Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Steel -
Wheels 26" -
Groupset GX, Deore -
Suspension Rigid -
Brakes Mechanical Disc
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 Big Dummy, Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded cargo specific engineered for stiffness.
Suspension Fork
Surly Big Dummy, TIG-welded 4130 CroMoly, tapered and butted straight bladewith single fender eyelet on the dropout, 1-1/8? x 260mm threadless steerer, 51mm IS disc mount, removable cantilever pivots, line/housing guides
Drivetrain
Rear Derailleur
SRAM GX, 10-speed TYPE 2.1
Front Derailleur
Shimano Deore, FD-T611-3
Shift Levers
X7 Trigger
Cassette
Microshift CS-H100 10-speed, 11-36t
Crank
FC Firex C3.1
Bottom Bracket
68mm wide, threaded English 1.37? x 24t
Chain
KMC X10
Wheels
Front Hub
Shimano Deore M525 Disc, 36h. 100mm, black w/QR
Rear Hub
Shimano Deore M525 Disc, 36h. 135mm, black w/QR
Rims
Alex Adventurer
Tires
Kenda 26x2.3" Kiniption, 60tpi
Brakes
Brakes
Avid BB7, Centerline 180mm rotors front & rear
Brake Levers
Avid FR-5
Cockpit
Stem
H.L. 31.8mm
Handlebar
Premetec
Headset
Cane Creek 40
Seat
Saddle
WTB Volt Sport
Seatpost
Kalloy SP-342
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 | 64 mm | 64 mm | 64 mm | 64 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 | 26" | 26" | 26" | 26" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Big Dummy belongs to the Surly Big Dummy model. Surly launched 12 bikes of this model so far. Take a sneak peek at all Surly Big Dummy bikes models from 2018, by clicking here.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Long Tail Cargo bikes
If you want an acceptable Long Tail Cargo bike you should know that the average price is 1276$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Long Tail Cargo bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Big Dummy components
Fork material
Big Dummy has a steel fork, which is tougher than carbon in the case of an impact. However, it can add some extra weight to the bike.
Wheels
When leaving the production line, the Big Dummy model has 26″ aluminum wheels. The 26″ wheels are lighter than the 27.5 or 29″ wheels. However, they provide less traction than 29″ wheels do.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Mechanical Disc brakes. These brakes are also very popular, and a lot cheaper than hydraulic disk brakes. However, they don’t have the stopping power of hydraulic brakes.
Sizes
Surly Big Dummy bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, you can easily find one that suits you.