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Old 02-27-13, 09:21 AM   #1
jrickards
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Purpose of bar in front

In this photo, there is a bar that goes over the front wheel. Presumably, it is part of the front rack but I can't figure out what it's purpose is (or could be).

Can someone clarify?
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Old 02-27-13, 09:30 AM   #2
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Yes, it's part of the front rack, and I think its purpose is stabilization.

Last edited by Brennan; 02-27-13 at 10:05 AM. Reason: Grammar!
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Old 02-27-13, 09:38 AM   #3
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Indeed, it's to stop the two separate pieces of the rack from twisting around the fork (keeping them parallel to the wheel) Notice that these style racks only attach to the outside of the fork. Most front racks that don't have this bar attach to the inside and outside of the fork at the eyelet, but some bikes only have a threaded eyelet on the outside, in which case these style racks (with the bar over top) are a better option.

notice here is a style without that bar and attaches to both sides of the eyelet on the fork:
http://www.biketiresdirect.com/produ...der-front-rack

vs this one that has the bar overtop and only attaches at one point on the fork:
http://www.biketiresdirect.com/produ...der-front-rack
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Old 02-27-13, 09:40 AM   #4
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Without a hoop over the wheel, the two sides can rotate around the fork legs into the path of the moving wheel.
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Old 02-27-13, 09:44 AM   #5
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Looks like a Tubus Tara rack.Thats what I have.
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Old 02-27-13, 11:36 AM   #6
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I'd make a guess of the Tubus Ergo, same reason. got one
tara uses a 14mm tube , for the hoop, ergo its a 10mm..

my eye says 10.

a sold only in European markets, Cannondale.

Last edited by fietsbob; 02-27-13 at 11:39 AM.
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Old 02-27-13, 12:03 PM   #7
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It also makes a handy mount for some headlights.
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Old 02-27-13, 12:37 PM   #8
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Quote:
Originally Posted by seeker333 View Post
Without a hoop over the wheel, the two sides can rotate around the fork legs into the path of the moving wheel.
see this page from this persons journal, scroll down to photo of front wheel and read how it happened to her rack that didnt have a loop. She had to get the wheel replaced as it destroyed a number of spokes.

http://www.crazyguyonabike.com/doc/p...id=261611&v=D1

I saw this about the same time I has posted stuff about putting a front rack on my mtn bike recently, and some people made good suggestions to avoid this happening, then saw this ladies incident. So it can happen.
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Old 02-27-13, 02:20 PM   #9
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Quote:
Originally Posted by striknein View Post
It also makes a handy mount for some headlights.
That never occurred to me, but now that you say it, it seems so obvious. Nice tip.
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Old 02-27-13, 02:24 PM   #10
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just make sure the light is waterproof, since it will get lots of wet wheel spray
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Old 02-27-13, 02:56 PM   #11
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Quote:
Originally Posted by fietsbob View Post
just make sure the light is waterproof, since it will get lots of wet wheel spray
I recently mounted a Supernova E3 light in a position similar to that and discovered that it is not fully waterproof. Even so, Supernova say that it should be able to handle such conditions and so are hopefully going to fix it under warranty.
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Old 02-27-13, 04:15 PM   #12
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Quote:
Originally Posted by fietsbob View Post
just make sure the light is waterproof, since it will get lots of wet wheel spray
You have a Coastal Oregon way of thinking. These things don't always occur to me in my neck of the woods, particularly during the current dry winter round here.

Last edited by Brennan; 02-28-13 at 11:08 AM. Reason: Grammar and poor proofreading skills.
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Old 02-27-13, 05:40 PM   #13
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Also Toured in Wet Countries on the other side of the 'Pond'.
Summer is not always dry there, be it in Bavaria or Ireland.

'Wellies' is the footwear of choice for Glastonbury Music festival in British Summer.

Touring bike got a side of the hoop mount for the light. long summer days,
A battery LED light is adequate, now.

the Koga has a fork crown mount for the wired light, mudguard extends forward a-Ways ahead of it.
Hoop is slight shadow in the bottom of the Beam.

someone demo'd a how to with PVC Pipe to make a 1" cross tube on the Hoop,
I'd just make it longer so the light sat off center , and avoid direct hozing.

Last edited by fietsbob; 02-27-13 at 05:54 PM.
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Old 02-27-13, 05:52 PM   #14
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Hoopless is hopeless.
The hoop is light and adds a huge amount of stiffness to your rack system. Tubus Tara is one of the lightest, strongest and stiffest racks.
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Old 02-27-13, 05:59 PM   #15
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Quote:
Hoopless is hopeless.
You have been Reading Bruce Gordon's add copy. from back when Blackburn made the Racks
that were two separate pieces held on by a bolt running all the way through the fork.
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