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Search: Posts Made By: davidad
Showing results 1 to 50 of 1000
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12-03-21, 07:28 PM
Replies: 34
Views: 648
Posted By davidad

The 6000 series bearings re more than adequate...

The 6000 series bearings re more than adequate for our uses. They are designed for high-speed electric motors. A friend who has older Trek wheels with Taiwanese hubs that use 6000 series bearings...
12-03-21, 10:01 AM
Replies: 34
Views: 648
Posted By davidad

The load is carried by the hub's bearings. The...

The load is carried by the hub's bearings. The advantage of the shimano design is that the drive side is supported by an outboard cup and cone. Cassette or Freewheel Hubs by Jobst Brandt...
11-23-21, 02:02 PM
Replies: 7
Views: 331
Posted By davidad

With a new chain and used cassette if the chain...

With a new chain and used cassette if the chain doesn't skip under load you are good to go.
11-22-21, 11:50 AM
Replies: 23
Views: 680
Posted By davidad

When I build a wheel I first concentrate on the...

When I build a wheel I first concentrate on the radial run-out. When it is very close I get serious about the lateral run-out. This has served me well over the years.
I use a dishing tool to finish...
11-21-21, 01:00 PM
Replies: 26
Views: 697
Posted By davidad

At 260 pounds engine and 25 pounds bike weight...

At 260 pounds engine and 25 pounds bike weight you need at least 36 double butted spokes.
11-18-21, 10:38 AM
Replies: 48
Views: 1,351
Posted By davidad

I've only built about 25 wheels and starting...

I've only built about 25 wheels and starting using a Wheelsmith tensiometer after the first few. I have had good luck with my builds for myself and friends.
11-17-21, 12:47 PM
Replies: 45
Views: 1,148
Posted By davidad

I have ridden a new chain as much as a thousand...

I have ridden a new chain as much as a thousand miles before I remove it, clean and relube it. I believe the factory is made by Fuchs Lubritech.
11-13-21, 09:28 AM
Replies: 17
Views: 439
Posted By davidad

No. I used the same gear on my 7sp. Giant.

No. I used the same gear on my 7sp. Giant.
11-11-21, 10:39 AM
Replies: 18
Views: 597
Posted By davidad

I have this one. TheLAShop Ultrasonic Cleaner...

I have this one. TheLAShop Ultrasonic Cleaner Machine Sonic Jewelry Cleaner Half Gal 2L - TheLAShop.com (https://thelashop.com/products/jewellery-digital-ultrasonic-cleaning-machine-2l)
It does the...
11-09-21, 02:27 PM
Replies: 6
Views: 304
Posted By davidad

Style

Style
11-09-21, 02:25 PM
Replies: 10
Views: 564
Posted By davidad

It's steel, forget about it and ride.

It's steel, forget about it and ride.
11-06-21, 11:02 AM
Replies: 13
Views: 414
Posted By davidad

Nice horse!

Nice horse!
11-04-21, 03:48 PM
Replies: 16
Views: 433
Posted By davidad

[QUOTE=cyrano138;22294853]Thanks! Going to order...

[QUOTE=cyrano138;22294853]Thanks! Going to order one.[/QUOT In time if you more than just a few wheels a dishing tool can make a wheel with nearly 0 mistake on the dish.

Just found this one. ...
11-03-21, 09:54 AM
Replies: 16
Views: 433
Posted By davidad

I have an older version of this one and it does...

I have an older version of this one and it does the job. Minoura Wheel Truing Stand | Wayfair...
11-03-21, 09:47 AM
Replies: 16
Views: 433
Posted By davidad

I have an older version of this one and it does...

I have an older version of this one and it does the job. Minoura Wheel Truing Stand | Wayfair...
10-29-21, 11:04 AM
Replies: 48
Views: 1,323
Posted By davidad

The hard anodizing used in some rims will...

The hard anodizing used in some rims will contribute to cracking. It is harder than the Al. and more prone to cracking and taking the crack through the al.
10-29-21, 10:13 AM
Replies: 25
Views: 784
Posted By davidad

Cup and cone bearings need a little preload or...

