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Discussion Starter · #1 · (Edited)
Yuba Mundo is now a fully established cargo bike with many owners worldwide. Let's share our experience from riding her, loading her and upgrading her. Here is mine with a fixie in a tow, with a 1940 vintage S&K velocipede, parked at home next to a coat rack, and a detail of her winter shoe. Mine is stock V3 with a front rack, Avid bb5 upgrade and few small things to make the ride for my kids more comfortable. Post pictures of yours, show us the improvements you made on her...
 

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Scofflaw
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My Yuba Mundo v4.0



250 pound passenger, dirt road, passenger movement steers bike... not a good experience for me. 140 pound passenger, dirt road, passenger movement effects bike... this is near maximum comfortable live load. 40 pound passenger, basically no effect on handling or me.

Mundo is used for hauling and recreational riding, 140 pound passenger (grandson) wants one of his own. From a bulk standpoint, two large square bales of hay is a maximum load (for me) and the weight is a 130 ~ 140 pounds.. (This is a maximum load that I can transport a useful distance.)
 

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Discussion Starter · #5 ·
front rack

A front rack - a "bread platform" becomes very useful when one carries two kids on the rear rack and needs to pick up a bulky item in the store on the way home. It is easy to attach - just two brackets with 4 screws.
 

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Hi Fox, thanks for starting this thread:thumbsup: Here are my Mundos, my Orange for daily all around commuter


Here is my Black Mundo for off-road / single track / fire road use.
 

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Discussion Starter · #7 ·
stand alone kickstand

Just a short advice to anybody considering Yuba Mundo. Whatever configuration you get, make sure you buy a stand alone kickstand. It gives the bike incredible stability whenever you need it - be it kids or a load of shopping bags.
 

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Discussion Starter · #9 · (Edited)
The rack is Yuba's own, available from their website. I bought it directly with my bicycle. Given a standard head tube, it will fit most mountain bikes with 1 1/8" headset.
 

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The rack is Yuba's own, available from their website. I bought it directly with my bicycle. Given a standard head tube, it will fit most mountain bikes with 1 1/8" headset.
Nice, I really want one of those for my Mundo. After a bit of googling I found out that the rack is made for Yuba by Steco, a Dutch Company.
 

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OK Then! Now I can post pics!

I replaced my 29er w/BOB trailer with a Mundo. The Mundo goes anywhere the old bike did. The Mundo takes "hike-a-bike" to a new level with the rear handlebars to grab hold of. Shown here with about 80lb of camping gear, and a custom four water bottle capacity bar bag system. I run downhill tires with slime because everything has thorns where I live. I did have Hookworms front and back but the wire bead broke on the front tire and it would dismount itself from the rim on occasion, something I'm glad didn't happen while I was bombing down some hill! Anyway I threw a $5 almost bald Kenda Nevegal 2.35 on the front and it grabs the ground a little better than the Hookworm but offers slightly less floatation at low psi. Pretty happy with the combo actualy. I want one of those front racks, just not sure if I want the black one that clamps to head tube or the new one that bolts to the braze-ons. The black one looks more solid to me. I'd also really like to rebuid my bike with a pugsley fork up front and Endomorphs or Black Floyds (fat tires, for those who dont know check out the fatbikes forum) A fat tired Mundo would be the ultimate go anywhere do anything bike. I think you would have to run an internal gear hub because of chain rub. If anyone has done this I'd love to see pics. Also, For anyone who wants to tow a bob trailer, The main tubes at the very back of the bike have an I.D. of 7/8in. so you can put quill stems in them and possibly rig up a spot to put a BOB skewer.
 

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A front rack - a "bread platform" becomes very useful when one carries two kids on the rear rack and needs to pick up a bulky item in the store on the way home. It is easy to attach - just two brackets with 4 screws.
Dude, I would totaly plug those braze-on holes in that cold looking place in the pics. I would take a sharp pencil and jam it into the holes and then snap it off so the tip stays in there and prevents rust.:skep: Kidding, I would put some anti seize on some hardware and seal it up. I dont know if the braze-ons are open to the inside of the frame but that would suck if the uncoated inside of the frame started to rust from the inside out. Or someone could have a small flexible tube full of lead bird shot and fill your frame when you were not looking!:eek: Nice bike, and totaly dig the front rack.
 

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Discussion Starter · #14 · (Edited)
I, too, ended up with 2.35 downhill tires with slime. For that I played with the chain line a bit. I put a 2 mm washer under the right BB cup and under the freewheel. Still at a small-front large-rear combination, the chain sometimes rubs. I measured other possibilities such as a wider BB spindle or a 6 cog freewheel at the back, but you would not get a chain line for a tire much bigger than 2.3-2,5" at the back. The reason you can get a better chain line with regular bikes is that a tire is right behind the BB, therefore you use the entire space behind it. On Yuba the tire is actually halfway between the BB and the rear axle, therefore on the largest cog on the freewheel you always get the chain closer to the tire. Conclusion: for anything larger, like say 2.5 - 3" you must use an internal gear hub. Then it becomes a matter of strength. I am afraid that 440#-plus-a-rider weight is too much for the hubs on the market. Nu Vinci hub may be capable of that. Tried one on a tandem and works just fine.
 

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Igh

I have heard good things about the Sram P5 Cargo hub. Yeah the 2.5 Hookworm hits the chain in the lowest gear but I am in that gear so seldom that for me its not worth worrying about, and the friction/outcome is so minimal that it doesn't matter for me anyway. Whats that thing sticking out in front of your front rotor? Some kind of guard? Has anyone ever unloaded their bike to get through a tuff spot, like a crazy rocky hill and then went back to carry their cargo up to the top? Or maybe across a deep wash? Carrying a Yuba Mundo up hiking trails is realy good exersise and will make you feel "hardcore" or sometimes crazy.:eek:ut:
 

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Discussion Starter · #16 · (Edited)
It is a Reelight (Shop) - a LED light with a friction free electricity generator. You just attach a pair of magnets on wheel spokes and enough electricity is generated to run a LED light. A small condenser (capacitor) stores small amounts of energy and decharges during stops keeping the light on for several minutes after stopping the bike. Unlike hub dynamo or BB dynamo or tire dynamo there is no contact point. You only have to overcome the force of magnetic field that is negligible compared to air resistance, rolling resistance or bearing friction. No batteries, no upkeep. Always on.
 

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Here's my v.1.1 Yuba Mundo 1st generation...paid $300 used from a college Student.

Bicycle tire Wheel Bicycle wheel rim Bicycle wheel Bicycle frame
 

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I'd rather be riding
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Just picked up four Yuba's at my shop. We have two Big Dummy's in our fleet currently. Looking forward to doing a full comparo between the two. So far Surly feels faster but flexy. Yuba's an impossible deal to beat. Good to see the cargo stuff catching on. :)
 

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Just picked up four Yuba's at my shop. We have two Big Dummy's in our fleet currently. Looking forward to doing a full comparo between the two. So far Surly feels faster but flexy. Yuba's an impossible deal to beat. Good to see the cargo stuff catching on. :)
Mr SW...you're right about the Big Dummy being a faster bike, but for the money you really can't beat the Yuba line of bikes. Plus they are doing great things in Africa with them.... the company gives them away to locals, who use them to start-up a delivery business. The following is some information on one the Africa projects, that's on-going....

Tire Wheel Bicycle wheel rim Bicycle Bicycle tire

Mundos going to Tanzania -
 
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