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Bird Aeris ONE20LT 2018

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Geometry

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	S	M	ML	L	XL
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Reach	479	378	447	492	451
Stack	483	488	575	551	669
Top Tube (effective)	497	658	572	554	550
Seat Tube C-T	378	370	474	419	457
Head Angle	79	74	68	56	75
Seat Angle	74	85	75	76	63
Head Tube	93	99	98	110	125
Chainstay	420	470	456	363	470
Wheelbase	1228	955	1280	1277	1206
Standover	612	570	754	601	628
BB Drop	23	21	24	21	21
BB Height	297	323	327	302	333
BB Type	73mm Threaded	73mm Threaded	73mm Threaded	73mm Threaded	73mm Threaded
Fork Rake / Offset	37-46	37-46	37-46	37-46	37-46
Fork Length (A2C)	524	620	578	599	475
Seatpost Diameter	28	33	28	35	28
Axle Spacing	148x12 (Boost)	148x12 (Boost)	148x12 (Boost)	148x12 (Boost)	148x12 (Boost)
Wheel Size	27	27	26	32	31
Tyre Max Width	2.6"	2.6"	2.6"	2.6"	2.6"
Front Travel	121	154	111	138	111
Rear Travel	144	112	116	118	143
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

Note: Assumes 130mm linkage, 130mm fork, unsagged

Measurements are in millimeters and degrees.

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Image showing geometry measurements

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