The Big Fat Dummy is a long tail cargo bike that took a few too many doses of growth hormones. At first glance, you might say that Surly just put bigger tires on a Big Dummy. But if you said that, you'd actually be very wrong so just… don't. Think of Big Fat Dummy as more of a second or third cousin to Big Dummy rather than a brother. They share some of the same DNA and look sort of similar, but they're two very different bikes and really only interact when they both reach for the potato salad spoon at that family reunion that no one really wants to be at anyway. Now that that's out of the way, let's get down to the nitty gritty of what makes this hulking beast of a bike tick. Surly's goal with designing a cargo bike around fat tires was to create the most stable, stiff, and traction-laden ride possible while hauling a ton of stuff. Big Fat Dummy has a longer toptube and slacker headtube than its more svelt cousin giving it a nice, predictable, and stable ride. They also used thinner, lighter tubing to construct its cargo area so while it's an overall burlier bike, there's not much difference in weight. Big Fat Dummy accepts either 10mm or 12mm axles in the rear with a spacing of 190/197mm. That big ol' spacing equates to one thing: tire clearance for days. Big Fat Dummy maxes out at a massive 26 x 5.25" tire.* While that large of a tire provides the most traction and stability a bike can possibly offer, it's also a lot of rubber to push and might not be for everybody. Luckily, Big Fat Dummy is also a blast to ride with 3" tires too. It uses the same 100mm suspension-corrected fork as the Wednesday, meaning if you want to add a little squishy squishy to your ride, you can throw a Bluto on and let ‘er rip. If you intend to carry a passenger on your Big Fat Dummy, Surly requires use of their Dummy Rail Collars. These provide a secondary retention system for the rack, as well as stiffen the rack system. In addition, a stoker handlebar set up, found on tandem bicycles, is recommended as well. Make sure to check with seat post manufacturer for stoker handlebar compatibility. All Big Fat Dummy framesets and bikes ship with a Dummy deck, rails, bags, and the aforementioned Dummy Rail Collars so you can immediately start hauling cargo — human or otherwise. Big Fat Dummy is ready and willing to carry all sorts of crap — literally. It's already in use on an organic farm in Ecuador so it's likely that it's hauled some form of manure by now. *Using a 26 x 5.25" tire will cause some drivetrain limitations.
With a powerful Shimano STepS E8000 motor to drive you up the steepest hills and mid-fat 27.5 x 2.8-inch tires for impressive all-terrain traction, the Shift Plus I/O 5 is your ticket to newfound adventure. Endless possibilities unfold as you open the doors to new trails and the Shift's dual-suspension frame urges you to push farther than ever before. Shimano's reliable Deore 10-speed drivetrain fires off crisp shifts, and Shimano hydraulic disc brakes with big 180mm rotors keep you in control with powerful one-finger braking. And for confident tracking through high-speed corners, Boost hub spacing and sturdy thru-axles deliver precise response.
The Haro Double Peak I/O sports distinctively smooth and flowy lines designed to lower the standover height and center of gravity. In addition, the Double Peak I/O includes proprietary SpeedStays for outstanding handling and performance. It comes complete with with a crisp-shifting 10-speed 1X Shimano drivetrain and Shimano’s STePS 6050 mid-motor drive for road and light trail trail use. - DP COMP I/O frame, X6 alloy, for E-6000 motor, external battery 1-1/8" head tube - Suntour XCM32 / E-Bike E-45, 100mm travel - Shimano STePS E6050 Drive unit / 250 Watts, STePS 450 w/h battery - Shimano Deore RD-6000, 10-spd, Shadow Plus rear derailleur, - Deore 10-spd, 11-42T Cassette - FSA crankarms for STePS E-6000 motor - Shimano M365 hydraulic disc brakes, 180mm / 160mm rotors
Solum I/O brings Haro's vaunted Rider Tuned Geometry to the pedelec category. Designed from the ground up to be the ultimate sporty eBike, the Solum I/O is equally at home crushing your commute, or that rails-to-trails route on the weekend. Shimano's STePS center-drive motor system provides assistance up to 20 miles per hour, and the simple Shimano 1x10 drivetrain allows you to get to the office early, every time, without breaking a sweat. With full rack and fender mounts, it's ready to become your weekend errand machine as well, easily cutting time off the trip to the coffee shop or gym.
Solum I/O ST brings Haro's vaunted Rider Tuned Geometry to the pedelec category. Designed from the ground up to be the ultimate sporty eBike, the Solum I/O is equally at home crushing your commute, or that rails-to-trails route on the weekend. Shimano's STePS center-drive motor system provides assistance up to 20 miles per hour, and the simple Shimano 1x10 drivetrain allows you to get to the office early, every time, without breaking a sweat. With full rack and fender mounts, it's ready to become your weekend errand machine as well, easily cutting time off the trip to the coffee shop or gym. The step-through frame design eases mounting and dismounting, too.
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