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Off-road enthusiasts have been Frankensteining drop bars onto trail bikes for decades, so Surly designed the Grappler with more precision. Engineered around a stable drop-bar hand position, its trail-ready geo provides a spirited ride on mixed terrain.
100% Surly Chromoly Steel frame, Natch tubing, double-butted main triangle, TIG welded, E.D. coated
100% Surly Chromoly Steel fork, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Horizontal slotted with optional vertical dumpout
"Gnot-Boost" 145mm; 12 x 142mm or 12 x 148mm (Surly axle included); 10 x 135mm with Surly 10/12 Adapter Washers (not included)
15 x 110mm (Surly axle included)
Disc - 51mm I.S. (203mm max rotor)
Disc - 51mm I.S. (203mm max rotor)
Ø34mm
Ø28.6mm
Ø30mm (1-1/8")
EC34 or ZS34
EC34
33.1mm
Ø30.9mm
High direct mount top-pull (Ø34.9mm) 26mm offset adapter (not included) for 142 or 135mm rear hub spacing 29mm offset adapter (not included) for 148mm rear hub spacing
1x (mtn): 36T
2x (mtn): 36/26T
1x (Boost): 38T
2x (Boost): 39/32T
73mm BSA, threaded
27.5 x 3” (27.5 x 2.8” with fender)
29 x 2.1–2.5” with or without fender (2.1” clearance with wheel all the way forward; 2.5” clearance with wheel all the way back in dropout)
27.5 x 2.8” (27.5 x 2.6” with fender)
29 x 2.2” (29 x 2.0” with fender)
420 x 50mm
N/A
420mm
3-pack mounts on upper and lower downtube; seat tube bottle mounts on frame sizes S–XL
3-pack mounts on each fork blade
Yes (upper and lower threaded)
Yes (upper and mid-blade threaded)
Yes
Yes
Internal dropper post routing
[1] Different tire and rim combinations will result in different clearances.
[2] Depending on drivetrain configuration, tire clearance may be limited by the chain and not the frame.
[3] Listed chainring clearance is worst case scenario. Clearances vary widely depending on components and configurations.
