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?

Bird Aeris 145 LT 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.

c

Geometry

Loading...

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

	S	M	ML	L	XL
Add to Compare
Reach	474	418	420	604	522
Stack	556	568	704	565	711
Seat Tube C-T	409	370	521	487	490
Seat Tube (effective)	512	564	703	770	666
Head Angle	59	59	73	73	61
Seat Angle	76	60	90	66	60
Head Tube	89	88	134	105	122
Chainstay	429	397	403	416	513
Wheelbase	1336	1212	1172	1297	1406
Standover	623	777	745	746	633
BB Drop	10	11	12	13	11
BB Height	306	314	279	350	363
Fork Rake / Offset	42	39	37	45	41
Fork Length (A2C)	525	447	435	503	610
Seatpost Diameter	32	27	35	35	33
Wheel Size	32	32	25	31	31
Tyre Max Width	2	2	2	3	2
Front Travel	159	137	134	172	179
Rear Travel	132	158	166	165	189
Shock Size	230x65	230x65	230x65	230x65	230x65
Data Source	Bird	Bird	Bird	Bird	Bird

Measurements are in millimeters and degrees.

Problem? Flag for Review or

Image showing geometry measurements

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.