Cup and cone bearings need a little preload or they will wear faster. Wheel Bearing adjustment by Jobst Brandt (sheldonbrown.com) (https://www.sheldonbrown.com/brandt/cone-adjustment.html)
10-29-21, 10:06 AM
Replies: 13
Views: 414
Posted By davidad

I went to the Mavic site, but they didn't go back...

I went to the Mavic site, but they didn't go back farther than 2007. Sorry.
This is the 2007 manual with drawings: Mavic Productsheet...
10-28-21, 10:05 AM
Replies: 13
Views: 414
Posted By davidad

How To Service Your Mavic Freehub - YouTube

How To Service Your Mavic Freehub - YouTube
10-25-21, 11:55 AM
Replies: 12
Views: 352
Posted By davidad

MSN | Outlook, Office, Skype, Bing, Breaking...

MSN | Outlook, Office, Skype, Bing, Breaking News, and Latest Videos (https://www.msn.com/?OCID=CALHeader)
10-21-21, 12:35 PM
Replies: 48
Views: 1,323
Posted By davidad

I had an Open Pro hard anodized rim that...

I had an Open Pro hard anodized rim that developed cracks like yours. I rode for thousands of miles and eventually replaced it with an Open Sport rim that was a little heavier and stronger. No...
10-20-21, 11:05 AM
Replies: 16
Views: 642
Posted By davidad

I go for 100Kg on the drive side and front. >...

I go for 100Kg on the drive side and front. > than 10% is good. It is important to stress relieve the spokes after the wheel is tensioned.
10-20-21, 11:00 AM
Replies: 16
Views: 636
Posted By davidad

Since everybody has an A...Hole and an opinion,...

Since everybody has an A...Hole and an opinion, here is mine. I use Lubriplate EMB synthetic. I bought it at a bearing store next to the refinery where I was employed. At the time I didn't know much...
10-20-21, 10:41 AM
Replies: 51
Views: 1,764
Posted By davidad

Ceramic bearings are not overkill on a turbo...

Ceramic bearings are not overkill on a turbo charger turning 150k rpm. They are a little silly on a wheel turning 350rpm or a BB turning 90 rpm.
10-16-21, 03:35 PM
Replies: 24
Views: 605
Posted By davidad

I had an American classic front hub with 36...

I had an American classic front hub with 36 spokes break through 2 spoke holes. A friend had a flange on a shimano rear hub crack. Those are the only two I know of. Most likely bad luck.
10-12-21, 11:21 AM
Replies: 19
Views: 648
Posted By davidad

I have not hammered on any of the wheels I have...

I have not hammered on any of the wheels I have built. Proper tensioning and stress relieving solves all problems.
10-12-21, 11:16 AM
Replies: 19
Views: 530
Posted By davidad

But a missed quick shift can still dump a chain...

But a missed quick shift can still dump a chain into the spokes. Don't ask me how I know.
10-12-21, 11:06 AM
Replies: 26
Views: 749
Posted By davidad

At 60 pound feet my back pops!

At 60 pound feet my back pops!
10-11-21, 04:22 PM
Replies: 35
Views: 739
Posted By davidad

Since the spoke did not break it is easy to...

Since the spoke did not break it is easy to replace. As you bring it up to tension just pluck adjacent spokes to hear and match the tones.
10-06-21, 01:17 PM
Replies: 9
Views: 295
Posted By davidad

If it not kinked it would be OK. From a looks...

If it not kinked it would be OK. From a looks standpoint it needs replacing.
09-30-21, 12:56 PM
Replies: 28
Views: 12,850
Posted By davidad

Grease isn't the problem with headsets. It's the...

Grease isn't the problem with headsets. It's the design of older cup and cone style bearings on road bikes. They don't get much rotational and the bearings don't replenish the grease causing fretting...
09-29-21, 10:51 PM
Replies: 17
Views: 477
Posted By davidad

If you oil a dirty chain you are making grinding...

If you oil a dirty chain you are making grinding compound inside the pins and bushings. If you want your drive train to last, remove the chain periodically clean it and then oil it. Measure it for...
09-29-21, 10:59 AM
09-27-21, 11:01 AM
Replies: 6
Views: 294
Posted By davidad

If it is a 9speed Durace BB it is serviceable, if...

