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Search: Posts Made By: mrrabbit
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05-02-21, 04:19 PM
Replies: 25
Views: 467
Posted By mrrabbit

Scenario A: "Center the wheel. Here's the tool....

Scenario A: "Center the wheel. Here's the tool. Check top, bottom and front. Re-attach derailleur. Adjust. Good to go."

Scenario B: "Check the wheel dish OR put in and center a properly...
05-02-21, 12:51 PM
Replies: 54
Views: 15,757
Posted By mrrabbit

Originally, it was thought that Aluminum frames...

Originally, it was thought that Aluminum frames introduced in the mid-80s onward would have the overall advantage.

So they all had lifetime warranties initially. And of course, the promise that...
05-02-21, 12:35 PM
Replies: 11
Views: 381
Posted By mrrabbit

Technically, all modern day rims are tubeless...

Technically, all modern day rims are tubeless ready.

You can take pretty much any clincher rim and convert it to tubeless. It's all about proper installation of the right kind of tape and sealant...
05-02-21, 12:10 PM
Replies: 4
Views: 263
Posted By mrrabbit

Hub wobble is due to manufacturing imperfections...

Hub wobble is due to manufacturing imperfections in the machining and threading work.

And it has little or no affect on shifting.

I have a Youtube video on it, . . . just search for "freewheel...
05-02-21, 11:59 AM
Replies: 25
Views: 467
Posted By mrrabbit

It's not a red herring. Put yourself in a...

It's not a red herring.

Put yourself in a different pair of shoes - so to speak.

You tell the new mechanic:

"No need to check the dish of the wheel, just make sure the current wheel is...
05-02-21, 11:46 AM
Replies: 10
Views: 3,067
Posted By mrrabbit

This is how a company locks you into repeated...

This is how a company locks you into repeated sales.

They take a simple design, sell you on it.

Then when they have a near monopoly on market share, they start to customize symmetrically, first...
05-01-21, 07:14 PM
Replies: 25
Views: 467
Posted By mrrabbit

If you take a wheel that is off dish 1/2" to the...

If you take a wheel that is off dish 1/2" to the non-drive side AND insert in the rear stays and CENTER it between the chainstays....the trailing point of the wheel at the rear of the bike will be...
05-01-21, 05:53 PM
Replies: 25
Views: 467
Posted By mrrabbit

Derailleur hanger is aligned in four positions,...

Derailleur hanger is aligned in four positions, not two. Top, bottom, and most importantly, front and back. That insures the hanger is aligned properly planar parallel to the centerline.

If you...
05-01-21, 04:23 PM
Replies: 25
Views: 467
Posted By mrrabbit

First off, before even trying to align a rear...

First off, before even trying to align a rear derailleur hanger...the rear wheel must first be verified as a properly dished wheel.

THEN . . . that wheel is to be installed centered between the...
04-17-21, 01:05 PM
Replies: 9
Views: 317
Posted By mrrabbit

http://www.mrrabbit.net/docs/freewheel_hub_dimensi...

http://www.mrrabbit.net/docs/freewheel_hub_dimension_A_OLD_sizing.pdf

=8-|
04-13-21, 02:10 PM
Replies: 13
Views: 619
Posted By mrrabbit

Some hubs like the Chosen A5012 are part. 1....

Some hubs like the Chosen A5012 are part.

1. Locknut inside hub on non-drive side is loosened first.
2. Then freehub is loosened and removed.

Both sides use a 11mm allen wrench.

=8-|
04-13-21, 02:06 PM
Replies: 25
Views: 844
Posted By mrrabbit

Riding without hand will tell you if one of the...

Riding without hand will tell you if one of the following is off:

1. Frame / fork alignment.
2. Wheel dish.

Which one? Requires further inspection.

=8-|
04-13-21, 02:03 PM
Replies: 14
Views: 448
Posted By mrrabbit

http://www.mrrabbit.net/docs/freewheel_hub_dimensi...

http://www.mrrabbit.net/docs/freewheel_hub_dimension_A_OLD_sizing.pdf

All the info you need...

=8-|
04-13-21, 01:41 PM
Replies: 7
Views: 270
Posted By mrrabbit

1. Heat gun. Only use acetone if you are...

1. Heat gun.

Only use acetone if you are quick about it.

2. Put the acetone on a rag, wipe with the rag to remove residual goo. Do not leave any acetone behind.

=8-|
04-08-21, 01:01 AM
Replies: 7
Views: 307
Posted By mrrabbit

Why are you doing things the hard way? ...

Why are you doing things the hard way?

