bolts??

[Bernard Duhon]

I'm fresh from the garage.

Someone More mechanically inclined than I. Please explain to me why I have three different sized Allen heads on my front derailer.?????

 

[Laing Conley]

Three different torque requirements (strengths). 

Laing Conley 

On Wed, Sep 25, 2024 at 9:10 PM Bernard Duhon <ber...@bernardduhon.com> wrote:

I'm fresh from the garage.

Someone More mechanically inclined than I. Please explain to me why I have three different sized Allen heads on my front derailer.?????

 

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[Bernard Duhon]

 

 

 

 

Duh!!!

That makes sense.

 

But for decades the frustration that logic escapes me.

Couldn’t  they use a stronger bolt in the less demanding applications?.

 

 

 

 

 

Yours sincerely,

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[Bill Lindsay]

Three seems weird.  Almost every front derailleur takes one allen key (5mm).  What's the model of Front Derailleur that is bugging you?

Bill Lindsay

El Cerrito, CA

[Bernard Duhon]

25 + y/o campy.

One size for:

clamping cable

                Clamping dR to seat tube

                Adjustment for DR height.

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