Bike details
Overview
Key information split into simple groups.
Frame summary
-
Category -
Frame Steel -
Wheels 26" -
Suspension Rigid
Sizing
Recommended size guide.
SM
158cm - 170cm
MD
168cm - 179cm
LG
176cm - 187cm
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
Surly Wednesday, Tapered straight blade 4130 CroMoly. 468mm axle to crown, 47mm offset. 51mm I.S. front standard disc mount, 150mm x 15mm thru-axle dropouts (axle included), 100mm suspension fork compatible
Drivetrain
Bottom Bracket
100mm wide, threaded English (1.37? x 24t)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.38 mm | 1.38 mm | 1.39 mm |
| Front Center | 661 mm | 692 mm | 719 mm |
| Rake | 47 mm | 47 mm | 47 mm |
| Trail | 72 mm | 73 mm | 72 mm |
| Stack | 576 mm | 604 mm | 632 mm |
| Reach | 418 mm | 439 mm | 455 mm |
| Top Tube Length | 597 mm | 627 mm | 652 mm |
| Seat Tube Angle | 72.5 ° | 72.5 ° | 72.5 ° |
| Seat Tube Length | 356 mm | 432 mm | 508 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 90 mm | 120 mm | 150 mm |
| Chainstay Length | 882 mm | 882 mm | 882 mm |
| Wheelbase | 1539 mm | 1570 mm | 1597 mm |
| Bottom Bracket Drop | 55 mm | 55 mm | 55 mm |
| Standover Height | 747 mm | 797 mm | 847 mm |
| Wheels | 26" | 26" | 26" |
| Rider Min Height | 158 cm | 168 cm | 176 cm |
| Rider Max Height | 170 cm | 179 cm | 187 cm |
About this model
Big Fat Dummy Frameset completes the Surly Big Fat model. 8 frames variations carry this model name so far. Check out the entire range from 2018 of this model, by clicking this link.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Long Tail Cargo frames
Our math shows that the average cost of a dependable Long Tail Cargo frame is 941$. However, even though the average price of a Long Tail Cargo frame is lower, you might still be able to get a top-quality frame. To make sure you don’t pay a higher amount than normal for your frame, always do some components analysis and read reviews.
Big Fat Dummy Frameset components
Fork material
The fork on this frame is made out of steel, so, it can add some extra weight to your bike. However, steel is a pretty tough and durable material.
Sizes
Big Fat Dummy Frameset comes in 3 sizes, that range from 158 cm – 187 cm (5.18 ft – 6.14 ft). In conclusion, finding one for you shouldn’t be a problem.