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Surly Grappler 27.5" Frameset Sage Green
Surly Grappler 27.5" Frameset
Sage Green
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Surly Grappler 27.5" Frameset 5
Surly Grappler 27.5" Frameset 6

Surly Grappler 27.5" Frameset

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rating(1 customer reviews)
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MSRP: $749.00
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Hold On Tight, Your Build Journey Is About To Begin

The Surly Grappler 27.5" Frameset is your first building block on your way to a killer drop bar trail bike. Go for mountain shred, long-distance touring, or monstercross, there are no wrong answers.


  • Featuring Surly's versatile Gnot-Boost spacing, allowing riders to run 142mm or Boost 148mm rear hubs; thru-axles; stealth dropper post routing; non-suspension corrected
  • Custom dropouts ready to run single-speed or internally geared hub setups
  • Seatstay-mounted bottle bosses, plus three-pack mounts at the top and bottom of the down tube
  • Clearance for 27.5 x 2.8" or 29 x 2.1" tires (with or without fenders)


  • Frame Construction: 100% Surly Chromoly Steel frame, Natch tubing, double-butted main triangle, TIG welded, E.D. coated
  • Fork Construction: 100% Surly Chromoly Steel fork, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
  • Rear Dropout Configuration: Horizontal slotted with optional vertical dumpout
  • Rear Hub Spacing: "Gnot-Boost" 145mm; 12 x 142mm or 12 x 148mm (Surly axle included); 10 x 135mm with Surly 10/12 Adapter Washers (not included)
  • Front Hub Spacing: 15 x 110mm (Surly axle included)
  • Rear Brake: Disc - 51mm I.S. (203mm max rotor)
  • Front Brake: Disc - 51mm I.S. (203mm max rotor)
  • Headtube: ∅34mm
  • Steerer Tube: ∅28.6mm
  • Crown Race: ∅30mm (1-1/8")
  • Stock Headset Upper (S.H.I.S): EC34 or ZS34
  • Stock Headset Lower (S.H.I.S): EC34
  • Seat Collar: 33.1mm
  • Seatpost: ∅30.9mm
  • Front Derailleur (Clamp): High direct mount top-pull (∅34.9mm) 26mm offset adapter (not included) for 142 or 135mm rear hub spacing 29mm offset adapter (not included) for 148mm rear hub spacing
  • Max Chainring (CL): 1x (mtn): 36T, 2x (mtn): 36/26T, 1x (Boost): 38T, 2x (Boost): 39/32T
  • Bottom Bracket: 73mm BSA, threaded
  • Tire Clearance Frame: 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)
  • Tire Clearance Fork: 27.5 x 2.8" (27.5 x 2.6" with fender), 29 x 2.2" (29 x 2.0" with fender)
  • Rigid Fork Spec: 420 x 50mm
  • Max Suspension Fork Length: 420mm
  • Bottle Mounts Frame: 3-pack mounts on upper and lower downtube; seat tube bottle mounts on frame sizes S–XL
  • Bottle Mounts Fork: 3-pack mounts on each fork blade
  • Rack Mounts Frame: Yes (upper and lower threaded)
  • Rack Mounts Fork: Yes (upper and mid-blade threaded)
  • Fender Mounts Frame: Yes
  • Fender Mounts Fork: Yes
  • Internal dropper post routing

  • Returns: This product is overweight and/or oversize and does not qualify for our fixed rate return shipping label. If you need to return this item, we can offer a return shipping label at our discounted shipping rates, or you can arrange for your own return shipping.

    B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    No International Shipping. The manufacturer of this product does not allow us to ship outside the United States and U.S. Territories except to US diplomatic and military base addresses (APO/FPO).

    Signature will be required when taking delivery of this product.


XS - Sage Green

Mfg PartNum: FM1160 

Small - Sage Green

Mfg PartNum: FM1161 

Medium - Sage Green

Mfg PartNum: FM1162 

Large - Sage Green

Mfg PartNum: FM1163 

XL - Sage Green

Mfg PartNum: FM1164 


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Great Ride
by Anonymous
Cycling Enthusiast

I enjoyed building the Ghost Grappler frame, it gave me the opportunity to build a bike the way I wanted it. I REALLY like this bike as it and handles bike loads with ease and makes a great bikepacking bike.

Reviewed 9/21/2023
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