Bulletin: As our customers chose the Yuba Mundo over the Big Dummy by ratios of 20:1 or more in the past couple of years, we’ve stopped making a point of keeping the Dummy in stock, as much as we like it. We’re more than happy to special-order one for you.
Surly Big Dummy: very stable up to about 80*100 lbs. plus pilot
Yuba Mundo: very stable to about 200 lbs. plus pilot; the bike is rated for much more, but differences in individual riders’ abilities make it hard to say how easy it is to push that much weight.
Surly’s Big Dummy ($1799 complete) has a single, purpose-built frame. Big Dummy is similar to the Yuba Mundo but a good 10 lbs. lighter, more expensive, and equipped with disc brakes, which cost extra on the Mundo. It can’t stably carry nearly as much as the Mundo, however. It’s rated for about 200 lbs. of cargo vs. over 400 lbs. for the Mundo. In reality, you start to feel a difference in stability at around 80 lbs., and that’s where the Mundo takes over the game. For riders wanting to haul less than that, the Dummy is a good choice. It’s also compatible with all XtraCycle accessories and a few Mundo accessories as well.
The photo above shows you how a single set of stoker handlebars, with an extra-long stem mounted to the seatpost, can be used by two kids at once.
Big Dummy comes in several frame sizes.
The Big Dummy is built from 4130 CroMoly
steel. Surly designed it to be torsionally rigid while offering some
vertical compliance. That is industry jargon that means it isn’t supposed to fishtail too much with lots of weight on the back. The Big Dummy features disc caliper mounts and
cantilever brake pivots, clearance for 26 x 2.5″ tires and fenders,
multiple water bottle cage mounts, and a sturdy kickstand. You can purchase a Big Dummy frameset ($900) and set it up
with mountain components, road components, or a mixture of both. There
are no chainring clearance limitations…except the ground, so you can
gear it as high or low as you like. The included 425mm axle-to-crown
CroMoly fork can be swapped out for an 80mm-travel suspension fork
without radically altering the steering geometry.