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Surly Big Dummy 2023

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Geometry

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	SM	MD	LG
Add to Compare
Reach	405	354	479
Stack	616	553	662
Top Tube (effective)	589	546	747
Seat Tube C-T	452	495	572
Head Angle	61	74	78
Seat Angle	81	73	84
Head Tube	124	195	187
Chainstay	735	884	923
Wheelbase	1192	1551	1324
Standover	584	777	871
BB Drop	37	38	44
BB Height	279	300	311
Fork Rake / Offset	34	38	49
Fork Length (A2C)	494	414	497
Handlebar Width	795	730	809
Stem Length	80	68	65
Stem Angle	7	7	5
Crank Length	153	150	184
Rider Height	1600–1778	1676–1829	1778–1956
Data Source	Manufacturer	Manufacturer	Manufacturer

Measurements are in millimeters and degrees.

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