Surly Grappler MTB Frame Kit, 27.5", subterranean homesick blue
The Surly Grappler is built for trail exploration, bikepacking, and drop-bar off-road riding. With stable geometry, massive tire clearance, and loads of mounting options, the Grappler thrives when the path gets rough and the days get long. Whether you're tackling technical singletrack or setting out on an extended bikepacking trip, the Grappler offers a confident, comfortable ride and the flexibility to carry all you need.
Specifications
Frame Material: 100% Surly Chromoly steel, Natch tubing, double-butted main triangle, TIG-welded, ED-coated
Fork: Surly Dinner Fork – Chromoly steel, 420mm axle-to-crown, 50mm offset, triple bottle mounts, rack and fender mounts
Wheel Size: Designed for 27.5" wheels
Tire Clearance: Up to 27.5 x 2.8" with or without fenders
Front Axle: 15 x 110mm thru-axle (included)
Rear Axle: 12 x 145mm Gnot-Boost spacing – compatible with 12 x 142mm or 12 x 148mm hubs (Surly axle included)
Brake Mounts: Front: 51mm IS (203mm max rotor); Rear: Flat mount disc (160mm max rotor)
Bottom Bracket: 73mm BSA threaded
Seatpost Diameter: 30.9mm
Seatpost Clamp: 33.1mm (Surly stainless clamp included)
Headset: Upper: EC34/28.6; Lower: EC34/30
Front Derailleur Clamp: 34.9mm high direct mount top-pull (adapters required for certain hub spacings)
Mounts: Triple bottle mounts on upper and lower downtube; seat tube bottle mounts on sizes S–XL; triple mounts on each fork blade; rack and fender mounts front and rear; internal dropper post routing
Delivery takes approximately 7 days.