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Surly Preamble Flat Bar

Surly Preamble Flat Bar
  • Color: Skyrim Blue
Color: Skyrim Blue
Size: Select size
Please select options Unavailable


Steel Commuter and Gravel Bike

Preamble is a hard-boiled steel commuter built for comfort, durability, and buffoonery on pavement and gravel.

Nothing More is Needed. Nothing Less Will Do.
The challenge was thus: Build a serious steel bike and give it only the attributes that matter most. Make it quick and comfortable on pavement, as well as confident and compliant on degraded surfaces. What the Enginerds put forth is Preamble, a pavement and gravel utility worker that proves you don't need to cut corners or clip coupons to make a more affordable steel bike. You just need to keep shit simple.

Preamble can run racks and fenders and carry a couple water bottles. Surly was raised on stealing basic cable, after all. Smooth and efficient on asphalt, Preamble's double-butted main triangle provides a resplendent ride feel and withstands abuse from life's inevitable potholes. Make it your own with flat bars, drop bars, a basket, or bags. On the road to steel euphoria, Preamble is the gateway drug.

Let facts be submitted to a candid world:

- Offered in flat-bar and drop-bar configurations
- Easy T-Shirt sizing to fit nearly every rider (XS, S, M, L, XL)
- Sloping top tubes on XS and Small frames for improved standover and comfort
- To offer the best rider experience for every frame size, XS and S frames get 650b wheelsets while M–XL get 700c
- Custom-cast single-position vertical dropout

[mm] [mm] [mm] [mm] [mm]
Seat Tube Length 410.0mm 505.0mm 565.0mm 605.0mm 645.0mm
Top Tube Length (Effective) 500.0mm 545.0mm 570.0mm 600.0mm 630.0mm
Head Tube Angle 70.0° 71.0° 72.0° 72.0° 72.0°
Seat Tube Angle 74.0° 73.0° 72.5° 72.0° 72.0°
BB Drop 54.0mm 54.0mm 66.0mm 66.0mm 66.0mm
Chainstay Length 420.0mm 420.0mm 435.0mm 435.0mm 435.0mm
Wheelbase 987.0mm 1013.0mm 1030.0mm 1055.0mm 1085.0mm
Standover Height 722.0mm 776.0mm 826.0mm 863.0mm 901.0mm
Head Tube Length 120.0mm 135.0mm 130.0mm 170.0mm 210.0mm
Fork Length 380.0mm 380.0mm 400.0mm 400.0mm 400.0mm
Fork Rake 47.0mm 47.0mm 44.0mm 44.0mm 44.0mm
Stack 517.0mm 535.0mm 567.0mm 605.0mm 643.0mm
Reach 352.0mm 381.0mm 391.0mm 404.0mm 421.0mm
Stem Length 80mm 80mm 90mm 100mm 100mm
Stem Angle
Handlebar Width 380mm 400mm 420mm 440mm 460mm
Crank Length 165mm 170mm 170mm 175mm 175mm
Height 5'4" - 5'8" 5'7" - 6'0" 5'11" - 6'3" 6'2" - 6'7"

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

WARNING: Cycling can be dangerous. Bicycles and bicycle products should be assembled and serviced by a professional mechanic. Never modify your bicycle or accessories. Read and follow all product instructions and warnings including information on the manufacturer’s website. Inspect your bicycle before every use. Always wear a helmet.


Frame Surly Preamble, 100% Chromoly steel tubing, E.D. coated
Fork Surly Preamble, 100% Chromoly steel fork, Disc Only
Rims 21mm, 32h
Hubs Novatec, 6-bolt disc, 32h, QR
Tires Kenda Kwik Tendril 700c x 35mm & Kenda Standard 650b x 1.35
Bottom Bracket JIS 68 x 124.5mm
Crankset Samox, 3-piece, 40t
Shifters microSHIFT Acolyte Xpress
Rear Derailleur microSHIFT RD-M46S
Cassette/Freewheel microSHIFT 11-36t, 9-speed
Chain KMC Z9
Brakes Avid BB7 Mechanical
Rotors SRAM 160mm F/R
Brake Levers microSHIFT R400-L and R-490-R
Handlebars Kalloy, 35mm rise, 9-degree backsweep
Tape/Grips Black Rubber
Stem Kalloy 31.8
Headset VP 1-1/8" Threadless
Seatpost Kalloy 27.2 x 300mm
Saddle Selle Italia X-Base
Pedals Sold separately

* Subject to change without notice.


Part Numbers

Option UPC MPN Store SKU
Skyrim Blue / X-Small 708752415713 BK3641 210000046895
Skyrim Blue / Small 708752415850 BK3642 210000046896
Skyrim Blue / Medium 708752415997 BK3643 210000046897
Skyrim Blue / Large 708752416130 BK3644 210000046898
Skyrim Blue / X-Large 708752416277 BK3645 210000046899