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Search: Posts Made By: JohnDThompson
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09-17-21, 11:29 AM
Replies: 7
Views: 155
Posted By JohnDThompson

No, the MF-TZ31 is a freewheel, not a cassette....

No, the MF-TZ31 is a freewheel, not a cassette. The OP says he already unsuccessfully tried the Park FR-5.2, which should have worked if he actually had a cassette:



He needs either the Park...
09-17-21, 06:36 AM
Replies: 7
Views: 155
Posted By JohnDThompson

Park FR-1.3 or Shimano TL-FW30 will work on your...

Park FR-1.3 or Shimano TL-FW30 will work on your freewheel.
09-17-21, 06:18 AM
Replies: 5
Views: 329
Posted By JohnDThompson

You could be right:

You could be right:
09-16-21, 08:11 AM
Replies: 5
Views: 329
Posted By JohnDThompson

That's the tension adjuster for Gran Sport...

That's the tension adjuster for Gran Sport shifters:
09-16-21, 07:56 AM
Replies: 60
Views: 1,033
Posted By JohnDThompson

Whatever you clean using kerosene or WD-40 or...

Whatever you clean using kerosene or WD-40 or whatever that leaves an oily film will have that oily film completely coating the part you cleaned, where it will collect dirt and grit while in use. If...
09-15-21, 08:26 PM
Replies: 60
Views: 1,033
Posted By JohnDThompson

The degreaser itself may be biodegradeable, but...

The degreaser itself may be biodegradeable, but the stuff it removes from your bike components is not biodegradeable.

I like OMS because it is safe and effective, and can be reused multiple times...
09-15-21, 06:19 AM
Replies: 16
Views: 349
Posted By JohnDThompson

There are at least half a dozen mutually...

There are at least half a dozen mutually incompatible, nominally 26" tire sizes, three of which include the "650" designation (650A, with 590mm bead seat diameter, 650B, with 584mm BSD, and 650C,...
09-14-21, 07:38 AM
Replies: 102
Views: 12,026
Posted By JohnDThompson

I have several Zeus cranks in use currently (two...

I have several Zeus cranks in use currently (two road doubles, one track) that have given me several decades of trouble-free use. The biggest problem is finding chainrings for the unique Zeus...
09-14-21, 07:25 AM
Replies: 6
Views: 248
Posted By JohnDThompson

I've not seen that Shimano ever offered these...

I've not seen that Shimano ever offered these separately as replacement parts. It's possible that a bearing supply house might have suitable replacements. Failing that, the old-school sealing was...
09-14-21, 07:22 AM
Replies: 15
Views: 392
Posted By JohnDThompson

Having four spokes break suggests this will...

Having four spokes break suggests this will continue to be a problem. At 220#, you may better be served by a hand built and tensioned wheel. If the rim and hub are in decent condition, those may be...
09-14-21, 07:18 AM
Replies: 5
Views: 172
Posted By JohnDThompson

Look for pits in the bearing cones, and chips on...

Look for pits in the bearing cones, and chips on the sun and planet gears. Sourcing replacements might be a problem.
09-14-21, 07:04 AM
Replies: 14
Views: 266
Posted By JohnDThompson

Are you certain that what you think is wear is...

Are you certain that what you think is wear is not actually shift ramps to facilitate shifting?



In many cases, the chainrings are available separately. You do need to know the bolt-circle...
09-14-21, 06:56 AM
Replies: 307
Views: 51,094
Posted By JohnDThompson

Not to mention, Falk, Durifort, Vitus, Accles &...

Not to mention, Falk, Durifort, Vitus, Accles & Pollock, Phoenix, etc.
09-13-21, 12:05 PM
Replies: 33
Views: 885
Posted By JohnDThompson

And sometimes it knocks the pad clean out of the...

And sometimes it knocks the pad clean out of the holder, which can be a PITA if it happens away from your home/shop. I'll take a few seconds to remove the pad to avoid this.
09-13-21, 11:56 AM
Replies: 39
Views: 953
Posted By JohnDThompson

For black sidewalls, it may be as simple as using...

For black sidewalls, it may be as simple as using a black marker pen.
09-13-21, 07:05 AM
Replies: 39
Views: 953
Posted By JohnDThompson

I prefer tan sidewalls because blackwall tires...

I prefer tan sidewalls because blackwall tires always remind me too much of the cheap, heavy, nasty department store tires BITD. Good tires BITD had thin, supple, tan sidewalls. Today's blackwall...
09-13-21, 06:58 AM
Replies: 2,101
Views: 227,499
Posted By JohnDThompson

I've had good luck with the YJ Servizio Corse...

