Bike Friday Trailer hitch
2 Attachment(s)
Hi fellows
I own a BF trailer never use it before I was thinking I will take it to my next adventure . I wanted to tried it today and I can fit the hitch to my bike I own a Pocket Llama with rohloff external box gears and the hitch collapse with the external box see the pictures. I wanted to change the hitch for the carry freedom lollypop and it s not working also because I need to drill a new hole on the lollypop ,because the holes in the trailer are from the side. I was thinking maybe use this Trailer Accessory - Trailers get another hose for the trailer and in the hose put the elastomer llolipop Carry Freedom Lollypop elastomer What do you think or maybe another better idea? Thank you |
What about using the Bike Friday hitch adapter.
https://store.bikefriday.com/product...qsrbprfeis0062 https://store.bikefriday.com/images//parts/18068.jpg It should fit just ahead of where all the hub stuff is. I'm surprised it didn't come with your bike. You might be able to get a local welder to make something similar if purchasing/shipping is too big of a hassle. |
Alternatives, A) spacer and a 145 tandem hub QR skewer,
B) Thule-Chariot ball and socket hitch.. Interesting to note the company you link to uses the chariot hitch on the carry-freedom city trailer.. http://shop.planet-used.com/shop/en/...railer-51.html its a perfect match there , (My Brompton tows It) but the red lolly and pin on the Y frame.. C) Burly hitch I have a Co Op era Burly Alternative hitch.. (I got 9 years ago) the hitch and QR are integrated into one item. I have it on my Rohloff Koga world tour.. http://www.backcountry.com/images/it...LY0016/ALL.jpg My BiFri Rohloff Llama has the brazed on fitting for the air hose connector , ( its a threaded sleeve brazed on the upper stay) NB ( readers)you could have specified it be fitted on the order specs the frame and bike was built to.. ( My bike, a refused BTO someone else ordered) ... |
Originally Posted by CliffordK
(Post 19883501)
What about using the Bike Friday hitch adapter.
https://store.bikefriday.com/product...qsrbprfeis0062 https://store.bikefriday.com/images//parts/18068.jpg It should fit just ahead of where all the hub stuff is. I'm surprised it didn't come with your bike. You might be able to get a local welder to make something similar if purchasing/shipping is too big of a hassle. |
One of my bike friday bikes came with the 1/4" NPT pipe welded to the frame.
One came with that little adapter. I can take any photos you like, although you should be able to work on the dimensions from the tubing size on the bike. I did use the adapter on my old Colnago, but it seemed to have worked itself loose on the tapered rear stay tubing. I believe the BF tubing doesn't have a taper, so that shouldn't be an issue. |
Originally Posted by gdlerner
(Post 19883653)
My bike didnīt come with the hitch adapter on the frame like other BF they forgot it and for this small peace 39 pluss shipping to Germany.... I will find somebody to build something will be much cheaper
It is quite possible they would just drop it in the mail for free. The worst they can say is NO. |
Originally Posted by CliffordK
(Post 19883751)
If you bought everything new from Bike Friday, Bike, Rohloff, & trailer kit as a single package purchase, and you're missing a part (or were sent incompatible parts), then I'd send them an e-mail and ask about the adapter.
It is quite possible they would just drop it in the mail for free. The worst they can say is NO. Maybe I can just make an extension of the arm with a hose and put there the lollipot I will see |
You can mount the Rohloff shiftbox the other way round (cables facing upwards) - I had to do this on one of my bikes. Looks like this could free enough space. A bit more of a change (but with success guarantee) would be to get rid of the external shiftbox completely and to switch the Rohloff to internal shifting.
|
Originally Posted by berlinonaut
(Post 19883819)
You can mount the Rohloff shiftbox the other way round (cables facing upwards) - I had to do this on one of my bikes. Looks like this could free enough space. A bit more of a change (but with success guarantee) would be to get rid of the external shiftbox completely and to switch the Rohloff to internal shifting.
|
Or maybe I tried to adapt this hitch
https://www.amazon.com/Sunlite-Trail...+trailer+hitch |
SO? replace the 2 shift cables so the external shift box faces up* it will take a little more cable to reach the new location..
