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Bird Zero AM Frame

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Compare to other Frames

Need more info? View our Trail Mountain Bike Frames or Enduro / All-Mountain Mountain Bike Frames buyer's guides.

Specifications

Product

Bird Zero AM Frame

Riding Type

Trail, Enduro / All-Mountain

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 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
Standover
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

• 2019-2021 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

N/A

More Info

bird.bike

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Where To Buy
	Free shipping on orders of $99 or more (U.S. only). Free international shipping available with minimum order values. Some exclusions apply.	No match. Browse other Mountain Bike Frames
	Free standard shipping on all bikes (contiguous U.S. only). Flat rate shipping to Hawaii and Alaska.	No match. Browse other Mountain Bike Frames
	Buy direct from the manufacturer	No match. Browse other Mountain Bike Frames
	Free U.S. shipping on orders over $45. International shipping available. Some exclusions apply.	No match. Browse other Mountain Bike Frames
	Free shipping on complete bike purchases (continental U.S. only). International shipping available. Some exclusions apply.	No match. Browse other Mountain Bike Frames
	Free shipping and free 100-day returns on all U.S. orders. Shipping available to North America, Canada, and Europe (including Switzerland).	No match. Browse other Mountain Bike Frames
	Free standard shipping on orders over $49.	No match. Browse other Mountain Bike Frames
	Free shipping on orders over $75 (contiguous U.S. only). Shipping available to Alaska, Hawaii, Guam, Virgin Islands, and Puerto Rico.	No match. Browse other Mountain Bike Frames
	Free standard shipping on orders of $50 or more (U.S. only). International shipping available. Free on orders of $150 or more. Some exclusions apply.	No match. Browse other Mountain Bike Frames
	Free ground shipping and free returns on orders of $50 or more (continental U.S. only)	No match. Browse other Mountain Bike Frames
	Free shipping on orders over $75 (contiguous U.S. only). Free international shipping available with minimum order values. Some exclusions apply.	No match. Browse other Mountain Bike Frames
	Free shipping on orders over $50 (contiguous U.S. only). International shipping available. Some exclusions apply.	No match. Browse other Mountain Bike Frames
	Free shipping on orders over $60 (contiguous U.S. only). International shipping available. Some exclusions apply.	No match. Browse other Mountain Bike Frames
	Free ground shipping on orders over $50 (U.S. only).	No match. Browse other Mountain Bike Frames