Surly Big Fat Dummy Off-Road Fat Tire Cargo Bike

All-Terrain, Fat Tire Trail Bike

Big Fat Dummy is truly a hulking beast of a bike. Maximalist bikepackers, those looking to make bikepacking a family affair, and those that help maintain their local trails will appreciate the Big Fat Dummy hauling abilities.

At first glance, it might just seem like a beefed-up version of Big Dummy, but that’s actually not the case. Specifically designed around fat tires, it has a longer toptube and slacker headtube offering the most stable, stiff, and predictable ride possible while hauling a lot of cargo.

• Single-piece frame increases stiffness and decreases torsional flex
• Human cargo compliant with the use of Dummy Rail Collars
• Three-pack mounts, double water bottle bosses on seattube, internal dropper post routing
• Clearance for 26" x 5.25" tires or 29” x 3.0” tires

Specs:

• Frame: Surly 4130 Chromoly steel.
• Fork : Surly Wednesday, Tapered straight blade 4130 Chromoly.
• Seatpost Clamp:33.1mm (Surly stainless included)
• Headset: Cane Creek 40
• Brakes: SRAM Level T
• Brake Levers: SRAM Level T
• Rotors: SRAM Centerline 180/180mm
• Shifters:SRAM GX 2x11
• Stem: 31.8mm clamp 4-bolt
• Handlebar: Salsa Rustler
• Grip/Tape: Velo Single lock-on
• Saddle: WTB Volt
• Seatpost: 30.9 2-Bolt 400mm
• Crankset: Race Face AEffect 34/24T
• Bottom Bracket: Race Face
• Front Derailleur: SRAM GX 2x11 high direct mount
• Rear Derailleur: SRAM GX 2x11 type 2.1
• Cog or cogset: Sunrace 11 speed 11-42t
• Chain: KMX X11 anti rust
• Front Hub: Novatec, 32h, Thru-Axle
• Rear Hub: Novatec, 32h, Thru-Axle
• Rims: WTB Scraper i40 ST TCS
• Tires: Surly Dirt Wizard 29x3 60tpi