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Search: Posts Made By: JohnDThompson
Showing results 1 to 50 of 1000
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04-09-21, 04:45 PM
Replies: 75
Views: 8,795
Posted By JohnDThompson

+1 for the Take-a-Look glasses-mounted mirror....

+1 for the Take-a-Look glasses-mounted mirror. It's small and light, and a slight turn of my head scans everything behind me; no blind spot. The slight neck turn to scan isn't enough to aggravate the...
04-09-21, 04:33 PM
Replies: 2
Views: 110
Posted By JohnDThompson

What make/model of Dynohub?

What make/model of Dynohub?
04-09-21, 03:12 PM
Replies: 4
Views: 182
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: 423
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.
04-08-21, 06:14 AM
Replies: 4
Views: 202
Posted By JohnDThompson

A crown race with I.D. of 26.5mm would, if...

A crown race with I.D. of 26.5mm would, if anything, be loose on a 26.4mm crown race seat.
04-07-21, 05:25 PM
Replies: 11
Views: 380
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...
04-07-21, 05:01 PM
Replies: 8
Views: 258
Posted By JohnDThompson

Yes, in principle it can be repaired, but unless...

Yes, in principle it can be repaired, but unless there's great sentimental value in the bike, or you're willing and able to do the work yourself, it's likely not worthwhile.

There are four tubes...
04-07-21, 04:42 PM
Replies: 9
Views: 280
Posted By JohnDThompson

My guess would be late 70s to early 80s...

My guess would be late 70s to early 80s "Mirage."
04-06-21, 07:59 PM
Replies: 3,857
Views: 350,154
Posted By JohnDThompson

Phil Wood and Zeus both made thin-wall tools that...

Phil Wood and Zeus both made thin-wall tools that ought to work. Park also makes a splined tool that will ft the freewheel, but for some hubs, e.g. Campagnolo Record and some others, it won't fit...
04-06-21, 07:45 PM
Replies: 7
Views: 266
Posted By JohnDThompson

Internal gear hub adapted to modern cassette and...

Internal gear hub adapted to modern cassette and disc brake systems. Have they addressed the higher internal friction of hub gears?
04-05-21, 08:17 PM
Replies: 25
Views: 3,470
Posted By JohnDThompson

Correct.

Correct.
04-05-21, 08:16 PM
Replies: 25
Views: 3,470
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....
04-05-21, 07:30 PM
Replies: 11
Views: 220
Posted By JohnDThompson

Yes, easy with the "correct tool." But keep...

Yes, easy with the "correct tool."

But keep in mind you'll need another "correct tool" to reinstall them properly.

If the goal is merely to remove the surface rust for cosmetic reasons, leave...
04-05-21, 06:26 PM
Replies: 116
Views: 2,743
Posted By JohnDThompson

Jersey pocket for me. And even though the phone...

Jersey pocket for me. And even though the phone is supposed to be waterproof, I put it in a ziplock bag. Otherwise, sweat collects between the Otterbox window and the screen and I have to take the...
04-05-21, 06:40 AM
Replies: 16
Views: 505
Posted By JohnDThompson

Yes, because the pads bear on the surface of the...

Yes, because the pads bear on the surface of the rim adjacent to the spokes, rather than on the sidewall.
Forum: Road Cycling
04-04-21, 08:22 PM
Replies: 23
Views: 493
Posted By JohnDThompson

No, not really. It's not hard to pull your feet...

No, not really. It's not hard to pull your feet out of toeclips when you use uncleated shoes. But uncleated shoes offer only marginal advantage over bare pedals. Toeclips and slotted cleats are just...
04-04-21, 08:01 PM
Replies: 8
Views: 219
Posted By JohnDThompson

And Phil Wood could supply 1-3/8" x 26tpi...

And Phil Wood could supply 1-3/8" x 26tpi mounting rings for a Phil cartridge of your choice.
04-04-21, 06:02 AM
Replies: 24
Views: 619
Posted By JohnDThompson

A dental caliper is an inexpensive tool to...

A dental caliper is an inexpensive tool to measure rim wear. Usually can be had for about US$5. The problem is, you have to know how much wear is too much wear.
04-02-21, 10:02 AM
Replies: 40
Views: 1,058
Posted By JohnDThompson

Once I became a geezer, I stopped caring about...

Once I became a geezer, I stopped caring about stuff like "power output."
04-02-21, 09:58 AM
Replies: 25
Views: 642
Posted By JohnDThompson

Virtually all dropout adjuster bolts from the...

Virtually all dropout adjuster bolts from the 1960s on are 3mm x 0.5mm thread.
04-02-21, 09:25 AM
Replies: 2
Views: 135
Posted By JohnDThompson

Harris Cyclery lists them: ...

Harris Cyclery lists them:

https://www.sefiles.net/merchant/370/images/large/hsa106.jpg
https://www.harriscyclery.net/product/sturmey-archer-lubricator-oil-cap-816.htm
04-02-21, 06:14 AM
Replies: 22
Views: 420
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:
04-01-21, 06:31 AM
Replies: 22
Views: 420
Posted By JohnDThompson

The best remover tools for those Regina 2-notch...

