Surly Grappler Frame Set, Purple

is the perfect choice for anyone looking for a robust and versatile bike for bikepacking, singletrack and fire roads.

Sizes: XS, L (Erl) – last one

Compatible headset: Cane Creek

Ritchey

The Surly Grappler frameset is a specially designed trail bike for drop-bar enthusiasts – perfect for bikepacking, singletrack and fire roads.

Inspired by decades of creative customisation, the Grappler offers stable geometry and a comfortable handlebar position for challenging terrain and long tours.

Specification:

Frame & Fork

• Frame material: 100 % Surly 4130 chromoly steel, Natch tubing

– Double-butted main frame

– TIG-welded

– Electrodeposition coating (E.D. Coating) for corrosion protection

• Fork material: 100 % Surly 4130 chromoly steel, Natch tubing

– Double-butted, tapered fork legs

– TIG-welded, E.D. coated

– Rigid fork, length: 420 mm

– Fork offset: 50 mm

– Axle-to-crown: 420 mm

🧩 Compatibility & Dimensions

• Designed for wheel size: 27.5 x 2.5"

• Alternative wheel size: 29 x 2.2"

• Tyre clearance:

– 27.5 x 2.8" with mudguards

– 27.5 x 3.0" without mudguards

– 29 x 2.1" with mudguards (front)

– 29 x 2.5" with mudguards (rear)

🔧 Axles & mounting dimensions

• Rear triangle: Gnot-Boost 145 mm

– 12 x 142 mm or 12 x 148 mm (Surly axle included)

– 10 x 135 mm with adapter (not included)

• Front axle: 15 x 110 mm (Surly axle included)

• Rear axle: 12 x 148 mm (Surly axle included)

⚙️ Component compatibility

• Head tube:

– Top: EC34/28.6

– Bottom: EC34/30

– Steerer tube: Ø28.6 mm

– Crown: Ø30 mm (1-1/8")

– Stem clamp: Ø28.6 mm

• Seatpost: Ø30.9 mm (dropper-compatible)

• Seat clamp: Ø33.1 mm

• Front derailleur: Ø34.9 mm High Direct Mount, top-pull

– Offset adapter required (not included)

• Bottom bracket: 73 mm BSA, threaded

• Chainring sizes (max.):

– 1x MTB: 36T

– 2x MTB: 36T/26T

– 1x Boost: 38T

– 2x Boost: 39/32T

🧳 Mounting points

• Bottle cage:

– 3-pack mounts at the top and bottom of the down tube

– Seat tube mounts (sizes S–XL)

• Fork mounts:

– 3-pack mounts on each fork leg

– Threaded eyelets for luggage racks at the top and bottom

• Mudguard mounts: available at the front and rear