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Search: Posts Made By: JohnDThompson
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01-21-20, 05:21 PM
Replies: 6
Views: 136
Posted By JohnDThompson

I run wire bead Paselas on hookless Weinmann...

I run wire bead Paselas on hookless Weinmann rims. I haven't had any problems, but I don't run them above 90psi.
01-21-20, 05:17 PM
Replies: 6
Views: 107
Posted By JohnDThompson

AFAIK, ETRTO doesn't make recommendations; they...

AFAIK, ETRTO doesn't make recommendations; they just define a uniform standard for designating bead seat diameter and rim width. Tire and rim manufacturers make recommendations on what dimensions...
01-21-20, 10:32 AM
Replies: 13
Views: 352
Posted By JohnDThompson

WalMart assemblers have neither the skill, nor...

WalMart assemblers have neither the skill, nor the tools, nor the time to open the bottom bracket and/or hubs, and/or headset to ensure sufficient grease is present.

That said, WalMart assemblers...
01-21-20, 10:22 AM
Replies: 5
Views: 179
Posted By JohnDThompson

Do the pedals on your older Nishikis use steel...

Do the pedals on your older Nishikis use steel rather than aluminum for the broken pieces?
01-20-20, 10:36 PM
Replies: 9
Views: 189
Posted By JohnDThompson

+1 on grinding worn tools back to square. If it...

+1 on grinding worn tools back to square. If it was a decent quality tool to start with, it will be hardened steel, and difficult to cut with e.g. a hacksaw or file; thus the need to grind.
01-20-20, 10:24 PM
Replies: 51
Views: 1,761
Posted By JohnDThompson

The VAR bead jack incorporates a tire lever for...

The VAR bead jack incorporates a tire lever for removing the tire with a bead jack to re-mount the tire in a single tool. It doesn't have the leverage of the Kool-Stop bead jack, but is more portable...
01-20-20, 10:18 PM
Replies: 19
Views: 199
Posted By JohnDThompson

Make certain you have the cable routed properly....

Make certain you have the cable routed properly. Improper routing can prevent the shifter from positioning the derailleur in the proper location.

What make and model derailleur are you using? Is...
01-20-20, 10:14 PM
Replies: 8
Views: 146
Posted By JohnDThompson

What specific derailleurs are you referring to...

What specific derailleurs are you referring to here? Side-to-side play in the guide (upper) pulley is a design feature with derailleurs intended for indexed shifting systems, where post-shift trim is...
01-20-20, 03:07 PM
Replies: 17
Views: 345
Posted By JohnDThompson

I suspect those gouges may be a result of not...

I suspect those gouges may be a result of not bothering to clean the swarf off the cutters between frames.
Forum: Framebuilders
01-20-20, 01:48 PM
Replies: 28
Views: 376
Posted By JohnDThompson

My recollection from the 753 days is that all the...

My recollection from the 753 days is that all the cold-working; butting, tapering, raking, etc., was done prior to the heat treatment.
01-20-20, 01:34 PM
Replies: 22
Views: 329
Posted By JohnDThompson

None other than Yellow Jersey's Andy Muzi is on...

None other than Yellow Jersey's Andy Muzi is on record for the Svelto:

https://www.cyclingforums.com/threads/re-huret-jubile-deraileurs-any-good.144849/
01-19-20, 01:20 PM
Replies: 17
Views: 345
Posted By JohnDThompson

The V-shaped crown race was intended to be more...

The V-shaped crown race was intended to be more durable than a traditional parabolic race by providing two bearing tracks in the race to spread the wear. The problem with it was that it was very...
01-19-20, 09:16 AM
Replies: 33
Views: 389
Posted By JohnDThompson

Friction shifting shouldn't have a problem with a...

Friction shifting shouldn't have a problem with a 16T jump. A slight overshift to move the chain, followed by trim should become second nature with a little practice.
01-18-20, 09:27 PM
Replies: 33
Views: 389
Posted By JohnDThompson

Yes, you're right. But still, ramps and...

Yes, you're right.


But still, ramps and pins are really only an issue if you are using indexed front shifting. Are you?
01-18-20, 09:25 PM
Replies: 12
Views: 407
Posted By JohnDThompson

Looks nice. Not quite in the same league as a...

Looks nice. Not quite in the same league as a Trek 770, but still quite rideable.
01-18-20, 09:11 PM
Replies: 7
Views: 235
Posted By JohnDThompson

Yes, it's true. But there are at least two...

Yes, it's true.

But there are at least two complementary approaches to minimizing the risk of losing your bike:

1) Use the biggest, toughest, bad-a** chain and lock you can find.

2) Make...
Forum: Road Cycling
01-18-20, 02:45 PM
Replies: 19,103
Views: 3,916,162
Posted By JohnDThompson

And two sizes of spoke wrench. :thumb:

And two sizes of spoke wrench. :thumb:
01-18-20, 02:07 PM
Replies: 60
Views: 7,112
Posted By JohnDThompson

Modolo made their own version, the Kronos: ...

