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  • (310) 862-5001 - Playa Vista (424) 744-8148 - Santa Monica

Surly: Big Dummy Frameset- 2019

Surly

$1,050.00
Condition:
New
Quantity:

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Product Description

Surly: Big Dummy Frameset - 2019

Haulin' Bikes

Surly are firm believers that you can and should spend as much of your day on a bicycle as possible. That includes commuting, kid-hauling, grocery shopping, hitting the hardware store and lumberyard, date night, and all other et ceteras. The long-tail cargo bike and bike trailers that make up their Haulin' category offer everything you need to leave your four-wheeled combustible vehicle at home and still run all your errands. Surly's cargo bikes have been likened to the modern-day minivan and their trailers make most pickup trucks irrelevant.

 

The Big Dummy is a long-tail cargo bike from Surly. If you want to minimize your carbon footprint, then the Big Dummy is the perfect bike to do so. There’s no limit to what it can haul — as long as it falls within the 400-pound weight limit.

  • Dedicated single-piece frame increases stiffness and decreases torsional flex

  • Human cargo compliant with the use of Dummy Rail Collars

  • Vertical, 135mm spaced dropouts with fender eyelets; Rohloff compliant

  • Clearance for 26" x 2.5" tires with fenders

 

Color: Dark Side of The Moon, Blacktacular

Size: S, M, L, XL

 

The Big Dummy is available as a complete bike.

 

GEOMETRY

big-dummy-dimensiongeo.2.png

[Units: in.]

 

Small (16)

Medium (18)

Large (20)

xLarge (22)

Reach

15.7

16.5

17

17.5

Stack

22.3

22.8

23.4

24.1

Head Tube Angle

72.0°

72.0°

72.0°

72.0°

Head Tube Length

5.2

5.7

6.3

7

Seat Tube Length

16

18

20

22

BB Drop

1.6

1.6

1.6

1.6

Wheelbase

56.5

57.4

58.1

58.9

Chainstay Length

32.6

32.6

32.6

32.6

Top Tube Length, Actual

21.7

22.4

23.2

24

Top Tube Length, Effective

22.6

23.5

24.2

24.9

Seat Tube Angle

73.0°

73.0°

73.0°

73.0°

Standover Height

29.1

30.4

31.6

32.9

Stem Length

3.1

3.5

3.9

4.3

Stem Angle

Handlebar Width

27.6

29.5

29.5

29.5

Crank Length

6.7

6.9

6.9

6.9

Fork Length

16.5

16.5

16.5

16.5

Fork Rake

1.7

1.7

1.7

1.7

All dimensions are preliminary and subject to change * Standover is measured from the top of the TT, at the center, with a tire measuring approximately Ø676mm

 

FRAME SPECS

Frame Construction

4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded

Fork Construction

4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated

Rear Dropout Configuration

Vertical

Rear Hub Spacing

10 x 135mm

Front Hub Spacing

10 x 100mm

Rear Brake

Disc - 51mm I.S. (203mm max rotor)

Rim - Canti (removable posts)

Front Brake

Disc - 51mm I.S. (203mm max rotor)

Rim - Canti (removable posts)

Head Tube

Ø34mm

Steerer Tube

Ø28.6mm (1-1/8")

Crown Race

Ø30mm (1-1/8")

Stock Headset Upper (S.H.I.S.)

EC34/28.6

Stock Headset Lower (S.H.I.S.)

EC34/30

Seat Collar

Ø30mm

Seatpost

Ø27.2mm

Front Derailleur (Clamp)

Top-pull (Ø28.6mm)

Max Chainring (CL)[3]

No frame limitations

Bottom Bracket

73mm threaded (1.37" x 24TPI)

Tire Clearance Frame [1]/[2]

26 x 2.5" (w/ fenders)

Tire Clearance Fork [1]

26 x 3.0"

Rigid Fork Spec

420 x 43mm

Max Suspension Fork Length [4]

N/A

Bottle Mounts Frame

4 Standard

Bottle Mounts Fork

4 Three-Pack

Rack Mounts Frame

Yes (Surly Dummy Rails)

Rack Mounts Fork

Yes (upper, lower, and mid-blade threaded)

Fender Mounts Frame

Yes

Fender Mounts Fork

Yes

Other Features

Kickstand plate

Dedicated Rohloff cable routing and mount for OEM 2 axle plat

[1] Different tire and rim combinations will result in different clearances.  
[2] Depending on drivetrain configuration, tire clearance may be limited by the chain and not frame.
[3] Listed chainring clearance is worst case scenario.  Clearances vary widely depending on components and configurations.
[4] Suspension fork length listed at full extension (not at sag) 

 

 

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Santa Monica: (424) 744-8148

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