Surly Pack Rat Frameset - 2018

Surly Pack Rat Frameset
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Details

The Surly Pack Rat is designed around porteur-style racks and front-loading optimization, with a front cargo-specific design to eliminate steering issues. The fork features internal routing for generator hubs and rear frame dropouts to accommodate multiple drivetrain configurations. It’s an ideal choice for loaded commutes and bike trips with a lighter load, but also rides great when unloaded.

- 100% Surly 4130 Chromoly frame, main triangle is double-butted; 1-1/8" threadless brazed Chromoly fork
- Bosses front and rear for cantilever or linear-pull brakes, rack and fender eyelets at the dropouts, eyelets at the crown, and fully threaded through-blade fork eyelets for a front rack
- Semi-horizontal dropouts with a derailleur hanger for geared or singlespeed drivetrains and/or wheelbase adjustability

Specs

Frame Surly Pack Rat, Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded. ED coated, Cantilever or linear-pull brake studs
Fork Surly Pack Rat, 4130 CroMoly, lugged & brazed. Sloping crown w/threaded eyelets, tapered & butted curved blades w/mid-blade rack eyelets, dual dropout eyelets
Headset 1-1/8" threadless
Axles Rear: Semi-horizontal Gnot-rite spacing (132.5mm)
Bottom Bracket English threaded, 68mm wide
Wheel Compatibility 36cm–50cm: 26-inch
52cm–58cm: 650B
Accessories & Extras Surly stainless seatpost clamp, 30.0mm

* Subject to change without notice.