Bike details
Overview
Key information split into simple groups.
Frame summary
-
Category -
Frame Steel -
Wheels 29" -
Suspension Rigid
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded cargo specific engineered for stiffness and durability
Suspension Fork
TIG-welded 4130 CroMoly, tapered and butted straight blade with single fender eyelet on the dropout, 1-1/8? x 260mm threadless steerer, 51mm IS disc mount, removable cantilever pivots, line/housing guides
Drivetrain
Bottom Bracket
68mm wide, threaded English 1.37? x 24t
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.41 mm | 1.38 mm | 1.37 mm | 1.37 mm |
| Front Center | 611 mm | 634 mm | 652 mm | 670 mm |
| Rake | 43 mm | 43 mm | 43 mm | 43 mm |
| Trail | 74 mm | 74 mm | 74 mm | 74 mm |
| Stack | 572.9 mm | 586.4 mm | 600.5 mm | 617.7 mm |
| Reach | 406 mm | 424.5 mm | 438.1 mm | 450.5 mm |
| Top Tube Length | 579.9 mm | 602.5 mm | 620.5 mm | 638.2 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 406.4 mm | 457.2 mm | 508 mm | 558.8 mm |
| Head Tube Angle | 72 ° | 72 ° | 72 ° | 72 ° |
| Head Tube Length | 131.7 mm | 145.9 mm | 160.8 mm | 178.8 mm |
| Chainstay Length | 833 mm | 833 mm | 833 mm | 833 mm |
| Wheelbase | 1442 mm | 1465 mm | 1483 mm | 1501 mm |
| Bottom Bracket Drop | 40 mm | 40 mm | 40 mm | 40 mm |
| Standover Height | 746 mm | 777 mm | 809 mm | 842 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Big Dummy Frameset completes the Surly Big Dummy model. Surly launched 12 frames of this model so far. Take a sneak peek at all Surly Big Dummy frames models from 2017, by clicking here.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Average price for Long Tail Cargo frames
According to our math, the average price for a trustworthy Long Tail Cargo frame is 941$. However, even if your budget is less than the average, you might still be able to get a top-quality Long Tail Cargo frame. In conclusion, always check frame reviews and their components before making a purchase to make sure you don’t overpay.
Big Dummy Frameset components
Fork material
The fork is made out of steel, which is tougher than carbon in the case of an impact. However, it can add some extra weight to the frame.
Sizes
Surly Big Dummy Frameset frame has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.