The best remover tools for those Regina 2-notch bodies are the Bicycle Research CT-1 and old-style Dura-Ace tools, as they have a stabilizing ring to minimize the risk of the tool slipping and...
03-30-21, 06:02 PM
Replies: 20,218
Views: 3,391,003
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, 01:39 PM
Replies: 5
Views: 201
Posted By JohnDThompson

Yup. That''s a Gipiemme dropout. And it's a road...

Yup. That''s a Gipiemme dropout. And it's a road frame, not track.
03-30-21, 01:24 PM
03-30-21, 01:19 PM
Replies: 9
Views: 247
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.
03-30-21, 01:17 PM
Replies: 18
Views: 469
Posted By JohnDThompson

Do you have the rings installed with the proper...

Do you have the rings installed with the proper side facing out (if counterbored, it should be obvious, but you never know)?

If indexed shifting, do you have the pins in the proper orientation...
03-30-21, 05:57 AM
Replies: 5
Views: 216
Posted By JohnDThompson

Tektro makes some long-reach, dual pivot...

Tektro makes some long-reach, dual pivot calipers. With decent pads they provide adequate stopping power. I used these when I converted my wife's bike to 650B:
03-28-21, 07:50 PM
Replies: 8
Views: 266
Posted By JohnDThompson

One of the guys who volunteers at the charity...

One of the guys who volunteers at the charity shop where I work has a fully-enclosed recumbant. He usually rides it with the cover off, because otherwise it gets too steamy inside.
03-28-21, 07:39 PM
Replies: 211
Views: 14,442
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: 29
Views: 624
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: 163
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, 03:56 PM
Replies: 24
Views: 859
Posted By JohnDThompson

I carry a Park RW-1; fits 15mm pedals and...

I carry a Park RW-1; fits 15mm pedals and fixed-gear axle nuts, and 32mm threaded headsets, and is small enough to go in an under-saddle bag or can be mounted under a frame-mounted bottle cage.
03-27-21, 03:44 PM
Replies: 38
Views: 889
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, 05:53 PM
Replies: 17
Views: 447
Posted By JohnDThompson

Look for the ETRTO/ISO size designation on the...

Look for the ETRTO/ISO size designation on the tire sidewall. A 27" x 1.25" tire should be marked something like "32-630" where the first number is the nominal width and the second is the bead seat...
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: 3,857
Views: 350,154
Posted By JohnDThompson

PM sent.

PM sent.
03-25-21, 06:00 AM
Replies: 5
Views: 275
Posted By JohnDThompson

I suspect that the lever is too loose. If you're...

I suspect that the lever is too loose. If you're using the SIS downtube levers, be aware that (unlike other downtube levers) the D-ring on the right (rear derailleur) lever is not used to set lever...
Forum: Road Cycling
03-24-21, 03:35 PM
Replies: 13
Views: 584
Posted By JohnDThompson

Have you discussed this with your physician?...

Have you discussed this with your physician? There is growing evidence that even mild COVID-19 cases can cause long term, possibly permanent heart, lung, or kidney damage. An EKG and/or pulmonary...
Forum: Framebuilders
03-24-21, 03:18 PM
Replies: 21
Views: 640
Posted By JohnDThompson

This chart from Equus Bicycle...

This chart from Equus Bicycle (http://www.equusbicycle.com/bike/reynolds/constructorstubeguide.htm) suggests 753 (road and track) and 531 "Professional" and "Competition" shared the same blade taper....
03-24-21, 12:45 PM
Replies: 19
Views: 571
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,...
03-24-21, 12:37 PM
Replies: 19
Views: 571
Posted By JohnDThompson

That happens to be a Miche lockring. Quite solid,...

That happens to be a Miche lockring. Quite solid, and a fraction of the cost of Campagnolo or Phil Wood.

https://cdn.shopify.com/s/files/1/0836/4641/products/miche-lockring.jpg...
03-23-21, 08:30 PM
Replies: 19
Views: 571
Posted By JohnDThompson

I've used Cobra and TDC sprockets on Campagnolo...

I've used Cobra and TDC sprockets on Campagnolo track hubs without problems. Here's a Cobra sprocket on a Campagnolo track hub:
03-23-21, 12:42 PM
Replies: 4
Views: 169
Posted By JohnDThompson

I don't have a Criterium, but I do have a Gran...

I don't have a Criterium, but I do have a Gran Sport, if that would work for you:
03-23-21, 12:04 PM
Replies: 108
Views: 4,313
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.
03-23-21, 06:16 AM
Replies: 108
Views: 4,313
Posted By JohnDThompson

Presta is easier to pump to high pressure with a...

Presta is easier to pump to high pressure with a hand pump as there's no valve spring to fight.
03-22-21, 04:29 PM
Replies: 9
Views: 302
Posted By JohnDThompson

Well, considering the sale to Selle Italia...

Well, considering the sale to Selle Italia happened ten years ago, they don't appear to be in any great hurry at least.
03-22-21, 06:42 AM
Replies: 77
Views: 1,606
Posted By JohnDThompson

"Megarange" is Shimano marketing-speak for a...

"Megarange" is Shimano marketing-speak for a freewheel with several relatively closely spaced sprockets for the higher gears and a large jump to an extra-low bail-out gear. I'm not aware that they...
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.
Showing results 1 to 50 of 1000
 


 
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