I've had good luck with the YJ Servizio Corse tires being both round and straight. I note that Miele Man has not yet glued the tires onto the rims. That is good. I always stretch my tires on rims for...
09-13-21, 06:34 AM
Replies: 7
Views: 243
Posted By JohnDThompson

Yes, you can break the chain to clean it, but...

Yes, you can break the chain to clean it, but first look closely at the chain to see if there is a quick-link already installed. If you find one, use that to open the chain. If not, break the chain...
09-12-21, 06:28 PM
Replies: 10
Views: 268
Posted By JohnDThompson

Sure, but there's no real advantage in using...

Sure, but there's no real advantage in using indexed derailleur cable housing with a friction shifting system. Before indexed shifting appeared on the scene, the same type of housing was used for...
09-12-21, 05:53 PM
Replies: 33
Views: 885
Posted By JohnDThompson

Not sure; that's why I asked. I see plenty of...

Not sure; that's why I asked. I see plenty of people riding around with their caliper release levers in the open position, so it's a real possibility that the caliper was adjusted with the release...
09-11-21, 06:57 PM
Replies: 33
Views: 885
Posted By JohnDThompson

Absolutely serious. It takes maybe ten seconds to...

Absolutely serious. It takes maybe ten seconds to remove or install a brake pad; much less time and effort than deflating and reinflating a tire with a hand pump.

But Rick Makes a good point re:...
09-11-21, 06:29 PM
Replies: 33
Views: 885
Posted By JohnDThompson

Or, remove one of the brake pads, remove the...

Or, remove one of the brake pads, remove the wheel. Return the pad to the caliper after re-installing the wheel. I find that to be less work than pumping the tire all the way up again.
09-11-21, 06:23 PM
Replies: 75
Views: 1,649
Posted By JohnDThompson

Thigh-length Jobst stockings, FTW! :lol: ...

Thigh-length Jobst stockings, FTW! :lol:
...
09-11-21, 05:43 AM
09-10-21, 06:30 AM
Replies: 33
Views: 740
Posted By JohnDThompson

Sometimes the marks are somewhat arcane; rather...

Sometimes the marks are somewhat arcane; rather than explicitly stating the thread spec, cup shape, presence or absence of rings, etc. were used to indicate thread spec:
09-10-21, 06:14 AM
Replies: 6
Views: 231
Posted By JohnDThompson

Stripped pedal thread in crank arm should be...

Stripped pedal thread in crank arm should be repairable with a helicoil for less than the cost of a new crank. Have you checked with bike shops about helicoil repair?
09-09-21, 06:44 AM
Replies: 12
Views: 8,547
Posted By JohnDThompson

I took my web site down a couple months ago, when...

I took my web site down a couple months ago, when I switched ISPs, so the link to "Bicycle Geometry 101" no longer works. I'll upload it here to make it accessible:
09-08-21, 06:07 AM
Replies: 79
Views: 1,421
Posted By JohnDThompson

Pumped up the tires and went for a ride!

Pumped up the tires and went for a ride!
09-07-21, 06:05 AM
Replies: 9
Views: 178
Posted By JohnDThompson

VAR-78. Works on tight jar lids in the kitchen,...

VAR-78. Works on tight jar lids in the kitchen, too:
09-07-21, 05:17 AM
Replies: 11
Views: 486
Posted By JohnDThompson

Dish detergent with water, in a spray bottle....

Dish detergent with water, in a spray bottle. Wipe off with clean rags. Use OMS on stubborn tar or grease.
09-06-21, 07:10 PM
Replies: 16
Views: 523
Posted By JohnDThompson

The Gran Sport shifter is significantly different...

The Gran Sport shifter is significantly different from the Record shifter. The Dia-Compe levers will not fit on the Gran Sport clamp.
09-06-21, 06:35 PM
Replies: 16
Views: 535
Posted By JohnDThompson

Nice bike. I concur it's probably a custom build...

Nice bike. I concur it's probably a custom build re-badged as a Puch for sponsorship reasons.



This style Cinelli BB shell was made before about 1981. The later shells had the "winged C" logo...
09-06-21, 04:12 PM
Replies: 19
Views: 927
Posted By JohnDThompson

I like to be able to move the upper run of the...

I like to be able to move the upper run of the chain up/down by about 1-2cm at the midpoint between the crank and the rear sprocket. Looser than that, and I get annoying lash when I change pedal...
09-06-21, 03:46 PM
Replies: 4
Views: 198
Posted By JohnDThompson

If a thief really wants your bike, chances are,...

