Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900000475
| Model year | Model year not published |
|---|---|
| Brand | Surly |
| Model | Big Dummy - Twilight Zone |
| Bicycle type | Cargo |
| Archive ID | 900000475 |
| Original MSRP | $2,699.00 |
| Colors | Twilight Zone |
| Sizes | Small; Medium; Large |
| Weight | 45 lb 14 oz with rack and bags (MD) |
| Frame construction | 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded |
|---|---|
| Frame material | Steel |
| Fork | Surly Cocktail Fork - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated |
| Fork material | Steel |
| Shifters | Shimano CUES U4000 |
|---|---|
| Front derailleur | N/A |
| Rear derailleur | Shimano CUES U4000 GS |
| Crankset | Shimano CUES U6000, 32t |
| Bottom bracket | Shimano MT501, BSA |
| Cassette | Shimano CUES LG300, 11-46t, 9-speed |
| Chain | KMC XGlide EPT Anti-Rust |
| Brakes | Brake Calipers: Tektro HD-M3120, 2 piston; Brake Levers: Tektro HD-M3120; Rotors: Tektro (6-bolt, 203mm front and rear) |
|---|
| Headset | FSA Orbit MX |
|---|---|
| Handlebar | Surly Terminal Bar |
| Stem | Kalloy AS007N |
| Saddle | WTB Rocket Fusion Medium |
| Seatpost | Kalloy SP-DC2 |
| Hubs | (F) Novatec QR x 100mm / (R) Novatec QR x 135mm |
|---|---|
| Rims | WTB ST Tough i30mm TCS 2.0, 26", 36h |
| Spokes | DT Swiss Champion |
| Front tire | Surly ExtraTerrestrial 26 x 2.5", 60 TPI, tubeless-ready |
| Rear tire | Surly ExtraTerrestrial 26 x 2.5", 60 TPI, tubeless-ready |
| Wheel size | 26" |
| Seat tube | 406 mm |
|---|---|
| Effective top tube | 590 mm |
| Head tube | 150 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 72.5° |
| Chainstay / rear center | 821 mm |
| Wheelbase | 1469 mm |
| Bottom-bracket drop | 40 mm |
| Bottom-bracket height | 299 mm |
| Reach | 410 mm |
| Stack | 571 mm |
| Standover height | 725 mm |
| Fork offset / rake | 43 mm |
| Fork length / axle-to-crown | 418 mm |
| Crank length | 165 mm |
| Stem length | 70 mm |
| Handlebar width | 718 mm |
| Seat tube | 432 mm |
|---|---|
| Effective top tube | 620 mm |
| Head tube | 180 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 72.5° |
| Chainstay / rear center | 821 mm |
| Wheelbase | 1500 mm |
| Bottom-bracket drop | 40 mm |
| Bottom-bracket height | 299 mm |
| Reach | 431 mm |
| Stack | 599 mm |
| Standover height | 773 mm |
| Fork offset / rake | 43 mm |
| Fork length / axle-to-crown | 418 mm |
| Crank length | 170 mm |
| Stem length | 70 mm |
| Handlebar width | 735 mm |
| Seat tube | 508 mm |
|---|---|
| Effective top tube | 645 mm |
| Head tube | 210 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 72.5° |
| Chainstay / rear center | 821 mm |
| Wheelbase | 1527 mm |
| Bottom-bracket drop | 40 mm |
| Bottom-bracket height | 299 mm |
| Reach | 447 mm |
| Stack | 627 mm |
| Standover height | 823 mm |
| Fork offset / rake | 43 mm |
| Fork length / axle-to-crown | 418 mm |
| Crank length | 170 mm |
| Stem length | 80 mm |
| Handlebar width | 735 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 7, 2026.