Velopedia Bicycle Archive

Surly Preamble Frameset - Skyrim Blue

City/Commuter bicycle from the Velopedia specification archive.

Model year: Not published by manufacturer
Original MSRP: $549.00
Sizes: X-Small; Small; Medium; Large; X-Large
Colors: Skyrim Blue
Geometry: 5 manufacturer sizes
Archive ID: 900000437
Catalog verified: August 13, 2026

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Frameset

Frame Construction	Surly Preamble, 100% Chromoly steel tubing, E.D. coated
Frame Material	Steel
Fork	Surly Preamble, 100% Chromoly steel fork, Disc Only
Fork Material	Steel

Size-specific frame data

Geometry

5 sizes · 13 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

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