Velopedia Bicycle Archive

Surly Preamble Flat Bar - Hi-Viz Black

City/Commuter bicycle from the Velopedia specification archive.

Model year: Not published by manufacturer
Original MSRP: $1,099.00
Sizes: X-Small; Small; Medium; Large; X-Large
Colors: Hi-Viz Black
Weight: 27 lb 7 oz for Medium
Geometry: 5 manufacturer sizes
Archive ID: 900000435
Catalog verified: August 13, 2026

Current market

0 close matches

Observed used market No listingsNo close used matches in the latest snapshot.

New asking No listingsNo close matches in this condition.

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Velopedia analysis

What the specifications mean

Derived from the archived manufacturer record

The calculated 418% cassette spread is a clearer measure of gearing breadth than the component-group name by itself. The 27.5-inch/650B label corresponds to a 584 mm bead-seat diameter, which is the dependable reference for tire and rim compatibility. For the steel frame, paint damage and moisture entry matter because corrosion can begin at scratches, vent holes or internal surfaces.

Gearing 418% cassette range Calculated from the published 11–46-tooth sprocket span.

Wheel standard 650B · 584 mm The ISO bead-seat diameter is the dependable tire and rim compatibility reference.

Frame inspection Steel Paint damage and moisture entry matter because corrosion can start externally or inside the frame.

Bottom bracket Threaded interface Shell width, thread standard and crank-spindle interface still require confirmation.

Used-bike inspection

If you’re buying this bike used

Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.

FrameCheck paint chips, vent holes and the inside of the seat tube for corrosion. Also look for dents, bent tubes and cracking around welded or brazed joints.
DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 9-speed system.
Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.
BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.
Bottom bracketTurn the cranks slowly, feel for rough bearings and check for side-to-side play. Creaking under load deserves investigation but does not identify the source by itself.

This interpretation explains relationships in the published data. Confirm exact standards and dimensions before ordering parts or performing service.

Frameset

Frame Construction	Surly Preamble - 100% Surly Chromoly steel, Natch tubing, double-butted main triangle, TIG welded, E.D. coated
Frame Material	Steel
Fork	Surly Preamble - 100% Surly Chromoly steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Fork Material	Steel

Drivetrain

Shifters	Shimano Cues U4000
Front Derailleur	N/A
Rear Derailleur	Shimano Cues U4000 GS
Crankset	Shimano Cues U4000, 40T
Bottom Bracket	Shimano UN101, 68mm BSA
Cassette	Shimano Cues LG400, 11-46t, 9spd
Chain	Shimano LG500

Brakes

Brakes	Brake Calipers: Tektro HD-M275 OR Tektro HD-M3120, 2 Piston; Brake Levers: Tektro HD-M275 OR Tektro HD-M3120; Rotors: Tektro 160/160mm, Center Lock

Cockpit & Contact Points

Headset	FSA Orbit MX
Handlebar	Kalloy AL, 9 degree backsweep, 35mm rise
Stem	Kalloy AL 31.8mm
Saddle	WTB Volt Wide
Seatpost	Kalloy 27.2 x 300mm: 0 offset (XS-MD), 12mm offset (LG-XL)

Wheels & Tires

Hubs	(F) Shimano MT200 QR x 100mm, Center Lock, 32h / (R) Shimano QC400 QR x 141mm, Center Lock, 32h
Rims	Shining DB-21, 32h
Spokes	14G Black
Front Tire	-SM), Tan Sidewalls
Rear Tire	Teravail Washburn 650b x 35, 30tpi, Wire Bead (XS-SM), Tan Sidewalls
Wheel Size	650B

Size-specific frame data

Geometry

5 sizes · 16 measurements

Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.

Measurement	X-Small	Small	Medium	Large	X-Large
Seat tube	410 mm	505 mm	565 mm	605 mm	645 mm
Effective top tube	500 mm	545 mm	570 mm	600 mm	630 mm
Head tube	120 mm	135 mm	130 mm	170 mm	210 mm
Head-tube angle	70°	71°	72°	72°	72°
Seat-tube angle	74°	73°	72.5°	72°	72°
Chainstay / rear center	420 mm	420 mm	435 mm	435 mm	435 mm
Wheelbase	987 mm	1013 mm	1030 mm	1055 mm	1085 mm
Bottom-bracket drop	54 mm	54 mm	66 mm	66 mm	66 mm
Reach	352 mm	381 mm	391 mm	404 mm	421 mm
Stack	517 mm	535 mm	567 mm	605 mm	643 mm
Standover height	722 mm	776 mm	826 mm	863 mm	901 mm
Fork offset / rake	47 mm	47 mm	44 mm	44 mm	44 mm
Fork length / axle-to-crown	380 mm	380 mm	400 mm	400 mm	400 mm
Crank length	170 mm	170 mm	170 mm	175 mm	175 mm
Stem length	80 mm	90 mm	90 mm	100 mm	100 mm
Handlebar width	700 mm	700 mm	720 mm	720 mm	720 mm

Geometry source: Manufacturer HTML geometry table ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.

Gallery

Live marketplace data

Current Market Snapshot

Updated Aug 13, 2026 · refreshing

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