Surly Big Dummy 2017


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Geometry

  Small (16) Medium (18) Large (20) xLarge (22)
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Top Tube (effective) 665 673 497 614
Top Tube (actual) 613 476 652 711
Seat Tube C-T 385 484 440 523
Head Angle 84 72 71 77
Seat Angle 73 70 70 59
Chainstay 836 976 666 880
Wheelbase 1687 1174 1661 1622
Standover 609 637 671 970
BB Drop 45 33 37 36
Data Source Manufacturer Manufacturer Manufacturer Manufacturer

Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.

Image showing geometry measurements

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