Simply grab two spokes of known length...

...assuming 12mm standard profile nipples, set to the bottom of the screwdriver flat on both spokes.

Zinch em...
03-11-21, 02:42 PM
Replies: 11
Views: 651
Posted By mrrabbit

1. Disconnect all rear housing and cable. 1a....

1. Disconnect all rear housing and cable.
1a. Check and correct rear wheel dish.
1b. Align derailleur hanger parallel to properly dished and installed wheel.
2. Use your hand to manipulate the...
03-11-21, 02:31 PM
Replies: 13
Views: 512
Posted By mrrabbit

1. English wood vise. 2. Blocks of wood. 3....

1. English wood vise.
2. Blocks of wood.
3. Use English wood vise as a hydraulic press.

That's what I do now...works like a charm.

=8-)
03-11-21, 02:29 PM
Replies: 18
Views: 570
Posted By mrrabbit

Bent derailleur = Bent derailleur hanger. ...

Bent derailleur = Bent derailleur hanger.

Have to check both...

Else you will always be chasing a ghost when troubleshooting rear shifting issues.

=8-|
03-11-21, 11:49 AM
Replies: 18
Views: 570
Posted By mrrabbit

1. Take rear wheel out. 2. Check dish. 3. ...

1. Take rear wheel out.
2. Check dish.
3. Put properly dished wheel back in - centered between stays.
4. Check derailleur hanger alignment against the properly dished rear wheel.
5. Then do...
02-09-21, 11:47 AM
Replies: 49
Views: 1,431
Posted By mrrabbit

I'd swear Dale Saso, (http://www.sasobike.com)...

I'd swear Dale Saso, (http://www.sasobike.com) has the exact same lathe or very similar one - with an external threading adaptor / kit.

=8-|
02-07-21, 04:09 PM
Replies: 7
Views: 555
Posted By mrrabbit

Head to a local CNC shop. They can make one for...

Head to a local CNC shop. They can make one for you using 6000 series aluminum. It won't have a o-ring, but it'll work.

=8-|
02-07-21, 04:07 PM
Replies: 49
Views: 1,431
Posted By mrrabbit

1. My 1984 Minoura dishing tool. 2. My 1984...

1. My 1984 Minoura dishing tool.
2. My 1984 Zefal HPX 4 frame pump.

=8-)
01-06-21, 01:26 AM
Replies: 6
Views: 482
Posted By mrrabbit

It's built to Shimano specs, it's Shimano. ...

It's built to Shimano specs, it's Shimano.

If it's not, it's not.

You should crawl through and F-16 some time...your head would spin.

=8-)
12-31-20, 12:59 AM
Replies: 16
Views: 788
Posted By mrrabbit

Can be attempted ONLY if the rim joint has NOT...

Can be attempted ONLY if the rim joint has NOT been comprised as hinted by the quoted poster.

=8-|
12-31-20, 12:59 AM
Replies: 13
Views: 708
Posted By mrrabbit

Often happens when they are lose, clamped in...

Often happens when they are lose, clamped in misaligned dropouts.

So check the dropout alignment when you get a chance.

=8-|
12-18-20, 03:55 PM
Replies: 10
Views: 533
Posted By mrrabbit

Accuracy is a function of the builder, not the...

Accuracy is a function of the builder, not the spoke length calculator. The results are only as good as the measurements YOU put into it.

=8-|
12-14-20, 12:56 AM
Replies: 15
Views: 643
Posted By mrrabbit

That's looks to my like screw bit travel before...

That's looks to my like screw bit travel before final set and drill occurs.

=8-|
12-12-20, 06:39 PM
Replies: 38
Views: 1,779
Posted By mrrabbit

Carbon Kevlar nipples? =8-|

Carbon Kevlar nipples?

=8-|
12-12-20, 03:50 PM
Replies: 38
Views: 1,779
Posted By mrrabbit

Exactly....alloy nipples seize up, no matter how...

Exactly....alloy nipples seize up, no matter how much anti-seize or grease is used. Let 'em sit long enough in between trues...they'll sieze up.

Stick with brass.

=8-|
12-12-20, 03:49 PM
Replies: 38
Views: 1,779
Posted By mrrabbit

Not necessary if the spoke ends penetrate the...

Not necessary if the spoke ends penetrate the inner wall for about 2mm.

=8-|
12-12-20, 11:23 AM
Replies: 26
Views: 1,055
Posted By mrrabbit

You watch, someone will try to regurgitate the...

You watch, someone will try to regurgitate the 20" wheel road bike and call it something else . . .

