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Forum: Bicycle Mechanics

09-27-22, 10:23 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

So, how did you do in Geometry? Tires...

So, how did you do in Geometry?

Tires inflate round. The circumference comprises both the tire itself and the rim.

A wider rim means a larger circumference, and therefore a larger radius. So...

Forum: Bicycle Mechanics

09-27-22, 09:58 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

Tires have a molded "reference line", which sits...

Tires have a molded "reference line", which sits a millimeter or two above the rim.

Spin the wheel slowly, watching the line. If it moves away from the rim in one section, the tire isn't seated...

Forum: Bicycle Mechanics

09-16-22, 11:17 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

Some hubs make nice pencil holders. Otherwise...

Some hubs make nice pencil holders. Otherwise decent raw material for creative mechanics ----- pulley or hose guide for your yard?

Rims are harder to use, though they are a great way to store...

Forum: Bicycle Mechanics

09-16-22, 03:07 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

Thanks. In any case, there's no need to ask...

Thanks.

In any case, there's no need to ask about pool chlorine, though who knows.

Usually the chlorides involved come from our old friend NaCl, aka salt.
In my case it was likely the humid...

Forum: Bicycle Mechanics

09-16-22, 12:35 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

Here's my nickel's worth (used to be 2 cents...

Here's my nickel's worth (used to be 2 cents before inflation)

The rider weight consideration is highly overblown. Riding style and road conditions are far more significant. BITD I used to build...

Forum: Bicycle Mechanics

09-16-22, 11:59 AM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

You might find it interesting to read post #2 on...

You might find it interesting to read post #2 on this thread, where I describe chloride damage to stainless steel.

Also scroll down to the last paragraph of post #9, where I mention an...

Forum: Bicycle Mechanics

09-14-22, 12:24 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

Since you looked, did your spoke break at a nick?...

Since you looked, did your spoke break at a nick?

In any case nicks need to be fairly significant to cause breakage and will require many miles before causing failure. OTOH - the chloride...

Forum: Bicycle Mechanics

09-14-22, 10:08 AM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

Breaking in the middle is rare, even very rare. ...

Breaking in the middle is rare, even very rare. It happens only when there's a nick or defect within the spoke.

Forum: Bicycle Mechanics

09-13-22, 08:05 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

DT, Sapim and other established brands are all of...

DT, Sapim and other established brands are all of comparable quality. The longest service life will be with 14g double butted spokes. What matters more is a quality build by someone skilled at this....

Forum: Bicycle Mechanics

09-13-22, 06:06 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

Yes, I took him at his count, though at this...

Yes, I took him at his count, though at this stage it didn't really matter. I simply wanted to point out that 30 is a rare drilling and that the rim selection would be limited (not non-existent).
...

Forum: Bicycle Mechanics

09-13-22, 05:27 PM

Replies: 57

Another spoke broke

Views: 2,834

Posted By FBinNY

First of all two spokes in 10 years isn't that...

First of all two spokes in 10 years isn't that bad at all unless the bike's just been sitting in your garage. FWIW, spoke breakage other than at the elbow is very rare, so I would suspect a corrosion...

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