Like most sites, this site uses cookies to make it work. By continuing to use the site you accept our cookie policy. You won’t be shown this message again :)

You are using a browser that does not support javascript. Some aspects of this site may not work as intended.

We've got 11,000+ bikes in the comparison database. Find another?

Surly Big Dummy 2017

Prove Humanity: Please click here to start.

You should not have to do this more than once.
If you continue to see this message, please email hello@[the site's address] for support.

Geometry

To view geometry data you must use a web browser that supports JavaScript. See: browser-update.org

	Small (16)	Medium (18)	Large (20)	xLarge (22)
Add to Compare
Top Tube (effective)	587	510	578	669
Top Tube (actual)	639	623	630	714
Seat Tube C-T	412	420	501	478
Head Angle	74	79	84	81
Seat Angle	83	64	64	80
Chainstay	752	715	743	885
Wheelbase	1561	1421	1299	1255
Standover	723	857	883	891
BB Drop	36	43	36	44
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer

Measurements are in millimeters and degrees.

Problem? Flag for Review or

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

Also! Search by Stack and Reach

You can now search the database by numbers.

Find bikes that match your geometry criteria.