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10-14-19, 08:00 PM
Replies: 62
Views: 2,825
Posted By 63rickert

First heard of measuring chain elongation in...

First heard of measuring chain elongation in 1966, from a maintenance article in the old American Cycling magazine, predecessor to the current Bicycling. Back then the rule was 1% stretch. My chain...
10-14-19, 01:18 PM
Replies: 62
Views: 2,825
Posted By 63rickert

He's claiming about twice what I expect to get....

He's claiming about twice what I expect to get. By keeping his chain so very clean he should get somewhat more than I get. My wife who weighs a mere 105 pounds basically uses one chain per bike. One...
10-12-19, 06:17 PM
Replies: 28
Views: 680
Posted By 63rickert

Thank you for reminding one and all that grease...

Thank you for reminding one and all that grease is oil and soap. This is why after working with grease it is possible to clean one's hands with soap and water. OP was asking about how to do the job...
10-12-19, 01:47 PM
Replies: 33
Views: 875
Posted By 63rickert

This is being done right now. Some of us are...

This is being done right now. Some of us are using very light tires, sizing them wider, using much lower pressure. Latex inner tubes are stretchy, even if they do have other problems. In some ways it...
10-12-19, 09:35 AM
Replies: 10
Views: 270
Posted By 63rickert

Stop worrying about pedal strike. Back when...

Stop worrying about pedal strike. Back when racers all used wide Campy 1037 pedals we all ground the outside corner of the pedal into the pavement on every corner. And never noticed a thing. It...
10-12-19, 07:25 AM
Replies: 16
Views: 595
Posted By 63rickert

I used Schwalbe Big Apples on my commuter for a...

I used Schwalbe Big Apples on my commuter for a decade. After the third rear tire wore through with no flats decided those tires were just overbuilt. No flats for a decade is nice and Schwalbe...
10-12-19, 07:00 AM
Replies: 33
Views: 875
Posted By 63rickert

Michelin Uptis airless tires are slated for...

Michelin Uptis airless tires are slated for release in 2024. Which is the sort of deadline that says it may or may not ever happen. The work involved in applying that tech to bicycles would be...
10-11-19, 12:27 PM
Replies: 84
Views: 3,815
Posted By 63rickert

Lowering the saddle even a little bit can take a...

Lowering the saddle even a little bit can take a lot of weight off the handlebars.

Some of us are lucky with saddles and some go through lots of saddles. Lower and level was evidently a good...
10-11-19, 10:55 AM
Replies: 34
Views: 1,071
Posted By 63rickert

Agreed. What does cause problems is loose bolts...

Agreed. What does cause problems is loose bolts and wrong bolts/spacers. Whenever I've encountered complaints about deflection, stuck chain, bad shifting, the problem was the bolts. It is more...
10-11-19, 09:05 AM
Replies: 84
Views: 3,815
Posted By 63rickert

Have you ridden it yet with saddle adjustment?...

Have you ridden it yet with saddle adjustment? One guess, and it is a guess, is that the post is not giving a full range of adjustment because the saddle is also as far forward as it can go. A couple...
10-11-19, 07:31 AM
Replies: 84
Views: 3,815
Posted By 63rickert

Saddle on the Miyata is sloping down. This throws...

Saddle on the Miyata is sloping down. This throws weight to handlebars and means the rider will always be pushing on 'bars to get back up on the saddle. Looks more to me like need for a simple saddle...
10-10-19, 10:28 PM
Replies: 12
Views: 256
Posted By 63rickert

https://www.grainger.com/product/WESTWARD-Adjustab...

https://www.grainger.com/product/WESTWARD-Adjustable-Blade-Hand-Reamer-4LGT5

This is a fairly basic cheap tool. Don't expect it to last forever. Fortunately reaming out a seat tube is not that...
10-10-19, 10:46 AM
Replies: 91
Views: 5,894
Posted By 63rickert

What holds a tubular on the rim is both glue and...

What holds a tubular on the rim is both glue and the clamping force that comes from inflating the tire. The tire expands when inflated and that holds the tire tight to rim. Old dried glue on the rim...
10-09-19, 03:35 PM
Replies: 143
Views: 4,973
Posted By 63rickert

Suggestion for Michigan would be Matt Assenmacher...

Suggestion for Michigan would be Matt Assenmacher in Flint. A friend just broke his tandem steerer while riding to Toronto with his daughter and Assenmacher had him back on road the following...
10-09-19, 11:18 AM
Replies: 91
Views: 5,894
Posted By 63rickert

I live in the past. As much as possible. Will go...

I live in the past. As much as possible. Will go ride a 70 year old bike in an hour. But some stuff from the current era does work.

Sealant fixes flats for tubulars. Any small puncture is easily...
10-09-19, 09:41 AM
Replies: 37
Views: 1,097
Posted By 63rickert

Non-eyeletted rims were once simply known as...

Non-eyeletted rims were once simply known as washer rims. Some mfrs supply the washers and some don't. I started building wheels over 50 years ago so some of my knowledge might be regarded as simply...
10-09-19, 09:15 AM
Replies: 12
Views: 256
Posted By 63rickert

Totally agree with all of the above. One more...

