Tubing
Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded cargo specific engineered for stiffness and durability
Rear Dropouts
Vertical, 135mm spaced with fender eyelets; Rohloff compliant
Brake compatibility
51mm disc mounts and removable cantilever pivots
Braze-ons
Quad water bottle mounts, Surly Trip Guides for continuous brake/shift housing or brake hydraulic line (toptube and seatstay routing), fender eyelets
Seatpost diameter
27.2mm
Seatpost clamp diameter
30.0mm
Headset/Steerer Tube
1-1/8˝ threadless
Front derailleur clamp diameter
28.6mm (1-1/8˝) clamp diameter, top-pull style
Bottom bracket shell
68mm wide, threaded English 1.37˝ x 24t
Chainring clearance
No frame limitations. Use whatever you want
Tire clearance
26 x 2.5˝ with fenders
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
Color
Blacktacular and Dark Side of the Maroon
Cargo Weight Limit
400 lb combined rider and cargo. Max cargo 200 lb