Fender Extender for ST1100

increasing

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Feb 28, 2025
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Location
Oslo, Norway
Bike
ST1100AX
Some good recommendations for protecting the ST1100, thinking about Fender Extender to protect from water sand gravel splashes in exposed places. Found some pictures for front and rear wheels.

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Have them in the shelf somewhere... never came around/fully motivated to install them...
Not too keen to drill holes into an (expensive) front fender (double sided tape won't make it long...)
I further think that this "swing-arm protector" is actually rubbing though the paint and zinc layer, exposing bare metal...
 
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Have them in the shelf somewhere... never came around/fully motivated to install them...
Not too keen to drill holes into an (expensive) front fender (double sided tape won't make it long...)
I further think that the this "swing-arm protector" is actually rubbing though the paint and zinc layer, exposing bare metal...
I use ABS/PVC glue to glue mine on and it lasts a long time ... ;)
Just be aware that there are two ST1100 'model' - one for the STD/ABSI and one for the ABSII (wider front fender).
 
So can you still remove the fender while the wheel is in?
Did that on the '94 recently, to have the clearance to remove the radiator, etc...
Yes - it has no effect on that process for me.
 
Some good recommendations for protecting the ST1100, thinking about Fender Extender to protect from water sand gravel splashes in exposed places. Found some pictures for front and rear wheels.

 
Just thought of the idea to 3dprint a front extender in TPU rubber that would slip on over the edge of the fender. Add a smear of shoe glue and it would stay. Thoughts?

Nothing wrong with the plastic ones. Might be that on your side of the pond you don't need them, but certainly here in Blighty (you might have to 'Google' that) the roads can be covered in @4ÂŁ@ and it rains quite a lot. I have fitted mudguard extenders to nearly every bike I have owned. Manufacturers seem to prefer style over substance when it comes to bodywork protection. That extra 4 inches makes all the worl of difference.
 
Just thought of the idea to 3dprint a front extender in TPU rubber that would slip on over the edge of the fender. Add a smear of shoe glue and it would stay. Thoughts?
Sounds interesting.
Have you thought about a guard for the rear as well?
 
Sounds interesting.
Have you thought about a guard for the rear as well?
I had, but as was shown you can just use a flat piece of rubber. No real need for a custom fitted piece. I can print a flat piece, but why?

Nothing wrong with the plastic ones. Might be that on your side of the pond you don't need them, but certainly here in Blighty (you might have to 'Google' that) the roads can be covered in @4ÂŁ@ and it rains quite a lot. I have fitted mudguard extenders to nearly every bike I have owned. Manufacturers seem to prefer style over substance when it comes to bodywork protection. That extra 4 inches makes all the worl of difference.

True, the fronts aren't easy to find over here in the States. And I'm sure the plastic ones work well. It does bug me that my fender is just short enough to make my lower dam catch all the grime and dirt.

I don't know how much they cost or how much ones I make would cost. But I like the idea of a slip-on style versus bolt-through, and using a more pliable material could make fitment easier around all the compound curves of that edge. And I can make it as short or long as desired. Just throwing the idea out there.
 
But I like the idea of a slip-on style versus bolt-through, and using a more pliable material could make fitment easier around all the compound curves of that edge. And I can make it as short or long as desired. Just throwing the idea out there.

Sounds like a great idea! Except for the part where I have a 1300 and not an 1100. :D
 
But I like the idea of a slip-on style versus bolt-through, ......
I agree, I would not purchase a bolt-on version.

The Stuff Stopper for the ST1300, made by a member of this forum, is permanently affixed using plumbing ABS cement making it a clean and smooth install with no protruding fasteners.
 
I can recommend the Extenda Fenda.


 
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