Modolo made their own version, the Kronos:

http://velobase.com/CompImages/Brakes/3098D9D0-7086-44FC-AB2F-127C13275B55.jpeg
VeloBase.com - Component: Modolo Kronos...
01-18-20, 01:41 PM
Replies: 16
Views: 304
Posted By JohnDThompson

Replace both cones, use new balls, and check the...

Replace both cones, use new balls, and check the dropout alignment as well.
01-16-20, 03:59 PM
Replies: 19
Views: 406
Posted By JohnDThompson

I mentioned the work-arounds in my previous...

I mentioned the work-arounds in my previous response: less aggressive tread, lower profile tires, and/or smaller radius wheels.

Anything else, you pays yer money and you takes yer chances.
01-16-20, 03:08 PM
Replies: 64
Views: 3,192
Posted By JohnDThompson

Nor me. If Cannondale wanted a prototype...

Nor me.

If Cannondale wanted a prototype built, they had plenty of competent welders in-house to build it.
01-16-20, 02:09 PM
Replies: 8
Views: 182
Posted By JohnDThompson

In principle, it would work, but only with a...

In principle, it would work, but only with a single gear. In order to use multiple gears, you need the derailleur to move the chain to the new gear and accommodate any change in chain length by...
01-14-20, 08:31 PM
Replies: 19
Views: 406
Posted By JohnDThompson

There is not a great deal of clearance, and the...

There is not a great deal of clearance, and the aggressive knobs on the tires will facilitate gravel pick-up that could jam between the tire and the mudguard. At a minimum, this will cause a lot of...
01-14-20, 07:52 PM
Replies: 8
Views: 182
Posted By JohnDThompson

Glue it on, and glue rivet heads in place for the...

Glue it on, and glue rivet heads in place for the authentic look.
01-14-20, 08:55 AM
Replies: 22,144
Views: 2,342,364
Posted By JohnDThompson

AFAIK, that's the only way to remove the cog from...

AFAIK, that's the only way to remove the cog from the driver. Sturmey-Archer actually recommended replacing the threaded drivers with splined drivers once the splined driver became available.


...
01-13-20, 04:59 PM
Replies: 22
Views: 496
Posted By JohnDThompson

Not with a fuel/air torch; it would take too long...

Not with a fuel/air torch; it would take too long to get up to temperature and cause extensive paint damage. To do it properly, you'll want fuel/oxygen and a high silver content rod. But before that,...
01-12-20, 03:28 PM
Replies: 9
Views: 351
Posted By JohnDThompson

Probably the main reason you don't seem wingnuts...

Probably the main reason you don't seem wingnuts on track hubs is that most velodrome do not allow wingnuts or quick releases in competition. If you really want a tool-free means to remove your...
01-12-20, 03:02 PM
Replies: 11
Views: 193
Posted By JohnDThompson

This begs the question: what freewheel do you...

This begs the question: what freewheel do you have? A Campagnolo freewheel is marked as such, and has a distinctive gold ring. It requires a unique remover with helical prongs. Don't try anything...
01-11-20, 03:26 PM
Replies: 9
Views: 203
Posted By JohnDThompson

I've used A'me Modolo-copy hoods on mod. 77...

I've used A'me Modolo-copy hoods on mod. 77 levers. Since the Modolo hoods interchange with Campagnolo, I suspect any generic Campagnolo repop hood would work.

http://www.os2.dhs.org/~john/ame.jpg
Forum: Road Cycling
01-09-20, 04:53 PM
Replies: 9
Views: 267
Posted By JohnDThompson

Since you're not using slotted cleats, something...

Since you're not using slotted cleats, something like the MKS "Urban Platform" pedal would likely work for you. They're based on the old Lyotard mod. 23 "Marcel Berthet" pedals, but modernized with...
01-09-20, 04:39 PM
Replies: 16
Views: 434
Posted By JohnDThompson

Depends. If the frame was built to use 27"...

Depends. If the frame was built to use 27" wheels, there are only a couple decent quality options for tires, Panaracer "Paselas" and Swift "Sand Canyon." If there are others, I'm not aware.

You...
01-09-20, 04:19 PM
Replies: 62
Views: 1,945
Posted By JohnDThompson

The Deke Slayton Memorial Space and Bicycle...

The Deke Slayton Memorial Space and Bicycle Museum in Sparta WI:

https://dekeslaytonmuseum.org/
01-09-20, 04:11 PM
Replies: 14
Views: 309
Posted By JohnDThompson

Nicely done. Have you ridden with it yet? My only...

Nicely done. Have you ridden with it yet? My only concern is if the chain catches on the triplizer mount when shifting between the middle and inner rings.

Re: Nervar crank BCD. 116mm was not the...
01-09-20, 03:21 PM
Replies: 20
Views: 431
Posted By JohnDThompson

When my kids were that age, I rode with them on a...

When my kids were that age, I rode with them on a tandem with a "kidback (https://www.sheldonbrown.com/tandkids.html)" attachment. One of the advantages is that it is connected to your drivetrain, so...
01-09-20, 09:26 AM
Replies: 15
Views: 447
Posted By JohnDThompson

If your frame has a fixed (aka "braze-on") front...

