Bird Zero AM (2019-2022) Frame

(discontinued)

Discontinued

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Bird

Where To Buy
	Free shipping on orders over $69 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Frames
	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Frames
	Free U.S. shipping on everything. International shipping available. Some exclusions apply.	Browse available Frames

Specifications

Product

Bird Zero AM (2019-2022) Frame

Intended Use

Enduro / All-Mountain

Trail

Rider

Unisex

Sizes and Geometry

SM (150mm fork, 160mm fork)

MD (150mm fork, 160mm fork)

ML (150mm fork, 160mm fork)

LG (150mm fork, 160mm fork)

XL (150mm fork, 160mm fork)

View Full Geometry

Size	SM (150mm fork, 160mm fork)	MD (150mm fork, 160mm fork)	ML (150mm fork, 160mm fork)	LG (150mm fork, 160mm fork)	XL (150mm fork, 160mm fork)
Top Tube Length	580mm	605mm	630mm	655mm	680mm
Head Tube Angle	64.5°, 64.1°	64.5°, 64.1°	64.5°, 64.1°	64.5°, 64.1°	64.5°, 64.1°
Head Tube Length	110mm	110mm	120mm	120mm	130mm
Seat Tube Angle	74.0°, 73.6°	74.0°, 73.6°	74.0°, 73.6°	74.0°, 73.6°	74.0°, 73.6°
Seat Tube Length	380mm	410mm	440mm	470mm	500mm
Bottom Bracket Height	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)
Chainstay Length	420mm	420mm	420mm	425mm	425mm
Wheelbase	1150mm	1175mm	1201mm	1226mm	1253mm
Reach	425mm	450mm	472mm	497mm	519mm
Stack	615mm	615mm	624mm	624mm	633mm
Additional Info	Head Tube Angle, Seat Tube Angle, and Bottom Bracket Height given for static (non-sagged) position.

Sizes Additional Info

Head Tube Angle, Seat Tube Angle, and Bottom Bracket Height given for static (non-sagged) position.

View Full Geometry

Size	SM (150mm fork, 160mm fork)	MD (150mm fork, 160mm fork)	ML (150mm fork, 160mm fork)	LG (150mm fork, 160mm fork)	XL (150mm fork, 160mm fork)
Top Tube Length	580mm	605mm	630mm	655mm	680mm
Head Tube Angle	64.5°, 64.1°	64.5°, 64.1°	64.5°, 64.1°	64.5°, 64.1°	64.5°, 64.1°
Head Tube Length	110mm	110mm	120mm	120mm	130mm
Seat Tube Angle	74.0°, 73.6°	74.0°, 73.6°	74.0°, 73.6°	74.0°, 73.6°	74.0°, 73.6°
Seat Tube Length	380mm	410mm	440mm	470mm	500mm
Bottom Bracket Height	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)	305mm (45mm drop), 308mm (42mm drop)
Chainstay Length	420mm	420mm	420mm	425mm	425mm
Wheelbase	1150mm	1175mm	1201mm	1226mm	1253mm
Reach	425mm	450mm	472mm	497mm	519mm
Stack	615mm	615mm	624mm	624mm	633mm
Additional Info	Head Tube Angle, Seat Tube Angle, and Bottom Bracket Height given for static (non-sagged) position.

Wheel Size

27.5" (650b)

27.5+

Frame Material

Aluminum

Frame Material Details

6066-T6 alloy tubeset

Rear Travel

Hardtail

Rear Shock

None

Head Tube Diameter

Tapered, 1.125" top, 1.5" bottom

Bottom Bracket

73mm English/BSA threaded

Rear Dropout / Hub Dimensions

148x12mm Boost

Front Derailleur Size

Clamp-on; 34.9mm outer seat tube diameter

Seatpost Diameter

31.6mm

Max Tire Size

27.5" x 2.8"

ISCG Tabs

ISCG05

Bottle Cage Mounts

One inside front triangle

Colors

Atomic Blue, Anodized Black, Yellow, Stealth Black, Matte Grey, Blues, Raw

Warranty

Lifetime frame, 2 years paint and Bird components

Weight

4 lb 6.5 oz (2,000 g)

Miscellaneous

• 2019-2022 version
• Multiple customizations options available at Bird website for rear axle, seatpost clamp, and headset
• External cable routing with internal dropper seatpost routing
• 160mm post-mount rear brake tabs
• Designed for 150-160mm travel forks
• Weight given for size ML frame
• UK price: 645 GBP

Price

$744.48

More Info

bird.bike

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Where To Buy
	Free shipping on orders over $69 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Frames
	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Frames
	Free U.S. shipping on everything. International shipping available. Some exclusions apply.	Browse available Frames