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rear rack no bottom eyelets

Old 07-13-21, 11:46 AM
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sensitivejonah
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rear rack no bottom eyelets

Any advice for mounting this rear rack? I there are screws up top, but nothing to fasten to below.
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Old 07-13-21, 11:52 AM
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10 Wheels
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What bike is that?
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Old 07-13-21, 12:00 PM
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Tubus makes an adaptor for QR hubs. You could take that idea and fabricate something. Alternatively, change the upper mount and use P-clamps on the seat stays.
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Old 07-13-21, 12:01 PM
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sensitivejonah
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Originally Posted by 10 Wheels View Post
What bike is that?
It is a State 4130 Single Speed
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Old 07-13-21, 12:12 PM
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10 Wheels
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I used one of these.
Amazon.com : Topeak MTX BeamRack Bike Mounted Rack : Sports & Outdoors
I used one.

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Last edited by 10 Wheels; 07-13-21 at 12:18 PM. Reason: add pic
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Old 07-13-21, 12:15 PM
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Originally Posted by andrewclaus View Post
Tubus makes an adaptor for QR hubs. You could take that idea and fabricate something. Alternatively, change the upper mount and use P-clamps on the seat stays.
Forgive me for being a newb, but it looks like the QR adapter goes through the middle of the hub. Is that true, and if so, is that hole load-bearing?
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Old 07-13-21, 12:23 PM
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P Clamps are cheap, they clamp to the seat stays (or any stays.

P-Clamps for Fender Attachment – Velo Orange (velo-orange.com)
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Old 07-13-21, 12:29 PM
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Originally Posted by sensitivejonah View Post
Forgive me for being a newb, but it looks like the QR adapter goes through the middle of the hub. Is that true, and if so, is that hole load-bearing?
The QR system is not load bearing in the shear direction. It's a tension device only. It clamps a hollow, shorter axle to the frame dropouts. The ends of the axle do not extend past the outside of the frame. So you can't use it for a solid axle, but one could fabricate similar adapters. As mentioned above, P-clamps are much easier if you can make the upper hardware work. Often that needs to be modified anyway.
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Old 07-13-21, 12:36 PM
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Originally Posted by andrewclaus View Post
The QR system is not load bearing in the shear direction. It's a tension device only. It clamps a hollow, shorter axle to the frame dropouts. The ends of the axle do not extend past the outside of the frame. So you can't use it for a solid axle, but one could fabricate similar adapters. As mentioned above, P-clamps are much easier if you can make the upper hardware work. Often that needs to be modified anyway.
https://www.tubus.com/fileadmin/user...ner_MA_1.0.pdf Here, it looks like the QR system's rod goes through the hub and supports the weight of the rack.
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Old 07-13-21, 12:38 PM
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Sorry, I thought you meant the weight of the bike and rider on the hub. Yes, the QR supports the rack weight, but it's a moot point since you don't have QR.
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Old 07-13-21, 12:41 PM
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Originally Posted by Steve B. View Post
P Clamps are cheap, they clamp to the seat stays (or any stays.

P-Clamps for Fender Attachment Velo Orange (velo-orange.com)
also know as "Adel clamps" or MS21919 clamps; make certain that you get the kind with the corrosion-resistant steel bands, they are stronger than aluminum.
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Old 07-13-21, 12:44 PM
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Originally Posted by andrewclaus View Post
Sorry, I thought you meant the weight of the bike and rider on the hub. Yes, the QR supports the rack weight, but it's a moot point since you don't have QR.
However, I do have a similar hole in my hub. I am wondering if a threaded rod and a nut/washer could work
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Old 07-13-21, 02:16 PM
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P-clamps are probably the easiest way to deal with this. Make sure you get steel ones; plastic p-clamps are only strong enough for mudguards.

Alternatively, Blackburn used to make "custom eyelets" that fit in the window of the dropout. You can still find them on e.g. eBay.

I'm not fond of mounting racks on the hub axle; it makes wheel removal awkward.
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Old 07-13-21, 02:29 PM
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Originally Posted by Steve B. View Post
P Clamps are cheap, they clamp to the seat stays (or any stays.

P-Clamps for Fender Attachment Velo Orange (velo-orange.com)
also know as "Adel clamps" or MS21919 clamps; make certain that you get the kind with the corrosion-resistant steel bands, they are stronger than aluminum.
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Old 07-13-21, 03:30 PM
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Originally Posted by sensitivejonah View Post
https://www.tubus.com/fileadmin/user...ner_MA_1.0.pdf Here, it looks like the QR system's rod goes through the hub and supports the weight of the rack.
I've used the Adel clamps on a previous bike with good success. The fitting you link above would work as well. The other option is get a flat piece of stainless, drill a hole for the axle on one end and thread in an eyelet on the other end for the rack.

If that bike is unpainted stainless it would be pretty inexpensive to get someone to weld on an tab for a rack mount.
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Old 07-13-21, 04:31 PM
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Originally Posted by JohnDThompson View Post
P-clamps are probably the easiest way to deal with this. Make sure you get steel ones; plastic p-clamps are only strong enough for mudguards.

Alternatively, Blackburn used to make "custom eyelets" that fit in the window of the dropout. You can still find them on e.g. eBay.

I'm not fond of mounting racks on the hub axle; it makes wheel removal awkward.
I had a set of these once worked great. I recently made similar using m5/6 bolts, washer and plumbing rubber cones..... it OP is creative and can do a few trips to ACE it is really not that difficult to do....just fiddley
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Old 07-13-21, 04:32 PM
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+1 on P clamps. Give it a try. Inexpensive, widely available locally (usually), and quick to try. More than likely will work well.
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Old 07-14-21, 02:28 AM
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P clamps from the hardware store, they should work with a rack. Wish someone made some bicycle specific ones that looked better. They'd probably sell a lot of them.


Last edited by Lazyass; 07-14-21 at 02:31 AM.
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Old 07-17-21, 10:52 PM
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Here's what the Blackburn rack adapters look like in real life.




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