If your frame has a fixed (aka "braze-on") front derailleur mount, that will also limit both the high and low range of chainring tooth counts.

As others have noted, the gearing you choose depends...
01-08-20, 07:51 AM
Replies: 63
Views: 2,202
Posted By JohnDThompson

I have toeclips on several of my bikes. If you're...

I have toeclips on several of my bikes. If you're concerned about being able to get your feet out quickly, leave the straps loose until your confidence builds. Tightening the straps makes them more...
01-08-20, 07:21 AM
Replies: 3
Views: 185
Posted By JohnDThompson

WD-40 will work to clean it, but is needlessly...

WD-40 will work to clean it, but is needlessly extravagant. Mineral spirits works just as well, and are both cheaper and reusable. Machine oil is adequate to re-lubricate. Freehub body bearings only...
01-06-20, 07:14 PM
Replies: 10
Views: 255
Posted By JohnDThompson

Looks a lot like Mark Stonich's BikeSmithDesign...

Looks a lot like Mark Stonich's BikeSmithDesign cotter press:

http://bikesmithdesign.com/CotterPress/Press.jpg
New Crank Cotter Press (http://bikesmithdesign.com/CotterPress/index.html)

The...
01-06-20, 09:58 AM
Replies: 8
Views: 323
Posted By JohnDThompson

The VAR-16 is a similar tool. ...

The VAR-16 is a similar tool.

http://www.os2.dhs.org/~john/var-16.jpg

Both the Hozan and the VAR are great tools, but a little on the pricey side. You can make your own lockring pliers fairly...
01-06-20, 09:54 AM
Replies: 25
Views: 489
Posted By JohnDThompson

Pretty sure the OP is referring to the curved...

Pretty sure the OP is referring to the curved cable conduit used with V-brakes.

https://www.jensonusa.com/globalassets/product-images---all-assets/shimano/br406z02-----90.jpg

Not sure there is...
01-06-20, 08:43 AM
Replies: 29
Views: 646
Posted By JohnDThompson

Yeah, that's one of the annoyances I hope to...

Yeah, that's one of the annoyances I hope to avoid by using the simple text editor.
01-05-20, 05:57 PM
Replies: 19
Views: 1,611
Posted By JohnDThompson

AKA "'roid rage." You don't even need to have a...

AKA "'roid rage." You don't even need to have a predisposition, although that may make it more likely to occur. My father was a very gentle man, but developed lupus toward the end of his life and was...
01-05-20, 05:46 PM
Replies: 29
Views: 646
Posted By JohnDThompson

Thanks. That seemed to work, although it is a bit...

Thanks. That seemed to work, although it is a bit more spare than even the previous non-WYSIWYG editor. Perhaps a suggestion to the vBulletin developers could be a button on all the editor...
01-05-20, 05:00 PM
Replies: 12
Views: 220
Posted By JohnDThompson

Yeah, it's fine. Just make sure the mounting bolt...

Yeah, it's fine. Just make sure the mounting bolt is tight to hold it in place.
01-05-20, 04:55 PM
Replies: 29
Views: 646
Posted By JohnDThompson

Is there a way that I can make the old,...

Is there a way that I can make the old, plain-text editor the default for my profile? The WYSIWYG editor takes a long time to load on my old, slow machine, and if there are any pictures in a comment...
01-05-20, 04:28 PM
Replies: 38
Views: 875
Posted By JohnDThompson

Pretty sure it's a Stronglight. The Stronglight...

Pretty sure it's a Stronglight. The Stronglight tool has a shoulder, and uses a 16mm wrench. The TA lacks the shoulder, should be stamped with the TA logo, and uses a 15mm wrench. The socket with the...
01-05-20, 04:14 PM
Replies: 38
Views: 875
Posted By JohnDThompson

Sugino made two different crank extractors. Ther...

Sugino made two different crank extractors. Ther one in the OP's picture was for the Maxy cranks, which had a "male" spindle and 14mm nuts to attach the crank arms.

The other was for the "Mighty"...
01-05-20, 10:59 AM
Replies: 22,144
Views: 2,342,364
Posted By JohnDThompson

Yes, that's the typical location: ...

Yes, that's the typical location:

https://i.ebayimg.com/00/s/NTc2WDEwMjQ=/z/VycAAOSw1RVaca9L/$_86.JPG

http://www.os2.dhs.org/~john/sturmey-archer-dbu.jpg
01-05-20, 10:53 AM
Replies: 39
Views: 1,022
Posted By JohnDThompson

What's wrong with the "porta tubulares?"...

What's wrong with the "porta tubulares?" :innocent:

https://live.staticflickr.com/5634/30241943643_6a442e5eba_b.jpg
01-05-20, 09:57 AM
Replies: 15
Views: 511
Posted By JohnDThompson

Don't use a grinding wheel on aluminum; it will...

Don't use a grinding wheel on aluminum; it will clog the wheel and may cause it to overheat and shatter. If you really want to modify the post, use sandpaper, or better yet, a lathe.

Rather than...
Showing results 1 to 50 of 1000
 


 
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