Somene will try to regurgitate the recumbent and call it something else . . .

Someone will...
12-11-20, 10:46 AM
Replies: 26
Views: 1,055
Posted By mrrabbit

These things are invented for one purpose: ...

These things are invented for one purpose:

For an "enterprising" marketing guy in a "company" to create and advertise a "new" niche in the market to "ride" to the top for a quick "high margin"...
12-06-20, 03:06 PM
Replies: 25
Views: 1,233
Posted By mrrabbit

For a three piece steel hub, if the flanges come...

For a three piece steel hub, if the flanges come loose, that's a manufacturing defect, not a spoke tension problem.

For loose ball bearing alloy hubs, the races are cups pressed in.

And they...
12-05-20, 12:36 PM
Replies: 18
Views: 928
Posted By mrrabbit

Gap calipers . . . . . . so long as sidewall...

Gap calipers . . .

. . . so long as sidewall thickness is .5 mm or more, there's some life left.

Most rims start at 1.4 to 1.6mm

=8-)
12-05-20, 12:33 PM
Replies: 25
Views: 1,233
Posted By mrrabbit

Nice to see someone has a clue... =8-)

Nice to see someone has a clue...

=8-)
12-05-20, 12:32 PM
12-04-20, 04:04 PM
12-04-20, 04:01 PM
12-03-20, 11:29 AM
Replies: 10
Views: 536
Posted By mrrabbit

Wheels By Fleming Bicycle Wheels - mrrabbit.net...

Wheels By Fleming Bicycle Wheels - mrrabbit.net (http://www.mrrabbit.net/wheelsbyfleming.php)

Spreadsheet for spoke calculation, and a command line .exe program is available.

=8-)

Your spoke...
12-03-20, 11:27 AM
Replies: 7
Views: 438
Posted By mrrabbit

Also available from online vendors in Germany for...

Also available from online vendors in Germany for about 2.25 each after shipping.

=8-|
11-30-20, 10:51 PM
Replies: 16
Views: 1,366
Posted By mrrabbit

Pretty much all systems need a sacrificial weak...

Pretty much all systems need a sacrificial weak point that is focused for routine maintenance with cheap easily replaced parts to protect the whole.

=8-|
11-30-20, 10:49 PM
Replies: 22
Views: 736
Posted By mrrabbit

. . . I . . . well . . . . . . let's see . ....

. . . I . . .
well . . .
. . . let's see . . . um . . .
Gee golly gosh . . .

I really don't know . . . i think the first word starts with a "b" . . .

. . . second word, something to do with...
11-23-20, 07:11 PM
Replies: 21
Views: 1,007
Posted By mrrabbit

You're doing it wrong. The only time you...

You're doing it wrong.

The only time you loosen is to RESET and START OVER.

1. Loosen - tap with a plastic or rubber mallet to ensure the wheel is reset - i.e. has serious slack or play.
2. ...
11-21-20, 10:06 PM
Replies: 52
Views: 1,955
Posted By mrrabbit

The best stainless steel spokes to date are still...

The best stainless steel spokes to date are still DT Swiss.

But again...when are people going to discuss stress relieving?

Even with the Holy Grail of Spokes....if you don't stress...
11-14-20, 10:08 PM
Replies: 52
Views: 1,955
Posted By mrrabbit

Stress Relieving =8-|

Stress Relieving

=8-|
11-11-20, 04:32 PM
Replies: 7
Views: 449
Posted By mrrabbit

You're using 7.0mm spoke elbows on thin steel...

You're using 7.0mm spoke elbows on thin steel flanges.

You'll need to use 1-2 spoke head washers on each when lacing up the wheel.

Then make sure you properly stress relieve the wheels when...
10-28-20, 12:02 AM
Replies: 19
Views: 804
Posted By mrrabbit

You bought the wrong hub. Period. =8-|

You bought the wrong hub.

Period.

=8-|
10-27-20, 04:01 PM
Replies: 24
Views: 1,326
Posted By mrrabbit

A tube that's trying to communicate to you your...

A tube that's trying to communicate to you your poor tube installation skills?

=8-|
10-23-20, 11:12 AM
Replies: 9
Views: 531
Posted By mrrabbit

Your tension meter is out of calibration. ...

Your tension meter is out of calibration.

=8-|
10-23-20, 11:09 AM
Replies: 20
Views: 711
Posted By mrrabbit

You don't need the spoke head washers. =8-|

You don't need the spoke head washers.

=8-|
Showing results 1 to 50 of 1000
 


 
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