Totally agree with all of the above. One more point is seatposts are not accurately sized. And they too can be less than round. Check the seatposts you are already working with against a good vernier...
10-08-19, 04:46 AM
Replies: 91
Views: 5,894
Posted By 63rickert

My memories are quite different. Never saw a tire...

My memories are quite different. Never saw a tire as narrow as 22mm until 1973. They were Clement Strada 66. I was working at the shop that year and I was the one who opened the crate. Looked at...
10-07-19, 07:37 PM
Replies: 91
Views: 5,894
Posted By 63rickert

It also took me some time to adjust to the...

It also took me some time to adjust to the passing of red glue. The new glues are basically contact cement. Glue on both rim and on base tape. When you true up the tire it is real different from...
10-07-19, 06:48 PM
Replies: 91
Views: 5,894
Posted By 63rickert

Those are some real nice results. And you know...

Those are some real nice results. And you know how you did it. Still does not look like what happened on autopilot in old days.

I am using a Jandd seatbag for tubulars. Either a late 70s or early...
10-07-19, 03:17 PM
Replies: 91
Views: 5,894
Posted By 63rickert

Tubulars are a superior system. Period. Heard...

Tubulars are a superior system. Period. Heard that recently?

Instead, terms of discussion are set by those who can't and don't. Plus those who had a bad experience forty years ago and can't quit....
10-06-19, 04:36 PM
Replies: 91
Views: 5,894
Posted By 63rickert

Panaracer sealant. Used in tubulars remains wet a...

Panaracer sealant. Used in tubulars remains wet a very long time. There are and have been butyl tubed tubulars in which sealant remains active for years. Leave the tube dry until first puncture....
10-06-19, 03:58 PM
Replies: 37
Views: 1,097
Posted By 63rickert

Referring to link already posted above the mfr...

Referring to link already posted above the mfr gives 110kg as max total load for a bike with zac19 rims. OP has stated the tandem in question weighs 470 pounds. Mfr has several other rims with rated...
10-05-19, 10:13 AM
Replies: 112
Views: 8,278
Posted By 63rickert

If you want to know something, do an experiment....

If you want to know something, do an experiment. Ride with different width tires. A good experiment would use the same bike and completely similar tires. For example Continental GP5000 exist in...
10-04-19, 11:57 PM
Replies: 12
Views: 399
Posted By 63rickert

50.4mm bcd crank arm. Tourists and tandems...

50.4mm bcd crank arm. Tourists and tandems wanting extra low gears have been mounting freewheel cogs onto them since forever. Requires a bit of machine shop work but no big deal and all pretty...
10-01-19, 05:53 PM
Replies: 37
Views: 1,097
Posted By 63rickert

A further note. Often, not always but often, a...

A further note. Often, not always but often, a washer helps the spoke nipple find alignment. Hardware store washers do this, specific nipple washers do it better. I've a small stock of Raleigh...
10-01-19, 05:29 PM
Replies: 37
Views: 1,097
Posted By 63rickert

Link to manufacturer's site: ...

Link to manufacturer's site: https://www.ryde.nl/zac-19

Max tension is given as 1300Nm. Also please note they consider this as a lighter duty rim. I would agree with that. Upgrade to Andra. Even...
10-01-19, 09:52 AM
Replies: 30
Views: 1,329
Posted By 63rickert

I think the app is not useful. I can keep track...

I think the app is not useful. I can keep track of readings in my head as the build goes along. For people who need an app to do anything it's probably OK. From a marketing perspective they have to...
10-01-19, 09:30 AM
Replies: 30
Views: 1,329
Posted By 63rickert

I have in my collection a wheel built fully 60...

I have in my collection a wheel built fully 60 years ago with very even tension, plus or minus 5% all the way around. Quite certain that wheel was never examined with a tension meter before I did it....
10-01-19, 07:28 AM
Replies: 45
Views: 1,552
Posted By 63rickert

Worked a lifetime in coatings. Simply do not...

Worked a lifetime in coatings. Simply do not believe you can find a retail paint store owner anywhere who will sell you lead paint. Those guys live under a microscope and know the law. Light-fingered...
09-29-19, 11:29 AM
Replies: 37
Views: 1,097
Posted By 63rickert

Unfortunate that any discussion of wheelbuilding...

Unfortunate that any discussion of wheelbuilding is always shrouded in arcana. With modern tools and current rims the task is accessible to all.

Just for the record I've not seen an OR10 in a very...
09-29-19, 09:13 AM
Replies: 37
Views: 1,097
Posted By 63rickert

1200Nm will be fine. Any rim can take that. Two...

1200Nm will be fine. Any rim can take that. Two caveats. First is that if the rim lacks eyelets you simply must use spoke washers. For OEM builds this step is omitted. OEM builds are seldom very...
09-29-19, 09:03 AM
Replies: 37
Views: 1,097
Posted By 63rickert

Test. Why is logging in unpredictable?

Test. Why is logging in unpredictable?
09-28-19, 10:12 AM
Replies: 6
Views: 1,233
Posted By 63rickert

Rode today on a wheel built by Oscar Wastyn in...

