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Got your PM! I'm afraid I can't really help you with the BMX tyres, as I have no experience of them. I'm currently running a Continental Contact (37-406), measuring about 40mm on the BMX rim. It's not the most compliant tyre, but it's impressively tough (not far off a Marathon Plus, at a fraction of the price). I wouldn't fit something too racey, it should remain practical after all (saying that you can now buy a Schwalbe G-one). I'll probably go a little bigger size-wise for the next front tyre, but the stock mudguard is quite narrow so I'll have to look into that. For the rear I'd stick to a 700c if I were you, as there's so much choice tyre-wise. Saying so a 650b WTB Byway should fit (it does on the full fat cargo).
Unless you live somewhere very hilly I wouldn't worry about the motor. It's a very capable machine, the massive downtube also mean it's a stiff frame.
Lolo-
Thanks a lot for your quick reply. Very helpful!
Yes fender space is a concern. If you look here: http://www.nolifelikethislife.com/byexpressen-omniumcargo/
Looks nice and quite functional but no fenders...
I wonder what is the difference between a 650b+ 2.00 wtb and a 700c marathon with max width 1.5 in terms of compromise between speed / confort / stability of load... In you experience with narrow tires such as the one you have, how do you feel the ride is? But yes 700 has much more choice. What do you have in the back and how do feel about it? Thanks again
stefunlekite
Hi Guys, new here but I would like some advice please on building an Omnium Mini-max
I recently bought a used large frame (2016) and a used 406 alexrim DM 24 (24 internal).
Background: I plan on using it for carying 20-40kg cargo over 45min max. I will also ride it without any load but I have a normal bike too. Quite keen on an electric motor too. I m 90kg and I like to go fast but wouldn't want a super uncomfy ride
My questions are: what setting would you advise for:
1) front tyre: I'm thinking a bmx race tyre like tioga or maxxis dth / torck. But I m really not sure on the width. I m think 2+ but it s hard to find. Is it worth paying the premium for lighter tyres and nicer tpi on such a bike?
2) Back wheel and tyre. I saw quite a few 27.5 with plus road tyre (like WTB horizon). Is this a good option (fast enought?). Or go 29 with 1.5inch (max allowed with fenders I think)?
Thanks a lot for any advise. It s really appreciated
Stephen