If a thief really wants your bike, chances are, they'll get it regardless of the lock. When possible, keep the bike indoors, in a secure location. If you have to leave your bike unattended for an...
09-06-21, 02:52 PM
Replies: 76
Views: 2,150
Posted By JohnDThompson

Wheelsmith are made in Milwaukee. ...

Wheelsmith are made in Milwaukee.



Selle Anatomica are made in California.



Paul derailleurs are made in California, but only rear, AFAIK.
09-06-21, 05:44 AM
Replies: 24
Views: 588
Posted By JohnDThompson

Or as soon as you buy another set of spokes to...

Or as soon as you buy another set of spokes to build the other wheel.
09-06-21, 05:32 AM
Replies: 21
Views: 540
Posted By JohnDThompson

SunTour derailleurs don't have an upper pivot...

SunTour derailleurs don't have an upper pivot spring, and rely on that stop to hold the parallelogram in place. Lacking the stop, chain tension will pull the parallelogram too far forward.
Forum: Road Cycling
09-05-21, 01:22 PM
Replies: 10
Views: 368
Posted By JohnDThompson

Yeah, some tire manufacturers do that. Doesn't...

Yeah, some tire manufacturers do that. Doesn't mean it's right, though. As far as I'm concerned, they should just throw out all those archaic tire/rim size designations and leave only the unambiguous...
09-05-21, 12:52 PM
Replies: 27
Views: 900
Posted By JohnDThompson

I've ridden six century rides on my fixed gear...

I've ridden six century rides on my fixed gear bike. I'm a big fan of setting my own pace.
09-05-21, 12:43 PM
Replies: 6
Views: 332
Posted By JohnDThompson

I rode a lot in that Evansville-New Glarus area...

I rode a lot in that Evansville-New Glarus area when I lived in Madison. Now, there's the New Glarus Brewery, which is a popular cycling destination, but it didn't open until 1993, long after I left...
09-05-21, 12:36 PM
Replies: 40
Views: 1,017
Posted By JohnDThompson

VAR makes a similar bead jack, with included tire...

VAR makes a similar bead jack, with included tire levers:
09-05-21, 12:32 PM
Replies: 5
Views: 214
Posted By JohnDThompson

Definitely SunTour. Either V-Luxe or V-GT-Luxe,...

Definitely SunTour. Either V-Luxe or V-GT-Luxe, depending on cage length.
09-05-21, 12:27 PM
Replies: 2
Views: 145
Posted By JohnDThompson

I'm thinking "Fiamme"

I'm thinking "Fiamme"
09-04-21, 08:51 PM
Replies: 13
Views: 383
Posted By JohnDThompson

You shouldn't be breaking hanger s that often. Is...

You shouldn't be breaking hanger s that often. Is the derailleur properly adjusted? Is the hanger properly aligned (even new hangers need to have alignment checked)?
09-04-21, 05:34 PM
Replies: 7
Views: 248
Posted By JohnDThompson

3-arm, 116mm BCD rings were made by many...

3-arm, 116mm BCD rings were made by many manufacturers BITD, and should be interchangeable. From Sutherland's 4th Edition:
09-04-21, 05:08 PM
Replies: 37
Views: 696
Posted By JohnDThompson

OP says his race seat measures 26.7mm, so a JIS...

OP says his race seat measures 26.7mm, so a JIS 27.0mm race will be a loose fit. Milling to ISO spec isn't a big deal, and opens a wider range of headset possibilities than JIS.
09-04-21, 07:56 AM
Replies: 13
Views: 671
Posted By JohnDThompson

I have a set of those lugs. I forget who made...

I have a set of those lugs. I forget who made them, but they came off the shelf with that cut-out pattern.
09-04-21, 06:20 AM
Replies: 37
Views: 696
Posted By JohnDThompson

Take the fork to an established bike shop with a...

Take the fork to an established bike shop with a proper fork race seat tool and have the race seat milled to ISO 26.4mm diameter. It shouldn't cost very much or take very long if you just bring the...
09-03-21, 09:37 AM
Replies: 9
Views: 439
Posted By JohnDThompson

Super Plate was Shimano's response to the Huret...

Super Plate was Shimano's response to the Huret Duopar derailleur, which set the standard for smooth, wide range shifting. SunTour's response was the Mountech derailleur. Both Super Plate and...
09-02-21, 06:18 AM
Replies: 21
Views: 529
Posted By JohnDThompson

Investment cast one-piece head tube, seat lug,...

Investment cast one-piece head tube, seat lug, and dropouts with bulge-formed BB shell puts it at mid-80s. Later production would have used an investment cast shell with integrated chainstay bridge....
Showing results 1 to 50 of 1000
 


 
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