Rode today on a wheel built by Oscar Wastyn in 1959. Galvanized spokes and plenty of rust. Believe it did not have many miles before I received it. Rust sure happens in storage. In my tenure that...
09-22-19, 08:32 AM
Replies: 9
Views: 400
Posted By 63rickert

The answer to OP's question is less than clear...

The answer to OP's question is less than clear and there is much disagreement. The two best cantis ever, IMO, would be Campagnolo Record O.R. (1992-1995) and the current production Rene Herse. Which...
09-18-19, 01:09 PM
Replies: 41
Views: 864
Posted By 63rickert

Yes, this occurs. wphamilton has a good solution....

Yes, this occurs. wphamilton has a good solution. You can sometimes also just tighten them by hand and it is enough to get you home. Beeswax is good too.

Other recent problems with valvestems...
09-16-19, 12:01 PM
Replies: 44
Views: 2,311
Posted By 63rickert

I knew all those guys. They never would of done...

I knew all those guys. They never would of done that. Worst scene in movie. OTOH Pietro would shift your gears for you. On his winter training bike he fitted 44/42 and 15/16/16/16/17 so shifting him...
09-16-19, 11:57 AM
Replies: 44
Views: 2,311
Posted By 63rickert

The housing stop was optional. If purchased those...

The housing stop was optional. If purchased those lower cable housing stop derailleurs are silly high-priced. Finding a cage without holes should not be difficult. I just can't recall how big a...
09-12-19, 07:15 PM
Replies: 44
Views: 2,311
Posted By 63rickert

You have an old bike. Modern parts will not work....

You have an old bike. Modern parts will not work. SunTour shifters are fine, the ones you tried are made for splayed out duck foot cranks. You have an old straight crank. Campag works great on...
09-12-19, 06:35 PM
Replies: 44
Views: 2,311
Posted By 63rickert

Simplex 56 is one obscure derailleur. Had to look...

Simplex 56 is one obscure derailleur. Had to look that one up. It's a pull-chain derailleur. If Velobase information is correct it would have been made/marketed in '56 and '57 only. Looking at the...
08-21-19, 09:09 PM
Replies: 40
Views: 1,430
Posted By 63rickert

Words chosen in hopes of being banned. Waiting. ...

Words chosen in hopes of being banned. Waiting.

Civility and comity before safety because if you don't have the first two the good information never gets passed around. Except at this place, where...
08-21-19, 02:49 PM
Replies: 40
Views: 1,430
Posted By 63rickert

Yes, I am the Gestapo. As stated, have seen this...

Yes, I am the Gestapo. As stated, have seen this movie many times before. The ending is no good.

If you want to jump off a cliff and expect that you are going to have a different result than the...
08-21-19, 07:46 AM
Replies: 40
Views: 1,430
Posted By 63rickert

NO. We have seen this movie before. We have seen...

NO. We have seen this movie before. We have seen this movie before way too many times. The following is not a theoretical concern. This happens.

Shift to the large/large combination with a short...
Forum: Road Cycling
08-19-19, 12:38 PM
Replies: 234
Views: 22,802
Posted By 63rickert

Titanium requires total quality control. Lots and...

Titanium requires total quality control. Lots and lots of failures on early ti bikes. Incredibly easy to contaminate a weld. Only way to control that is and was to build slowly, one at a time. So if...
08-19-19, 12:22 PM
Replies: 93
Views: 7,608
Posted By 63rickert

You're getting older. You're getting shorter....

You're getting older. You're getting shorter. Five years back I would be making you an offer about now. No way can I manage a bike that big now. Put that wonder aside and wait.
08-19-19, 11:32 AM
Replies: 114
Views: 8,426
Posted By 63rickert

Not far from you at Blue Mound I did three...

Not far from you at Blue Mound I did three repeats of the entire climb, including that final ramp, with a low of 42x24. That was six years ago and this season it finally seems
better, though not...
08-18-19, 05:35 PM
Replies: 1,342
Views: 113,104
Posted By 63rickert

And now that I've told a horror story try not to...

And now that I've told a horror story try not to be put off. Just a great tire. If you have the clearance for a 30mm tire worth a try. The current version (or current label) is called Schwalbe G-One....
08-18-19, 05:20 PM
Replies: 1,342
Views: 113,104
Posted By 63rickert

Had something similar about a year ago with a...

Had something similar about a year ago with a Schwalbe S-One. When I stopped for the flat there was no adhesive at all between carcass of tire and base tape. Tire had hunched up a little in front of...
08-17-19, 08:11 PM
Replies: 114
Views: 8,264
Posted By 63rickert

400,000 career miles and exactly 43 stitches in...

400,000 career miles and exactly 43 stitches in damage to show for it. Never do a ride without at least a dozen verboten mechanical hijinks that result in certain death. Equipment older than I am....
08-17-19, 07:01 AM
Replies: 114
Views: 8,264
Posted By 63rickert

Those smooth tracks do exist. You might be...

Those smooth tracks do exist. You might be surprised by how rough most tracks are. Even on the sweetest tracks racing involves a lot of rough and tumble. Sixty degree bankings will put some load on a...
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