Surly Wednesday frameset Key Lime Sneeze

...is a genuine all-round fat bike frameset that feels at home on technical trails as well as off-road tours. Ideal for snow, sand, trails and bikepacking adventures.

Size: XS,S,M,L,XL

Colour: Key Lime Sneeze

Current delivery date: November 2026 (pre-order is open advance payment 30%)

Surly Wednesday frameset - Versatile fatbike for trail & tour

The Surly Wednesday is a robust fat bike frameset made of chromoly steel with modern geometry and generous tyre clearance up to 26 x 4.6". It offers thru axles, dropper compatibility and numerous mounting points for bottles, pannier racks and accessories - ideal for snow, sand, trails and bikepacking adventures.
Specification:

Design for wheel/tyre sizes:

- 26 × 3,8"

Maximum outer tyre diameter:

- 26 × 4.6" (rear axle)

- 26 × 3.8" (front axle)

- 27.5 × 4.0" (rear axle)

- 29 × 3,0"

- Fork:

- 26 × 5,25"

- 29 × 3,0"

(Note: Different tyre and rim combinations result in different clearances. Depending on the drivetrain configuration, the tyre clearance may be limited by the chain and not by the frame)

Frame construction:

- 4130 chromoly steel, Natch tubes

- Double butted main frame

- Funnelled flared tubes

- TIG welded

- ED coated

Fork construction:

- 4130 chromoly steel, Natch tubes

- Double butted, tapered fork legs

- TIG-welded

- ED-coated

Suspension fork (maximum length):

- 511 × 51 mm (Fatbike 100 mm travel)

(length at full extension, not when compressed)

Rigid fork (length):

- 468 mm

Fork offset (offset):

- 47 mm

Axle to fork crown:

- 468 mm

Rear mounting width:

- 12 × 177 mm (Surly axle included)

Front mounting width:

- 15 × 150 mm (Surly axle included)

Front brake (rotor):

- Disc brake - 51 mm I.S.

- Maximum rotor: 203 mm

Headset:

- Top: ZS44/28.6

- Bottom: EC44/30

Steerer tube:

- Ø28.6 mm (1-1/8")

Fork crown (Crown Race):

- Ø30 mm (1-1/8")

Stem clamp:

- Ø28.6 mm (1-1/8")

Seatpost:

- Ø30.9 mm

- Compatible with Vario seatposts: Yes

Seatpost clamp:

- Ø33.1 mm

Front derailleur clamp:

- Ø34.9 mm

Front derailleur type:

- Direct mount top-pull (High Direct Mount, Top-Pull)

Bottom bracket:

- 100 mm BSA thread (1.37" × 24 TPI)

Crankset (maximum chainring size):

- 1-speed (Fatbike 170): 34 teeth

- 2x (Fatbike 170): 26/38 teeth

- 2x (Surly OD): 22/36 teeth

(The specified chainring clearance is a worst-case scenario. Actual clearance is highly dependent on components and configurations)

Bottle cages:

- 2 standard mounts (size XS-M)

- 3 standard mounts (size L-XXL)

Fork mounts:

- 2 three-pack mounts

- Pannier rack mounts (top, bottom and centre of the fork leg)

Front mudguard mounts:

- Not available

Rear mudguard mounts:- Yes

Technical highlights:

- Tyre clearance: Up to 26 x 4.6" rear, 27.5 x 4.0" or 29 x 3.0" - ideal for snow, sand and trails

- Frame material: 4130 chromoly steel, double butted, ED-coated

- Fork: Rigid chromoly fork with three-pack and pannier rack mounting

- Suspension fork compatible: up to 100 mm travel (511 mm length)

- Axles: 12 x 177 mm rear, 15 x 150 mm front (thru axles included)

- Head tube: ZS44/EC44 - compatible with modern headsets

- Bottom bracket: 100 mm BSA thread - suitable for fatbike cranks

- Seatpost: Ø30.9 mm, dropper compatible

- Mounting points: 2-3 bottle cages depending on frame size, rear mudguard, pannier rack and accessory mounts