Surly Big Dummy 2017

Please login now to unscramble the numbers

We ask that you login after viewing so many bikes, to protect our data from thieving robots.

The data shown below is now total nonsense.

You need to login to continue.

It's totally free - no password - no spam - no catch.

Geometry

Select two bikes to compare.
Any bike, any page.

  Small (16) Medium (18) Large (20) xLarge (22)
Compare
Top Tube (effective) 562 477 661 555
Top Tube (actual) 494 548 594 681
Seat Tube C-T 423 530 563 665
Head Angle 60 78 65 69
Seat Angle 58 66 63 60
Chainstay 866 950 971 677
Wheelbase 1419 1548 1644 1393
Standover 834 744 781 978
BB Drop 41 33 43 33
Data Source Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees, unless otherwise noted.

Problem? Edit Bike - Edit Geometry

If you like the site, can we ask a favor?

Click now, buy soon, and we'll get a few cents.

Jenson USA - Competitive Cyclist

Thank you! Bob & Dave

Like this project? Subscribe for occasional emails about new things. No Spam. Promise.