2019 Surly

Big Dummy

A 26″ steel frame long tail cargo bike with upper mid-range components and mechanical disc brakes.

Manufacturer Price

$2,150
FrameSteel
SuspensionRigid
ForkSteel
Wheels26″ Aluminum
Drivetrain3 × 10
GroupsetGX, Deore
BrakesMechanical Disc
Where to Buy
Similar Bikes

For This Bike

Accessories
Top Comparison
Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

34 mph

Big Dummy

25 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Surly Big Dummy, Surly 4130 Chromoly steel. Surly Big Dummy, Surly 4130 Chromoly steel. Main triangle double-butted. TIG-welded cargo specific engineered for stiffness.

Tire Clearance2.5"

Fork

Surly Troll, TIG-welded 4130 Chromoly, Surly Troll 420mm axle-to-crown x 43mm offset, tapered and butted straight blade, 4130 Chromoly. 51mm I.S. disc mount

Bottom Bracket

SRAM

Headset

Cane Creek 40

Stem

4 Bolt 31.8mm clamp

Handlebar

Premetec

Saddle

WTB Volt Sport

Seatpost

2 -Bolt. 27.2mm

TypeRigid

Groupset
Rear Derailleur

SRAM GX Type 2.1

Front Derailleur

Shimano Deore, FD-T611-3

Crank

TruVativ 48/36/26

Shifters

X5 Trigger

Cassette

Microshift CS-H100 10 speed, 11-36t

Chain

KMC X10

Brakes

Avid BB7

TypeMechanical Disc

Brake Levers

Avid FR-5

Wheels
Rims

Alex Adventurer

Front Hub

Shimano Deore M525, 36h, QR

Rear Hub

Shimano Deore M525, 36h, QR

Tires

Schwalbe Big Apple 26" x 60mm

Disc Rotors

SRAM Centerline 180/180mm

Rider Notes
Riders Also Viewed

Last updated July 15
Not listed for 1,741 days