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Utility Cycling Want to haul groceries, beer, maybe even your kids? You don't have to live car free to put your bike to use as a workhorse. Here's the place to share and learn about the bicycle as a utility vehicle.

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Old 02-06-12, 10:34 AM   #1
erikvonb
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Bob Yak with Sturmey Archer hub

I'm wondering if anyone can help with this...

I've recently purchased a Bob Yak single wheeled trailer and it works great with the bikes that I have.

I'm considering buying a new bike that has a Sturmey Archer SRF5 hub. I'm not sure if the trailer will work with this hub, but am hoping that someone has actual experience.

I know they sell Bob Nutz for use with solid axles, but the SRF5 has a shifter cable that uses a plastic guide that sits right on the axle (see photo)

Any ideas how I could make this work? I've spoken to BOB and they are going to get back to me, but in the meantime, I thought I'd ask here.

Any help is appreciated...

- Erik

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Old 02-06-12, 11:13 AM   #2
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Originally Posted by erikvonb View Post
I'm wondering if anyone can help with this...

I've recently purchased a Bob Yak single wheeled trailer and it works great with the bikes that I have.

I'm considering buying a new bike that has a Sturmey Archer SRF5 hub. I'm not sure if the trailer will work with this hub, but am hoping that someone has actual experience.

I know they sell Bob Nutz for use with solid axles, but the SRF5 has a shifter cable that uses a plastic guide that sits right on the axle (see photo)

Any ideas how I could make this work? I've spoken to BOB and they are going to get back to me, but in the meantime, I thought I'd ask here.

Any help is appreciated...

- Erik


E-mail BOB and ask??
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Old 02-06-12, 11:32 AM   #3
erikvonb
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E-mail BOB and ask??
As stated in my original post, I have spoken to BOB, as well as emailed them photos and SRF5 specs. I'm waiting for them to get back to me, but was hoping if anyone here had any real-life experience.
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Old 02-06-12, 12:38 PM   #4
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You could try the Yahoo group for hubgears http://groups.yahoo.com/group/Geared_hub_bikes/messages . I think you need to be a member to ask but maybe this has been discussed already in the group? Pls post here to tell us the result if you find the answer!
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Old 02-07-12, 12:29 PM   #5
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they make a BoB Nuts set for those, it will be, somewhat, like the classic 3 speed nut.
smooth inside edge of the hole for the indicator chain to slide over...
rather than that plastic roller..

I used to have that setup . . Sachs Orbit a 6 by 2 hybrid freehub..
Sram dual drive, also uses a 3 speed IGH.
TW Sturmey is now in the 9x3 niche-market too.

Last edited by fietsbob; 02-07-12 at 12:35 PM.
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Old 02-07-12, 12:36 PM   #6
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Originally Posted by fietsbob View Post
they make a BoB Nuts set for those, it will be, somewhat, like the classic 3 speed nut.
smooth inside edge of the hole for the indicator chain to slide over...
rather than that plastic roller..

I used to have that setup . . Sram dual drive, also uses a 3 speed IGH.
So are the BOB nutz hollow?

Just to be clear...you've run a SRF5 hub with a BOB Yak with no issues?

I'm about to order a bike with that hub, but want to be absolutely sure it'll work.

- Erik.

Last edited by erikvonb; 02-07-12 at 12:37 PM. Reason: Spellig
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Old 02-07-12, 01:00 PM   #7
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the one that goes on the right side of the hub that BoB Nutz Nut is hollow..

I cannot be the total precisely just exactly like you want resource,
total hand holding guidance,..
because I don't Own Exactly that hub.
and, I got rid of my BoB trailer, A decade ago.

as the 2x 20" wheel Burly CoOp made Flatbed suited my Utility needs much better,
than a 1 wheel trailer.

I tow that with A QR skewer Mounted Hitch , Rohloff CC hub,
or their standard Alloy forged hitch mount , now

under the left axle nut on others like my Sturmey Archer AW3/ Brompton BSR.
Or my Derailleur bikes..

2nd trailer for the Brompton, now, is the Carry Freedom City, an also folding trailer.
it also uses a left side tow, by a fitting secured under the left axle nut.

Last edited by fietsbob; 02-07-12 at 01:05 PM.
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Old 02-07-12, 01:05 PM   #8
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Quote:
Originally Posted by fietsbob View Post
the one that goes on the right side of the nut is hollow..

I cannot be the total precisely just like you want resource,
because I don't Own Exactly that hub.
and, I got rid of my BoB trailer, A decade ago.
as the 2x 20" wheel Burly CoOp made Flatbed suited my Utility needs much better,
than a 1 wheel trailer.

Tow that with A QR skewer Mounted Hitch , Rohloff CC hub,
or their standard Alloy forged mount , now,
under the left axle nut on other like my Sturmey Archer AW3/ Brompton BSR.

2nd trailer for the Brompton, now, is the Carry Freedom City, an also folding trailer.
it also uses a left side tow, by a fitting secured under the left axle nut.
Ok, thanks for the help. I'm going to take the plunge and hope for the best. I'll post my findings here when I try it out...
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Old 02-07-12, 01:34 PM   #9
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I think it should work OK provided that:

1. You can see the end of the axle with the nut fitted (so you can adjust the shifter cable to correct tension)
2. That bevel of the nut is sufficiently smooth for the indicator chain to move properly.

Sturmey 5 speeds are notoriously tricky to adjust and keep that way, so both of these points are very important.

Incidentally, there is some talk that the plastic pulley thing that Sturmey says you should use with this hub is actually a real pain in the (ahem), and you a better off using a beveled nut like the 3 speeds use.
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Old 02-07-12, 04:16 PM   #10
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Reading this site says "6 different attachment options to create compatibility for most any bike" so ther should be a solution for you.
http://www.biketrailershop.com/bob-y...er-p-1359.html

If you look in the "Select Type" menu here: http://www.sjscycles.co.uk/bob-yak-s...type-prod1075/ you`ll see the "Sachs/Sturmey" option.
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