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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	422	479	452	423	433
Stack	645	587	549	673	673
Top Tube (effective)	559	524	529	538	667
Seat Tube C-T	418	332	511	380	470
Head Angle	68	56	68	66	65
Seat Angle	70	82	77	70	88
Head Tube	119	120	110	132	140
Chainstay	426	476	490	376	509
Wheelbase	1187	1335	1004	1148	1113
Standover	726	788	741	672	776
BB Drop	8	8	11	9	11
BB Height	384	407	401	397	341
Axle to Crown	650	482	485	542	533
Seatpost Diameter	32	28	31	37	36
Axle Spacing	132	132	153	148	144
Wheel Size	28	25	24	32	31
Front Travel	160	136	131	154	141
Rear Travel	144	173	164	167	129
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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