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Bird Aeris Mk 1/1.5 2015/16

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Geometry

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	XS	S	M	L	XL
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Reach	427	457	387	480	429
Stack	542	537	504	616	656
Top Tube (effective)	566	567	503	547	658
Seat Tube C-T	318	351	364	523	550
Head Angle	67	63	56	55	67
Seat Angle	78	73	70	70	81
Head Tube	104	96	143	136	112
Chainstay	504	445	476	454	370
Wheelbase	994	1037	1149	999	1418
BB Drop	6	7	7	6	9
BB Height	311	284	306	281	296
BB Type	BSA 73	BSA 73	BSA 73	BSA 73	BSA 73
Fork Rake / Offset	33	46	38	43	40
Axle to Crown	590		578
Seatpost Diameter	35	37	29	28	30
Axle Spacing	142x12	142x12	142x12	142x12	142x12
Wheel Size	27	31	31	27	23
Handlebar Width	760-800	760-800	760-800	760-800	760-800
Stem Length	32-50	32-50	32-50	32-50	32-50
Crank Length	155	197	176	187	179
Data Source	Added by Bird	Added by Bird	Manufacturer	Added by Bird	Added by Bird

Measurements are in millimeters and degrees.

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Image showing geometry measurements

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