Re: [RBW] Longboard fender rub

[Eric Platt]

For the front fender, try the shorter mudflap that Rivendell sells.
That cured the problem on my bike.

Eric Platt
St. Paul, MN

On 8/22/12, john <john...@comcast.net> wrote:
> I experience annoying rubbing near the bottom of the fender when going over
>
> rough pavement, gravel, etc. Seems that there is not a lot of torsional
> rigidity in these fenders. I have adjusted several times.
>
> I run these fenders on a 60cm Sam with Pasella 35C tires. Anyone else out
> there experience the same thing? Any suggestions?
>
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[William]

Those long flappy things do look pretty chunky and heavy.  Maybe the fender splats are better?  

[Kelly]

We have them on my wife's 61cm Atlantis with 700x40's with no issues. Also had a set on her 61cm Roadeo with no problems.

We have found them to work well. Sorry to hear your having issues. I have no idea why yours are rubbing.

Kelly

[Mojo]

I am using them on my Legolas with 33mm Jack Browns and 35mm Schwalbe Cross tires. No problem at all.

I do see the end of the fender vibrate a mm or two laterally on rough roads.

I think the key is to insure you have enough clearance between tire and fender. I like a full consistent 1cm there.

 

They are not the perfect fender, with a bit of leaking off the sides at times especially where the stay mounting hardware is bolted to the fender.

But they are cheap, rugged, easy to install, mostly effective, and I think good looking. 

[Mark Chandler]

Same here.  Part of the problem is the flexibility, and part of it is due to the narrow clearance at the flap.  Planet Bike's Cascadia fenders allow for more clearance, and are far more rigid, but don't have the coverage of the Longboards.  Narrower tires will help with flap slap, but the inherent flex issue remains.

---

From: john <john...@comcast.net>
To: rbw-owne...@googlegroups.com
Sent: Wednesday, August 22, 2012 10:02 AM
Subject: [RBW] Longboard fender rub

I experience annoying rubbing near the bottom of the fender when going over rough pavement, gravel, etc. Seems that there is not a lot of torsional rigidity in these fenders. I have adjusted several times. 

I run these fenders on a 60cm Sam with Pasella 35C tires. Anyone else out there experience the same thing? Any suggestions?

[lungimsam]

Rubbing of the flap on the ground, or on the tire?

[Eric Platt]

The rubbing I was getting with the longer flap was the side stays
rubbing the tire. On that bike, the tires were usually Marathon
Duremes 700x40. Realized it was the extra leverage of the longer flap
that caused the kerfuffle. Once changed, it was not an issue.

Not dangerous at all to me, either, but annoying. It happened even
after bolting the front of the fender to the Nitto Mini rack.

But it's all moot at present as I sold the Sam Hillborne last weekend.

Eric Platt
St. Paul, MN

On 8/23/12, john <john...@comcast.net> wrote:
> Eric, where did you experience the rubbing, or flapping, if you will? On my
>
> bike, it's not the flap itself which seems to rub the tire, but where the
> end of the fender meets the flap. As the road gets rough, this area seems
> to strike the sides of my tires, which causes an annoying "zzzztt, zzzttt".
>
> After a year or more of this, it hasn't proven to be dangerous, just
> annoying.
>
> Since I ride in the rain 8 months a year (Portland, Oregon), I need a
> fender with ample coverage to protect not just my feet, but my drivetrain.
> Thanks for your reply.
>

[Stonehog]

I would say that from my experience, properly installed metal fenders are silent. 

Mobile Brian Hanson

On Aug 22, 2012, at 10:09 PM, john <john...@comcast.net> wrote:

I seem to have good clearance. I will try for more. I agree with you: although they aren't perfect, they are good. I don't like the idea of metal fenders for many reasons, but chief among them is the issue of rattle. I'd rather deal with some rubbing noise than constant rattle of metal. The longboards are easy to install, they are strong (if not especially rigid), relatively light, and in my opinion, good looking. If they could just be perfect!

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