Surly Pugsley frameset

Pugsley, the frame that brought fat bikes to the masses, has shown people different ways to ride mountain bikes. It can be ridden places where many other ‘all terrain’ bicycles simply dare not tread: over and through sand, mud, rocks or snow…wherever the hell your legs and brain take you. Really.

The Pugsley frame uses 135mm-spaced, horizontal, rear-loading dropouts with a derailleur hanger, so you can set it up with derailleurs, an internally-geared hub, or as a single-speed with a freewheel or fixed-gear cog. The choice is yours. Dropout spacing is the same 135mm standard, front and rear, with 51mm I.S. disc tabs on the frame and fork. The included non-offset fork requires a standard front disc adapter, while the offset fork utilizes a rear disc adapter. Using an offset fork allows you to swap front and rear wheels. This gives you the option of changing your gear ratio, on the fly, when running a single-speed drivetrain. And it provides a potential back-up mechanism to get you out of a drivetrain FUBAR situation.

Like the rest of our frame offerings, the Pugsley is constructed from our size-specific ‘Natch 4130 CroMoly tubing. We apply an E.D. coating, prior to powdercoating, to add durability to the finish and give the frame an added level of internal protection. However, we still recommend treating our frames with some additional protectant such as Framesaver™ or Boeshield.®

The Pugsley frame is compatible with many standard mountain bike components, which makes finding parts a snap. It uses a regular-ass 1-1/8˝ headtube, 100mm English bottom bracket, and a 27.2mm seatpost. And it fits up to 3.8˝ tires on 82mm rims. For the best chain/tire clearance, while using 82mm rims, we recommend either a Surly O.D. 2x crank or a 1x system. Other brands’ 2x cranks will work, but may cause some chain-on-tire rub in the easiest gear combo.

Whether you want to ride groomed trails, navigate landscapes with no trails whatsoever, load up your bike with gear and camp off
the beaten path, or just power over anything foolish enough to clog your path, Pugsley will serve you well.