BOB YAK 28 PLUS Trailer for 26 / 28 Inch Wheels - with QR & Yak Sak - Black

Customer Reviews (3)
4.7 / 5| Write your review
£850.00 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
Simply the best touring trailer we have ever used.
Dimensions: 25 inch (L) x 16 inch (W) x 18 inch (H) - QR wheel size 16 x 1.75 (305) - Schrader valve, spare spokes are 132mm.
Supplied with replacement skewer and flag.
Weight: 5.6kg
Max Load: 32kg
Fits 26 inch / 700c / 27inch wheel cycles.
See Yak spares item #2006 for additional waterproof sack.
The price includes a waterproof yellow sak.
Product Reviews (3)
Questions & Answers (17) Q & A
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Product Reviews (3)
Overall Product Rating 4.7 / 5
Great Trailer
By Nicholas Corson
16 Aug 2016
5 / 5
I recommend this product
SJS were really quick at sending out the Ibex after I ordered the Yak mistake. Though not recommended for it I am adapting the trailer to carry my dog, thus far working really well, he seems comfortable enough. The trailer is easy to assemble, easy to hook up and trails the bike well.
Bob Yak Trailer.
By Anonymous
17 Jul 2011
4 / 5
I recommend this product
ConsCan be a problem fitting it to a wider than norm bike
ProsTracks well, handles brill
Managed to get the trailer fitted to my Thorn Nomad MK2 after a struggle. It was difficult fitting the trailer fork onto the quick release skewer due to the Rohloff hub and expo rack, it was too wide! Had to use a number of washers on the quick release to widen the bobins (even after they had been reversed!)
Once fitted the trailer is great, handles well on single ruff cycle paths and tracks the bike really well. Problem trying to get the bike and trailer through those silly cycle gates!
Great product and a recommended buy.
beast trailer
By Anonymous
07 Feb 2007
5 / 5
Handles just brilliantly - better when fully loaded. Good quality, the best way to carry big loads - I use mine for camping and Ive got the weekly shop in before now...
Questions & Answers (17)
What size is the rim on the trailers wheel?
02 Aug 2023
What size is the rim on the trailer's wheel? Such as diameter and width of the tire seats. Would like to pick up some spares.
Thank you for your enquiry. The wheel size is 16 inch (305) & it uses a 16 x 1.75 (47-305) tyre, the numbers in brackets are known as the ETRTO size & is basically the metric size however these are the numbers to look for. BOB sell a complete wheel, tyre & tube on our item number 60053.
Kind Regards. JP 02/08/23
Bob Yak trailer with horizontal drop outs
01 Aug 2021
Will the Bob Yak trailer work with horizontal drop outs and a Campagnolo Nuovo Tipo 127mm OLD hub? I am particularly concerned about the skewer slipping, as some modern alloy quick releases are reputed to slip with horizontal dropouts.
We have never tested this combo together so i cannot say- best to contact BOB directly on that one!

JK 02.08.21
SON xs dynamo hub wheel for Bob Yak trailer?
16 Mar 2021
Hi SJS. Hope you are all keeping safe and sane through this crisis. Can you see any issues with using a SON xs hub in the wheel of my Bob Yak trailer? Already have a front dynamo hub but thought this could charge a battery in the trailer as I go along. Any comments gratefully received. Regards. Neil
As long as the OLN of the hub is correct this should work- I've never seen this done so I cannot say for certain but in theory, this setup should work.


JK 16.03.21
I have 3 bikes - 27.5," 28" & a 29" mtb's. Will this fit all three?
24 Jul 2020
Or is there an additional thru axle i can buy to ensure that it does? Thanks!
Fits 26 inch / 700c / 27inch wheel cycles, so yes, should be fine for all bikes depending on the axle type! If they are all 135mm QR - This trailer will fit from 126.5mm up to 140mm dropouts

Thanks - 28/07/20
I have an old tandem with a 120mm Sturmey rear axle. Can the Bob fit? Thanks
10 Apr 2020
With the correct Sturmey BOB YAK Solid Axle Nutz (SJS Cycles part number : 1075TS) but you may need to bend the Front Tow Arm Fork in a bit to reach, not as hard as it sounds. RT 13/04/2020
are the BOB trailers attachments wide enough or not???
08 Feb 2020
One of your customer service responses was "This trailer will fit from 126.5mm up to 140mm dropouts." but the next says that you can use part 44420 to fit the trailer to a 12 x 148 through bolt which is clearly wider than 140mm, so which is correct? I am trying to use an existing BOB Ibex trailer with a 2020 Salsa Cutthroat that has a rear 12 x 148 boost through bolt. Let me know as I would like to purchase the Robert adapter if it actually works with my trailer or is another part needed for this to work?
For 145mm + you need the BOB Fork Santana + RAB Axle! Sorry to confuse you.

