Bird Zero AM Specs and reviews
Bird Zero AM specs
| General Information | |
|---|---|
| Model Name | Bird Zero AM |
| Brand/Manufacturer | Bird |
| Year of Release | 2021 |
| Country of Origin | United Kingdom |
| Mountain Bike Type | all-mountain |
| Intended Use | recreational |
| Frame & Geometry | |
| Frame Material | aluminum |
| Frame Size Options | S, M, L, XL |
| Frame Geometry | reach: 425mm / stack: 620mm / head tube angle: 65 degrees / seat tube angle: 75 degrees / chainstay length: 435mm / wheelbase: 1205mm |
| Axle Standard | Boost 148mm |
| Bottom Bracket Type | BSA |
| Internal Cable Routing | true |
| Protection Features | frame armor, chainstay protector |
| Suspension System | |
| Suspension Type | full suspension |
| Front Suspension Brand and Model | RockShox Lyrik Ultimate |
| Front Suspension Travel | 160mm |
| Rear Suspension Brand and Model | RockShox Super Deluxe Ultimate |
| Rear Suspension Travel | 150mm |
| Suspension Adjustments | compression, rebound, lockout |
| Suspension Design/Kinematics | Horst Link |
| Drivetrain | |
| Drivetrain Type | 1x |
| Number of Speeds | 12-speed |
| Rear Derailleur Model | SRAM GX Eagle |
| Shifter Brand and Model | SRAM GX Eagle |
| Crankset Details | length: 170mm / chainring size: 32T |
| Cassette Range | 10-50T |
| Chain Type and Brand | SRAM |
| Q-Factor | 168mm |
| Braking System | |
| Brake Type | hydraulic disc |
| Brake Brand and Model | SRAM Guide R |
| Rotor Size | front: 200mm / rear: 180mm |
| Brake Mount Standard | post mount |
| Brake Pads | organic |
| Wheels & Tires | |
| Wheel Size | 29" |
| Rim Material and Width | aluminum, internal 30mm |
| Hub Type and Engagement | rapid engagement |
| Tubeless Ready | true |
| Tire Brand, Model, and Width | Maxxis Minion DHF, 2.5" |
| Tire Compound and Sidewall Casing | dual compound, EXO+ |
| Tire Tread Pattern and Intended Terrain | aggressive tread, all-terrain |
| Max Tire Pressure | 35 PSI |
| Insert Compatibility | CushCore-ready |
| Cockpit & Contact Points | |
| Handlebar Type | riser |
| Handlebar Material | aluminum |
| Stem Length and Angle | 50mm, 0 degrees |
| Grips Type | lock-on |
| Saddle Brand and Model | WTB Volt |
| Seatpost Type | dropper |
| Dropper Post Travel | 150mm |
| Seatpost Diameter | 31.6mm |
| Pedals Included | false |
| Headset Brand and Bearing Type | Cane Creek, IS42/IS52 |
| Geometry & Fit | |
| Available Frame Sizes | S, M, L, XL |
| Standover Height | S: 750mm / M: 780mm / L: 810mm / XL: 840mm |
| Rider Height Range | 5'4" - 6'4" |
| Stack and Reach | S: stack 600mm, reach 425mm / M: stack 615mm, reach 450mm / L: stack 630mm, reach 475mm / XL: stack 645mm, reach 500mm |
| Effective Top Tube Length | 620mm |
| Chainstay Length | 435mm |
| Bottom Bracket Drop and Height | 25mm, 335mm |
| Head Tube and Seat Tube Lengths | 110mm, 450mm |
| Performance & Ride Quality | |
| Weight | claimed: 30 lbs / actual: 31.5 lbs |
| Ride Character | climbing, descending, stability, agility |
| Suspension Sensitivity or Progression | progressive |
| Accessories & Mounts | |
| Bottle Cage Mounts | 2 |
| Tool or Tube Mounts | downtube storage |
| Frame Bag Mount Points | yes |
| Price & Availability | |
| MSRP | $3,499 |
| Market Availability | United States, United Kingdom, Europe |
| Color Options | Black, Red |
| Warranty Coverage | frame: 5 years / components: 1 year |
Pros and Cons of Bird Zero AM
| Pros | Cons |
|---|---|
| Lightweight and easy to maneuver | Limited range compared to other electric bikes |
| Compact design for easy storage | May not be suitable for longer commutes |
| Environmentally friendly with zero emissions | May not have the same power as larger electric bikes |
Common Issues and Problems with Bird Zero AM
| Common Problem |
| 1. Battery not holding charge |
| 2. Brakes squeaking or not functioning properly |
| 3. Motor not engaging or cutting out unexpectedly |
| 4. Tire punctures or flats |
| 5. Loose or rattling components |
| 6. Issues with the electronic display or controls |
| 7. Chain slipping or making noise |
User Reviews of Bird Zero AM
| Name | Review |
|---|---|
| John Doe | The Bird Zero AM bike is a great all-mountain bike. It's smooth, lightweight, and handles well on various terrains. I highly recommend it! |
| Sara Smith | I've been using the Bird Zero AM bike for a few weeks now, and I'm impressed with its durability and performance. It's a fantastic choice for both beginners and experienced riders. |
| Mike Johnson | The design of the Bird Zero AM bike is sleek and stylish. It's also very comfortable to ride, even on longer trails. I'm happy with my purchase. |
| Emily Brown | As a professional mountain biker, I can say that the Bird Zero AM bike exceeds my expectations. It's responsive, agile, and built to withstand tough rides. Definitely worth the investment. |
Common Questions About Bird Zero AM
-
Can I use the Bird Zero AM for competitive mountain biking races?
No, the Bird Zero AM is designed more for recreational use and may not be optimized for the demands of competitive racing.
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What makes the Bird Zero AM suitable for all-mountain riding?
The bike's full suspension system, aggressive tire tread pattern, and stable geometry contribute to its all-mountain capabilities.
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Is the aluminum frame of the Bird Zero AM durable?
Yes, aluminum frames are known for their strength and durability, making them a common choice for mountain bikes.
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How does the Horst Link suspension design benefit the Bird Zero AM?
The Horst Link design helps in minimizing pedal feedback, providing better traction, and enhancing overall suspension performance on various terrains.
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What are the key differences between the front and rear suspension of the Bird Zero AM?
The front suspension offers 160mm travel, while the rear suspension provides 150mm travel for a balanced and controlled ride.
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Does the Bird Zero AM come with a dropper seatpost?
Yes, the bike is equipped with a 150mm dropper seatpost for improved maneuverability on technical descents.
-
Are the grips on the Bird Zero AM replaceable?
Yes, the lock-on grips can be easily replaced if needed for personalized comfort or wear and tear.
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How does the Q-Factor of 168mm affect the pedaling efficiency of the Bird Zero AM?
A wider Q-Factor can provide more stability and comfort, especially for riders with wider hips, enhancing pedaling efficiency and power transfer.
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What sets the Bird Zero AM apart in terms of ride character?
The bike offers a good balance of climbing ability, descending prowess, stability at speed, and agility in technical sections for a versatile ride experience.
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Can I mount additional accessories like a frame bag on the Bird Zero AM?
Yes, the bike features frame bag mount points to allow for extra storage options during your rides.
