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Bird Aeris 145 2017

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Geometry

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	S	M	ML	L	XL
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Reach	472	392	407	536	631
Stack	657	633	578	666	639
Top Tube (effective)	580	536	730	730	628
Seat Tube C-T	382	379	390	395	401
Head Angle	71	54	63	77	76
Seat Angle	77	63	81	86	83
Head Tube	105	91	121	132	143
Chainstay	444	489	470	378	483
Wheelbase	1002	1190	1146	1267	1216
Standover	647	781	679	612	761
BB Drop	11	9	11	10	9
BB Height	388	294	396	359	403
Axle to Crown	556	524	487	529	538
Seatpost Diameter	35	36	27	32	25
Axle Spacing	125	151	165	137	130
Wheel Size	30	29	28	24	32
Front Travel	163	146	130	167	165
Rear Travel	121	150	160	157	150
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

Measurements are in millimeters and degrees.

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Image showing geometry measurements

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