Thanks - 10/02/20
Is there a way of attaching to bike which has new through type axle ?
01 Feb 2020
Yes! You need a Robert Axle Project axle -

Thanks - 03/02/20
Drop Out bobins too wide for bob fork
02 Nov 2019
Hi, I have a bike with rohloff hub disc version with gates carbon drive belt. The width of the hub is 135mm, as the inner width of dropout, which has an outer width of 148mm. I am looking to buy a bob yak. So before ordering it (no possibility to buy directly from the shop where I live) I decided to rent one, and local bicycle rent shop has one. Sk went there and was surprised to find out that drop out plus bobins was way too wide for the bob trailers fork. I suspected that fork was bent, but guys from the shop assured that not, and that for usually fits 130mm internal width dropouts, and mine according to them is too wide. But I have checked in bob manual and it says that it should be fine up to 140mm internal / 156 mm outer width? So frankly I am not sure where woul be the problem? Is the bob teailer fork bendable to make tik wider? I need 28 fork.
Hi there,

This trailer will fit from 126.5mm up to 140mm dropouts. For 145mm + you need the BOB Fork Santana + RAB Axle!

The boost spacing on my Specialized Enduro with a 12x148 axle?
10 May 2019
You just need to use - SJS Cycles part number : 44420 you need the BOB Fork Santana + RAB Axle!

Thanks - 13/05/19
Extra wide skewer
29 Jun 2018
Further to Tim’s question about his rear panier mount and your suggestion to fit and pack an extra wide skewer, how do the arms on the Bob trailer expand to accommodate the extra width? How much would it cost to supply one of the extra wide skewers to Cornwall so that I can check that I can fit it properly before purchasing the trailer.
The BOB trailer will cope no problem with a slightly wider mounting point. The skewers can be found here -
I have two bikes a Brompton and a 29er, will it fit and do I need two different forks?
13 Feb 2018
Hi there,

This trailer is not suitable for a Brompton bicycle. The smallest wheel size is 26".

Do you have any of the BOB'S with the yellow sack?
20 Jul 2017
Hi, the Yak Sak is included with this BOB trailer. Kind Regards
Drop Out Width
10 May 2017
I am looking for a trailer that will fit on my 2016 Marin Pine mountain 1. The dropouts are 135mm inner and 145mm outer measurement . Would a Bob Trailer fit on this?

Yes a BOB trailer will fit your bike. The instruction document attached has further information should you need it.
Hi, Would This Fit A Thorn Rst With A Rohloff Hub?
16 Jan 2017

There isn't any reason as to why you would not be able to fit this to your Thorn RST.

I Need The 160Mm Skewer To Fit My Bike, Not The Standard One, Is This Available?
04 Sep 2016

Although not available to order with the trailer, the longer skewers are available to order separately. We stock these and they are SJSC part number 1074.

We Have A Thorn Raven Twin Rohlof Tandem With Sjs Fitted
07 Jun 2015
rear pannier rack. Is there any problem fitting a BOB Yak trailer, with the clearance between the lower pannier mount on the rear dropout and the trailer hook attachments to the BOB QR skewer bobbins?

With the standard skewer supplied with the BOB Yak trailer there is a clearance issue yes, the point for attachment on the skewer site directly below the pannier bolt preventing the trailer from being fitted. There is a solution though and this is to buy separately the longer version of the quick release skewer and fit some sort of spacer between the frame and quick release. This allows the rear wheel to still be in tight but moves the BOB fitting points further away from the frame out of the way of the rack fittings.

Bob Yak Trailer Info
04 Sep 2014
does the trailer come with one QR skewer or 2? is it worth the extra money over the similar looking mwave trailer, in terms of build quality etc? I am looking for a trailer to use with thorn childback tandem for touring 26in wheels, and with my single bike 700c wheels for weekly shopping etc. thanks

The Bok Yak trailers only come with a single skewer but they are available separately if you did require another. The Bok Yak trailers are by far the best quality trailers available, but the price does reflect this.