Bird Aeris AM9 Specs and reviews

Bird Aeris AM9 fiche technique et avis

Bird Aeris AM9 specs

General Information
Model Name Aeris AM9
Brand/Manufacturer Bird
Year of Release 2022
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 430mm
Frame Geometry - Stack 620mm
Frame Geometry - Head Tube Angle 65.5°
Frame Geometry - Seat Tube Angle 76°
Frame Geometry - Chainstay Length 435mm
Frame Geometry - Wheelbase 1235mm
Axle Standard Boost 148mm
Bottom Bracket Type BSA
Internal Cable Routing true
Suspension System
Suspension Type full suspension
Front Suspension Brand and Model RockShox Lyrik Ultimate
Front Suspension Travel 170mm
Rear Suspension Brand and Model RockShox Super Deluxe Ultimate
Rear Suspension Travel 160mm
Suspension Adjustments compression, rebound, lockout
Suspension Design/Kinematics four-bar
Drivetrain
Drivetrain Type 1x
Number of Speeds 12-speed
Rear Derailleur Model SRAM X01 Eagle
Shifter Brand and Model SRAM X01 Eagle
Crankset Details - Length 170mm
Crankset Details - Chainring Size 32T
Cassette Range 10-52T
Chain Type and Brand SRAM Eagle
Q-Factor 168mm
Braking System
Brake Type hydraulic disc
Brake Brand and Model SRAM Code RSC
Brake Rotor Size - Front 200mm
Brake Rotor Size - Rear 200mm
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, all-mountain
Max Tire Pressure 35psi
Cockpit & Contact Points
Handlebar Type riser
Handlebar Material aluminum
Stem Length and Angle 50mm, 0°
Grips Type lock-on
Saddle Brand and Model SDG Radar
Seatpost Type dropper
Dropper Post Travel 150mm
Seatpost Diameter 31.6mm
Pedals Included false
Headset Brand and Bearing Type FSA, IS42/IS52
Geometry & Fit
Available Frame Sizes S, M, L, XL
Standover Height - S 780mm
Standover Height - M 800mm
Standover Height - L 820mm
Standover Height - XL 840mm
Rider Height Range 5'4" - 6'4"
Stack and Reach - S 620mm/430mm
Stack and Reach - M 620mm/455mm
Stack and Reach - L 620mm/480mm
Stack and Reach - XL 620mm/505mm
Effective Top Tube Length 620mm
Chainstay Length 435mm
Bottom Bracket Drop and Height 30mm, 345mm
Head Tube and Seat Tube Lengths 120mm, 420mm
Price & Availability
MSRP $4,999
Market Availability United States, United Kingdom
Color Options Black, Blue
Warranty Coverage - Frame 5 years
Warranty Coverage - Components 1 year

Pros and Cons of Bird Aeris AM9


Pros Cons
1. Lightweight frame for easy maneuverability 1. Limited color options
2. Excellent suspension system for a smooth ride on rough terrains 2. Higher price point compared to some competitors
3. Versatile bike suitable for both downhill and uphill trails 3. Some users reported issues with the durability of certain components
4. Responsive handling for quick turns and control 4. Limited availability in certain regions

Common Issues and Problems with Bird Aeris AM9


Common Problems with Bird Aeris AM9 Bike
1. Suspension setup may need adjustment for rider weight and riding style.
2. Brake pads may wear out quickly, requiring frequent replacement.
3. Dropper post may experience issues with height adjustment or functionality.
4. Chain may drop frequently, necessitating proper maintenance and adjustment.
5. Wheel spokes may loosen over time, leading to wheel wobbling and potential damage.
6. Bottom bracket creaking or stiffness may occur, requiring servicing.
7. Rear derailleur may need frequent tuning to ensure smooth gear changes.

User Reviews of Bird Aeris AM9


Name Review
Michael Love the sleek design and smooth ride of the Bird Aeris AM9. The suspension works great on rough trails, and the bike handles well in all conditions.
Sarah Impressed with the durability of this bike. I've taken it on some challenging mountain trails, and it has held up without any issues. Highly recommend!
Chris The Bird Aeris AM9 is a beast on descents. The geometry and suspension make downhill riding a blast. Climbing is also efficient thanks to the lightweight frame.
Emily As a beginner mountain biker, I find the Bird Aeris AM9 to be forgiving and easy to control. It has boosted my confidence on the trails, and I'm loving every ride.

Common Questions About Bird Aeris AM9


  • Is the Bird Aeris AM9 suitable for professional downhill racing?

    No, the Aeris AM9 is designed for recreational all-mountain use, not for professional downhill racing.

  • What sets the Bird Aeris AM9 apart from other all-mountain bikes?

    The Aeris AM9 stands out with its advanced full-suspension system and high-quality components for a top-notch riding experience.

  • Can the suspension of the Bird Aeris AM9 be adjusted for different riding preferences?

    Yes, the suspension can be adjusted for compression, rebound, and lockout to suit various riding conditions.

  • Are the tires on the Aeris AM9 suitable for aggressive trail riding?

    Absolutely, the Maxxis Minion DHF tires with an aggressive tread pattern are ideal for tackling challenging terrain.

  • Does the Bird Aeris AM9 come with a dropper seatpost?

    Yes, the Aeris AM9 is equipped with a 150mm dropper seatpost for easy and efficient saddle height adjustments on the fly.

  • What is the Q-Factor of the crankset on the Bird Aeris AM9?

    The crankset has a Q-Factor of 168mm, providing an optimal stance width for efficient pedaling.

  • Does the Bird Aeris AM9 have internal cable routing?

    Yes, the Aeris AM9 features internal cable routing for a clean and streamlined look, as well as protection against the elements.

  • What is the warranty coverage for the components of the Bird Aeris AM9?

    Components of the Aeris AM9 are covered under a 1-year warranty, ensuring quality and reliability.

  • Can the Bird Aeris AM9 accommodate riders of different heights?

    With frame sizes ranging from S to XL and adjustable contact points, the Aeris AM9 is suitable for riders from 5'4" to 6'4".

  • What type of brakes does the Bird Aeris AM9 come with?

    The Aeris AM9 features hydraulic disc brakes with SRAM Code RSC calipers for reliable and powerful stopping performance.