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 10,000+ bikes in the comparison database. Find another?

Niner Air 9 Aluminum 2019

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

	XS	SM	MD	LG	XL
Add to Compare
Reach	456	482	449	459	398
Stack	719	669	684	609	589
Top Tube (effective)	683	581	598	730	713
Seat Tube C-T	409	402	425	430	608
Head Angle	66	59	72	61	61
Seat Angle	59	60	87	73	83
Head Tube	92	96	90	147	156
Chainstay	490	395	426	466	399
Wheelbase	1214	906	1196	974	1259
Front Centre	694	663	849	622	887
Standover	829	851	721	779	875
BB Drop	62	48	53	57	54
Wheel Size	29/27.5+	29/27.5+	29/27.5+	29/27.5+	29/27.5+
Front Travel	124	109	115	141	113
Data Source	Manufacturer	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.