Bike details
Overview
Key information split into simple groups.
Frame summary
-
Category -
Frame Steel -
Brakes Mechanical Disc
Sizing
Recommended size guide.
SM
160cm - 177cm
MD
167cm - 182cm
LG
177cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
100% Surly Chromoly steel, Natch tubing, double-butted main triangle, TIG welded
Suspension Fork
100% Surly Chromoly steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Drivetrain
Bottom Bracket
73mm BSA threaded (1.37" x 24TPI)
Wheels
Tires
26 x 2.3"
Brakes
Brakes
51mm IS (160-203mm)
Seat
Seatpost
Ø30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.393 mm | 1.39 mm | 1.403 mm |
| Front Center | 650 | 682 mm | 708 mm |
| Rake | 43 mm | 43 mm | 43 mm |
| Trail | 81 mm | 81 mm | 81 mm |
| Stack | 571.1 mm | 599.3 mm | 627.4 mm |
| Reach | 409.9 mm | 431.1 mm | 447.2 mm |
| Top Tube Length | 590 mm | 620 mm | 645 mm |
| Seat Tube Angle | 72.5 ° | 72.5 ° | 72.5 ° |
| Seat Tube Length | 406 mm | 432 mm | 508 mm |
| Head Tube Angle | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 150 mm | 180 mm | 210 mm |
| Chainstay Length | 821 mm | 821 mm | 821 mm |
| Wheelbase | 1469 mm | 1500 mm | 1526 mm |
| Bottom Bracket Drop | 40 mm | 40 mm | 40 mm |
| Standover Height | 725 mm | 773 mm | 823 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 160 cm | 167 cm | 177 cm |
| Rider Max Height | 177 cm | 182 cm | 195 cm |