Wayne Bingham at Velo-Classique (http://www.veloclassique.com/) is a VAR importer and may have what you need.
03-10-21, 01:22 PM
Replies: 11
Views: 1,320
Posted By JohnDThompson

I bought one of these stands from Aldi a few...

I bought one of these stands from Aldi a few years ago, so I wouldn't have to haul my 40# city bike down to the basement or haul my 80# Park stand up to the garage for routine repairs. I agree with...
03-10-21, 07:43 AM
Replies: 4
Views: 288
Posted By JohnDThompson

That type of damage is usually the result of...

That type of damage is usually the result of riding with a loose headset. The threaded cup wobbles and eventually erodes through the threads on the steer tube. I've fixed forks like that by melting...
03-09-21, 07:52 PM
Replies: 7
Views: 327
Posted By JohnDThompson

That your dropouts lack adjuster bolts makes it...

That your dropouts lack adjuster bolts makes it safer to bend things back into shape. The adjuster bolt hole is a common failure point with that type of repair.
03-09-21, 07:33 PM
Replies: 14
Views: 492
Posted By JohnDThompson

AFAIK, the only difference between the French...

AFAIK, the only difference between the French thread Campagnolo headsets and the English/Italian ones is the threaded parts. The crown races are all 26.4mm, the pressed races 30.2mm. The go/no-go...
03-08-21, 12:44 PM
Replies: 28
Views: 1,139
Posted By JohnDThompson

My wife has hip and knee issues and rode 165mm...

My wife has hip and knee issues and rode 165mm arms for years. When I converted her bike to 650B wheels, I also changed the arms to 155mm, mostly to keep ground clearance. It hasn't been a problem.
03-08-21, 07:19 AM
Replies: 13
Views: 412
Posted By JohnDThompson

Overland used to offer a tool to help with this....

Overland used to offer a tool to help with this. Results are seldom perfect, but may be an improvement. Perhaps an established shop in your area might have one?
03-07-21, 08:14 AM
Replies: 70
Views: 1,960
Posted By JohnDThompson

In general, it's not strictly necessary to remove...

In general, it's not strictly necessary to remove old glue unless you're switching to tape or otherwise want to start fresh. But that stuff looks pretty nasty. I've found a wire wheel mounted in a...
Forum: Road Cycling
03-06-21, 07:02 PM
Replies: 17
Views: 863
Posted By JohnDThompson

Any chance you were dehydrated? With less...

Any chance you were dehydrated? With less circulating volume when dehydrated, pressure drops. Usually this is accompanied by an increase in heart rate to maintain cardiac output, but many blood...
Forum: Road Cycling
03-06-21, 06:58 PM
Replies: 54
Views: 2,417
Posted By JohnDThompson

I've always preferred to put the least worn tire...

I've always preferred to put the least worn tire on the front, for better handling. When the rear wears out, I move the front tire to the rear and put the new tire on the front.
03-06-21, 04:52 PM
Replies: 33
Views: 675
Posted By JohnDThompson

I dropped one of the rare, proprietary stand-offs...

I dropped one of the rare, proprietary stand-offs for mounting a third chainring on an Avocet crank. Not sure how long I spent looking for it, but about a year and a half later I found it while...
03-05-21, 08:38 AM
Replies: 1
Views: 235
Posted By JohnDThompson

I'm thinking Lambert/Viscount as the provenance...

I'm thinking Lambert/Viscount as the provenance of the post. I have one; works fine, parts interchange with Campagnolo.
03-04-21, 02:09 PM
Replies: 14
Views: 392
Posted By JohnDThompson

Pretty much anywhere bicycle cables are sold....

Pretty much anywhere bicycle cables are sold. Otherwise:

https://images-na.ssl-images-amazon.com/images/I/51VsGUVQHgL._AC_.jpg...
03-03-21, 08:08 AM
Replies: 70
Views: 1,960
Posted By JohnDThompson

The internal cable routing looks like something a...

The internal cable routing looks like something a previous owner did to adapt the bike to road use, as do the QR front hub and drilled fork crown and brake bridge.
02-27-21, 08:14 AM
Replies: 5
Views: 251
Posted By JohnDThompson

Your 111mm Campagnolo bottom bracket is a...

Your 111mm Campagnolo bottom bracket is a symmetrical spindle for C-Record and newer cranks. The 114mm OMAS bottom bracket is probably intended for a preC-Record asymmetrical (Record/Super Record or...
Showing results 1 to 50 of 655
 


 
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