* Its Been Done.. read the Manual . its on page 32 'cable routing, external gear mech'.. .... |
What about Burley Hitch Adapter? Then you could stay with the BF hitch. Its disadvantage is an increase in the transverse size, but principally for BF there is so much dismantling anyway that you can take off the adapter for packing.
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its a nut with an extension He shows a QR Skewer, not the threaded TS axle..
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Originally Posted by gdlerner
(Post 19883653)
My bike didnīt come with the hitch adapter on the frame like other BF they forgot it and for this small peace 39 pluss shipping to Germany.... I will find somebody to build something will be much cheaper
|
The fitting is just an industrial air hose quick disconnect..
Brazed onto the frame is a tubular threaded ring, that should be easy for a metalworking fabricator to make.. the QR can be used to hold it down ... .... |
If I understand correctly, Pic number two shows the hitch mount, and you took the picture to show the conflicts.
Why don't you just put the hitch plate in a vise and put a bend in it so that the hose connector is farther away from the shift box, while keeping the plate flat around the axle QR area. Alternatively, could the trailer tongue be reversed on the trailer so as it connects to the drive side of the bike , and therefore mount the hitch plate on that side? |
Originally Posted by fietsbob
(Post 19885604)
its a nut with an extension He shows a QR Skewer, not the threaded TS axle..
|
Originally Posted by zebede
(Post 19885814)
Why don't you just put the hitch plate in a vise and put a bend in it so that the hose connector is farther away from the shift box, while keeping the plate flat around the axle QR area.
You could probably bend it either hot or cold. |
I just contacted BF and the are always so helpful they make a special hitch for people with external Rohloff so I ordered one.
Thanks for all the suggestions |
Hi guy
can some one please tell me where do I need to measure the hitch to upgrade to weber coupling (they have different size )the small tube 1 or the big part 2with the nuts https://www.bilder-upload.eu/thumb/7...1588337724.jpg Thanks |
Originally Posted by gdlerner
(Post 21448673)
Hi guy
can some one please tell me where do I need to measure the hitch to upgrade to weber coupling (they have different size )the small tube 1 or the big part 2with the nuts Once you get some experience with the Weber coupling, can you please describe it? While I have used Radical Design coupling with the BF trailer, I thought about going the Weber route as it looks very versatile. |
I have no idea if this part is original I bought my trailer on ebay some years ago was sold as a reconditionar heavy duty.
Wich hicht are you using? Do you have a link? I wa thinking buying this parts https://www.weber-products.de/de/sho...product-id=414 https://www.weber-products.de/de/sho...product-id=317 |
Originally Posted by gdlerner
(Post 21448879)
I have no idea if this part is original I bought my trailer on ebay some years ago was sold as a reconditionar heavy duty.
Wich hicht are you using? Do you have a link? https://www.radicaldesign.com/hitch-trailer-side I also needed a piece of a steel reinforced pneumatic hose + hose clamp and bolts to finish this off. Mounting the Weber coupling could be more straightforward from the trailer side.
Originally Posted by gdlerner
(Post 21448879)
I wa thinking buying this parts
https://www.weber-products.de/de/sho...product-id=414 https://www.weber-products.de/de/sho...product-id=317 |
Originally Posted by 2_i
(Post 21449094)
https://www.radicaldesign.com/hitch-ball
https://www.radicaldesign.com/hitch-trailer-side I also needed a piece of a steel reinforced pneumatic hose + hose clamp and bolts to finish this off. Mounting the Weber coupling could be more straightforward from the trailer side. https://cimg3.ibsrv.net/gimg/bikefor...2a4de3d20d.jpg |
Originally Posted by Jipe
(Post 21449307)
I have a Brompton with a Rohloff with external gear box and I can use the standard Radical Design hitch ball with my Cyclone IV Chubby trailer without any problem,
https://cimg1.ibsrv.net/gimg/bikefor...a860eb515d.jpg |
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