Surly Pack Rat Frameset - 2019

Surly Pack Rat Frameset
  • Color: Gray Haze
  • Color: Hi-Viz Black
  • Color: Hi-Viz Black
  • Color: Hi-Viz Black
  • Color: Hi-Viz Black
  • Color: Hi-Viz Black
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This item is not permitted to be shipped, however it can be purchased online and picked up at your convenience.


The 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.

- 26-inch Wheel Size has room for tires up to 26 x 2.0, 650B Wheel Size has room for tire up to 650b x 48mm
- 100% Surly 4130 Chromoly frame, main triangle is double-butted; 1-1/8-inch 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


Frame Surly Pack Rat, Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded. ED coated
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
Bottom Bracket 68mm wide, standard English threaded 1.37" x 24t
Wheel Compatibility 26, 650B
Front Derailleur 28.6mm
Brake Compatibility Cantilever or linear-pull brake studs
Seat Post 27.2mm

Part Numbers

Option UPC MPN Store SKU
Gray Haze / 38cm / 26-inch 708752258785 FM2588 SUR34179993E
Gray Haze / 42cm / 26-inch 708752258808 FM2589 SUR34260989E
Gray Haze / 46cm / 26-inch 708752258822 FM2590 SUR34354769E
Gray Haze / 50cm / 26-inch 708752258846 FM2591 SUR34920080E
Gray Haze / 52cm / 650B 708752258945 FM2596 SUR36230808E
Gray Haze / 54cm / 650B 708752258969 FM2597 SUR36628735E
Gray Haze / 56cm / 650B 708752258983 FM2598 SUR36921840E
Hi-Viz Black / 38cm / 26-inch 708752258709 FM2584 SUR36614683K
Hi-Viz Black / 42cm / 26-inch 708752258723 FM2585 SUR36855140K
Hi-Viz Black / 46cm / 26-inch 708752258747 FM2586 SUR36369339K
Hi-Viz Black / 50cm / 26-inch 708752258761 FM2587 SUR36561102K


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