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) 666 661 719 743
Top Tube (actual) 441 621 520 652
Seat Tube C-T 334 417 433 579
Head Angle 80 72 74 75
Seat Angle 69 69 72 84
Chainstay 953 901 670 672
Wheelbase 1206 1509 1535 1702
Standover 847 652 731 737
BB Drop 37 37 37 42
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.