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Surly Preamble 2023

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Geometry

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Add to Compare
Reach
Stack
Top Tube (actual)
Seat Tube C-T
Head Angle
Seat Angle
Head Tube
Chainstay
Wheelbase
Standover
BB Drop
Fork Rake / Offset
Fork Length (A2C)
Handlebar Width
Stem Length
Stem Angle
Crank Length
Rider Height
Data Source

	XS	SM	MD	LG	XL
Add to Compare
Reach	283	439	441	326	456
Stack	549	429	596	717	691
Top Tube (actual)	448	526	513	543	587
Seat Tube C-T	355	436	569	692	705
Head Angle	59	84	83	69	78
Seat Angle	84	77	78	60	59
Head Tube	133	138	115	144	174
Chainstay	343	375	365	447	382
Wheelbase	1098	1212	1190	975	869
Standover	781	723	916	1013	755
BB Drop	46	52	60	61	77
Fork Rake / Offset	41	45	36	45	47
Fork Length (A2C)	345	311	320	375	419
Handlebar Width	561	792	668	839	632
Stem Length	87	99	94	91	101
Stem Angle	6	7	7	5	6
Crank Length	166	185	136	169	177
Rider Height	1524–1651	1625.6–1727.2	1701.8–1828.8	1803.4–1905	1879.6–2006.6
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

Measurements are in millimeters and degrees.

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Image showing geometry measurements

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