Surly Big Dummy 2026

...is a long-tail cargo bike frameset, built for maximum stability and durability. With its robust steel tubes, large tyres and well-designed components, it is ideal for heavy loads and everyday use.

Current delivery dates: September 2026

Colour:twilight zone (a black-grey shade with a subtle blue-green/petrol undertone)

The Surly Big Dummy 2026 is now available for pre-order.

Pre-orders are now open! Secure your place now – only a few left.

Specification: as per production (minor changes are possible)

Frame & Fork

• Frame: 100% Surly chromoly steel, Natch Tubing, double-butted main triangle, TIG-welded

• Colour: Bruised Ego Purple

• Fork: 100% Surly chromoly steel, Natch Tubing, double-butted, tapered fork legs, TIG-welded, E.D. coated

⚙️ Components

• Headset: Cane Creek 40

• Seatpost clamp: Surly stainless steel, Ø33.1 mm

• Seatpost: Kalloy Ø30.9 mm, length 350 mm

• Stem: Kalloy Ø31.8 mm

• Grips: Velo Black

• Saddle: Selle Italia X-Base

• Handlebars: Surly Terminal Bar

🔧 Drivetrain

• Front derailleur: N/A (no front derailleur, 1x setup)

• Rear derailleur: microSHIFT Advent 1x9, RD-M6195M

• Cassette: microSHIFT Advent 11–46 teeth, 9-speed

• Chain: KMC X10 (10-speed)

• Crankset: Race Face, 32 teeth

• Shift lever: microSHIFT Advent Trail 1x9, SL-M9195-R

🛑 Brakes

• Brake levers: Avid FR-5

• Calipers: Avid BB7 S MTN (mechanical disc brakes)

• Bottom bracket: Race Face

• Brake discs: SRAM CenterLine 200 mm (front) / 180 mm (rear)

🛞 Wheels

• Front tyre: Surly ExtraTerrestrial 26 x 2.5", tubeless, foldable, Black/Slate, 60 tpi (inner tubes fitted)

• Rear tyre: Surly ExtraTerrestrial 26 x 2.5", tubeless, foldable, Black/Slate, 60 tpi (inner tubes fitted)

• Front wheel hub: Novatec QR x 100 mm, 36-hole

• Rear wheel hub: Novatec QR x 135 mm, 36-hole

• Spokes: DT Swiss 2.0 stainless steel

• Rims: OE, 38 mm, 36-hole