accessories » Wunderlich Extreme Front Fender Extender

Yet another enjoyable evening tinkering, this time fitting my belated birthday gift from my long-suffering other half - a Wunderlich Extreme front fender extender. I thought I'd share some comments.

The unique feature of this part is that it has two steel brackets which mount to the brake calipers (replacement bolts and some spacers are supplied). These feature a steel plate which covers the top of the calipers, which give them some protection (albeit with a decent gap at the top to permit airflow) - hopefully my gold calipers will preserve their looks for a bit longer. The brackets then screw onto the extender, which is also held to the underside of the fender by some 3M VHB tape - with this set up there is no need to screw into the fender. The brackets and the extender also make the fender rock solid - the back of the fender was originally a little flimsy / bendy but now there's no more wobbling. I also really like the new look - the extender finishes below the level of the engine casing, which means that coupled with the small Wunderlich protection plate I've mounted at the bottom of the casing, I'm pretty confident the engine will now be protected from almost all crud. I'd certainly recommend this part - it's £109 from Nippy Normans.

The part and its packaging are all Wunderlich's usual superb quality and it was very simple to fit, though naturally a torque wrench is necessary to torque the brake caliper bolts. I've taken few fairly low quality pics (taken with a harsh direct light so the bike looks far dirtier than it is!), which are below. Once I've ridden through a few puddles I'll report on how clean my engine casing stays.


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I thought of getting that. Opted for the AvantGaurd instead. My bike always looks dirty, and I’m not sure how much it would help now that I have something else protecting the front of the motor.

Zitat von zer0netgain im Beitrag #2

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I thought of getting that. Opted for the AvantGaurd instead. My bike always looks dirty

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If you think your bike looks dirty please never look at mine Oliel.

Zitat von v8guy im Beitrag #3

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Zitat von zer0netgain im Beitrag #2

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I thought of getting that. Opted for the AvantGaurd instead. My bike always looks dirty

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Mine too.. it's a natural talent I seem to have.
I bought the bike with a fender extender fitted, and observe that mostly it does next to nothing to keep the engine free from dirt. I've subsequently acquired a Avantguard, but have not ridden it since!

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I also installed the small Wunderlich spoiler.

Only no fender Extension but a longer Fender.
Mainly to protect the Engine from unnecessary small Stone chips.

Finish 05.jpg - Bild entfernt (keine Rechte)

I can’t say that I like the look of the fender extender, personally I prefer the Avantguard to protect the engine casing. That said I could imagine a lower fender may help prevent rear tyre punctures from stuff being thrown backwards.

I can see the reasoning behind supporting the Fenda Extenda on the brake callipers as the rear of the mudguard is poorly supported and the whole thing would flop around otherwise. I'm not so keen on the 'look' though. A few years back I removed my mudguard and reinforced it underneath, where it flexes, with fibreglass sheet. I then fitted a long Fenda Extenda, oh and I have an Avantguard

It's been fine for a few years and 20,000ish miles.

All I get is a picture of a Wunderlich box. How do I make the photos work?

Zitat von Jim Evans im Beitrag #9

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All I get is a picture of a Wunderlich box. How do I make the photos work?

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Zitat von JAG im Beitrag #4

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If you think your bike looks dirty please never look at mine Oliel.

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Zitat von Sanemancured im Beitrag #8

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I can see the reasoning behind supporting the Fenda Extenda on the brake callipers as the rear of the mudguard is poorly supported and the whole thing would flop around otherwise. I'm not so keen on the 'look' though. A few years back I removed my mudguard and reinforced it underneath, where it flexes, with fibreglass sheet. I then fitted a long Fenda Extenda, oh and I have an Avantguard

It's been fine for a few years and 20,000ish miles.

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I added a fender extension after a very wet journey or 4 in Scotland in 2017. As I rode some very wet roads (some for 6 hours+) I could see spray coming up between the forks, tank, triple clamps and the 'dash' area, unknown to me this water includes fine grit, which when I wiped the dash with the back of a gloved finger (to enable me to read it) put fine scratches in it, plus the grit got in and around the base of the front of my tank bag, so I have a bunch of fine scratches on the front of the tank too.

But more worrying to me was noticing a line of 'material' wedged down the front centre line of the radiator matrix. So uniform was it's distribution that can only have come from the spray off the front wheel. The material contain 'heavier' grit and small stones; gentle brushing with a toothbrush and picking with a toothpick over a few hours got rid of most of this, and revealed no damage to the radiator. I wasn't willing to risk the radiator being damaged, nor invest that amount of time again, as I'm not adverse to wet weather riding, so fitted the fender extension.

And yes I found the fender extender flapped about, so I dremel'ed (is that a verb?) 6 slots in to it to allow the air/water to pass through it slightly easier, I think there were 4 vertical and 2 horizontal, none more than 3~4mm (1/8") wide and close to 25mm long (1") and none on the centre line. This reduced the flapping greatly (still flaps a bit) and still kept the spray, grit and stones, thrown up by the wheel, off of all but the lower front of the engine.

I have since fitted a mesh radiator guard too, but that was after it being pinged by stones following a car down a rather gravel strewn, pot holed 'A' road.

Jason.

Zitat von Stefan S. im Beitrag #6

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I also installed the small Wunderlich spoiler.

Only no fender Extension but a longer Fender.
Mainly to protect the Engine from unnecessary small Stone chips.

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Thought I'd follow up this thread with some results of the installation in the hope of showing its effectiveness. All in all I'm pretty pleased.

The pic Bike2 shows the spray from riding over water on the road. Clearly in the rain you're going to get more, but as you can see the dirt is confined effectively to the area covered by the small Wunderlich plate I installed. I think that the combination of these two ought to mean that the engine cover is protected from virtually all of the road crud, whereas if you look at the very top you'll see the crud that was kicked up from broadly similar muck that I rode over before the extender was fitted.

Also attached is Bike1, which shows my new pride and joy (and my four wheeled one behind, which remains very close to my heart nonetheless...) I think the aesthetics for the fender extender are actually pretty good with the brackets connected to the calipers. (I've also added the MRA Vario screen which is effective at cutting wind noise when in the high position for me at 6'3" and a 32" inside leg.)

Now that restrictions are slowly being loosened, I'm looking forward to getting the running in service out of the way, doing some longer rides and completing my IAM test with Wey Valley. Maybe see a few of you up at Newlands Corner at some point. Stay safe in the meantime...

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