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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	352	481	527	557	424
Stack	589	663	524	597	630
Top Tube (effective)	562	600	752	719	597
Seat Tube C-T	428	376	467	404	540
Head Angle	70	75	78	74	66
Seat Angle	69	91	86	74	88
Head Tube	122	122	104	121	135
Chainstay	413	422	468	379	475
Wheelbase	1337	1039	1231	1248	1096
Standover	802	788	611	569	760
BB Drop	8	10	11	8	8
BB Height	313	395	293	308	391
Axle to Crown	521	457	568	632	558
Seatpost Diameter	35	37	33	34	26
Axle Spacing	160	172	175	118	144
Wheel Size	28	29	26	28	30
Front Travel	151	156	164	123	168
Rear Travel	135	153	123	149	116
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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