If it is a 9speed Durace BB it is serviceable, if it is a sealed cartridge just replace it.
09-27-21, 10:57 AM
Replies: 44
Views: 1,354
Posted By davidad

It is steel and you won't do any damage if you...

It is steel and you won't do any damage if you work slowly. Putting a 130 hub in a 126 dropout stress the axle and bearings.
09-22-21, 11:27 AM
Replies: 17
Views: 632
Posted By davidad

I had the same problem with a front. Began using...

I had the same problem with a front. Began using Open Sports because they have a little more al. in them(about one ounce heavier).
09-15-21, 11:04 AM
Replies: 23
Views: 793
Posted By davidad

I was a helper in the shipyard and the bolts on...

I was a helper in the shipyard and the bolts on the high pressure steam turbine case were double butted.
09-01-21, 11:30 AM
Replies: 15
Views: 761
Posted By davidad

For our use sintered bronze bushings would work....

For our use sintered bronze bushings would work. At 30mph bike wheels turn at about 350 rpm.
08-16-21, 10:14 AM
Replies: 11
Views: 868
Posted By davidad

You can also use a spare rear wheel screwed into...

You can also use a spare rear wheel screwed into the hanger. Most have the same thread 10 X 1 mm. Use the spare wheel to bend the hanger until wheels are parallel.
08-15-21, 12:59 PM
Replies: 6
Views: 495
Posted By davidad

Ditto.

Ditto.
08-01-21, 09:44 AM
Replies: 13
Views: 724
Posted By davidad

Minoura Wheel Truing Stand | Wayfair...

Minoura Wheel Truing Stand | Wayfair...
07-30-21, 12:01 PM
Replies: 2
Views: 296
Posted By davidad

I have used this on Trek radial bearing hubs....

I have used this on Trek radial bearing hubs. Enduro Cartridge Bearing Puller - Cambria Bike...
07-28-21, 08:51 AM
Replies: 8
Views: 363
Posted By davidad

It's not brinelling, it is caused by fretting....

It's not brinelling, it is caused by fretting. "Indexed Steering" by Jobst Brandt (sheldonbrown.com) (https://www.sheldonbrown.com/brandt/indexed-steering.html)
Replace the bearings.
07-24-21, 11:33 PM
Replies: 22
Views: 1,054
Posted By davidad

The bearings don't need replacing if the finish...

The bearings don't need replacing if the finish is still good. The bearing preload depends on which axle the hub has. The oversize axles don't compress when the QR is closed and the 10mm axles do and...
07-19-21, 04:12 PM
Replies: 81
Views: 2,511
Posted By davidad

Be careful if you apply heat. Ti reacts with the...

Be careful if you apply heat. Ti reacts with the air at temps above 800F and becomes brittle.








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07-19-21, 04:04 PM
Replies: 30
Views: 1,276
Posted By davidad

This chart will give you some ideas about...

This chart will give you some ideas about gearing. Bicycle Gear Inch & Shifting Pattern Calculator (jbarrm.com) (http://www.jbarrm.com/cycal/cycal.html)
This crankset will give you low gearing for...
07-18-21, 09:38 PM
Replies: 18
Views: 868
Posted By davidad

Loctite 567 thread sealer. It sets up firm and...

Loctite 567 thread sealer. It sets up firm and you can readjust the nipple later if necessary.
07-12-21, 07:11 AM
Replies: 21
Views: 837
Posted By davidad

I have built with DT and Whelsmith double butted...

I have built with DT and Whelsmith double butted spokes and have had no problems with either. At your weight and probable vehicle weight a few ounces are not worth worrying about, strength and...
06-27-21, 04:16 PM
Replies: 6
Views: 531
Posted By davidad

Ideal Tire Pressure - Google Sheets...

Ideal Tire Pressure - Google Sheets (https://docs.google.com/spreadsheets/d/15nT3Q2Cnk6-2HbRSpPngFEoR5QnLTQZdlzofzC_mLTY/edit#gid=0)
06-27-21, 04:11 PM
Replies: 3
Views: 249
Posted By davidad

Wheels Manufacturing Hub Axles (wheelsmfg.com)...

Wheels Manufacturing Hub Axles (wheelsmfg.com) (https://wheelsmfg.com/products/hub-parts/all-axles.html)
Showing results 1 to 50 of 1000
 


 
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