What is the difference between front and rear side pull brakes?

[ismellnownlatters]

They look the same to me

 

[Wrench]

Mounting bolt length and hardware

 

[ismellnownlatters]

So I gather there not interchangable ?

 

[Wrench]

Nope. mounting bolts are different lengths

 

[ismellnownlatters]

Cool my front are coming first. Wish rear came first dang slow shping