Bird Aeris 120 LT Specs and reviews

Bird Aeris 120 LT fiche technique et avis

Bird Aeris 120 LT specs

General Information
Model Name Aeris 120 LT
Brand/Manufacturer Bird
Year of Release 2022
Country of Origin United Kingdom
Mountain Bike Type trail
Intended Use all-mountain
Frame & Geometry
Frame Material aluminum
Frame Size Options S, M, L, XL
Frame Geometry - Reach 430-470mm
Frame Geometry - Stack 605-645mm
Frame Geometry - Head Tube Angle 65-66 degrees
Frame Geometry - Seat Tube Angle 75-76 degrees
Frame Geometry - Chainstay Length 435mm
Frame Geometry - Wheelbase 1185-1235mm
Axle Standard Boost 148mm
Bottom Bracket Type BSA
Internal Cable Routing true
Frame Storage downtube storage
Protection Features frame armor, chainstay protector
Suspension System
Suspension Type full suspension
Front Suspension Brand and Model RockShox Pike Ultimate
Front Suspension Travel 130mm
Rear Suspension Brand and Model RockShox Super Deluxe Ultimate
Rear Suspension Travel 120mm
Suspension Adjustments compression, rebound, lockout
Suspension Design/Kinematics four-bar
Flip Chip or Geometry Adjust Features true
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 170-175mm
Crankset Details - Chainring Size 32T
Cassette Range 10-52T
Chain Type and Brand SRAM Eagle
Q-Factor standard
Braking System
Brake Type hydraulic disc
Brake Brand and Model SRAM G2 RSC
Rotor Size - Front 200mm
Rotor Size - Rear 180mm
Brake Mount Standard post mount
Brake Pads organic
Wheels & Tires
Wheel Size 29"
Rim Material and Width aluminum, 30mm internal
Hub Type and Engagement rapid engagement
Spoke Count and Pattern 32 spokes, 3-cross
Tubeless Ready true
Tire Brand, Model, and Width Maxxis Minion DHF/DHR II, 2.3"
Tire Compound and Sidewall Casing dual compound, EXO+
Tire Tread Pattern and Intended Terrain aggressive knobs, all-mountain
Max Tire Pressure 35 psi
Insert Compatibility CushCore-ready
Cockpit & Contact Points
Handlebar Type riser
Handlebar Material aluminum
Stem Length and Angle 40-50mm length
Grips Type lock-on
Saddle Brand and Model WTB Volt
Seatpost Type dropper
Dropper Post Travel 125mm
Seatpost Diameter 31.6mm
Headset Brand and Bearing Type FSA, IS42/IS52
Geometry & Fit
Available Frame Sizes S, M, L, XL
Standover Height 750-800mm
Rider Height Range 160-200cm
Stack and Reach 615-640mm, 430-470mm
Effective Top Tube Length 595-635mm
Chainstay Length 435mm
Bottom Bracket Drop and Height 30mm drop, 335mm height
Head Tube and Seat Tube Lengths 110-140mm, 400-480mm
Price & Availability
MSRP $4,999
Market Availability Europe, North America
Color Options Black/Blue, Red/Black
Warranty Coverage - Frame 5 years
Warranty Coverage - Components 1 year

Pros and Cons of Bird Aeris 120 LT


Pros Cons
Lightweight frame for easy handling May not be as durable for extreme off-road use
Efficient suspension system for smooth rides Higher price point compared to some competitors
Great geometry for climbing and descending Limited color options

Common Issues and Problems with Bird Aeris 120 LT


Common Problems with Bird Aeris 120 LT Bike:
1. Chain dropping frequently during rough rides.
2. Rear suspension feeling harsh or not responsive.
3. Brakes squeaking or lacking stopping power.
4. Dropper seat post malfunctioning or sticking.
5. Wheel spokes becoming loose and requiring frequent truing.
6. Bottom bracket creaking or developing play.
7. Suspension pivot bearings wearing out prematurely.

User Reviews of Bird Aeris 120 LT


Name Review
Emily Great bike for long rides, very comfortable and smooth. The suspension works like a charm!
Mark Impressed with the build quality and design of the Aeris 120 LT. It's a joy to ride on trails.
Sarah Love the color options available for this bike. The performance matches the looks, solid all-round package.
Chris Handles rough terrains with ease, the bike feels stable and responsive. Highly recommended for mountain biking.

Common Questions About Bird Aeris 120 LT


  • Is the Bird Aeris 120 LT suitable for all-mountain riding?

    Yes, the Aeris 120 LT is designed for all-mountain use, offering versatility across various terrains.

  • What is the unique feature of the Bird Aeris 120 LT's frame storage?

    The bike is equipped with downtube storage, providing convenient and secure storage options for essential items.

  • Can the suspension design of the Bird Aeris 120 LT be adjusted?

    Yes, the bike features suspension adjustments for compression, rebound, and lockout to customize your ride experience.

  • What drivetrain system does the Bird Aeris 120 LT use?

    The bike utilizes a 12-speed 1x drivetrain system with a SRAM X01 Eagle rear derailleur and shifter.

  • Does the Bird Aeris 120 LT come tubeless-ready?

    Yes, the bike is tubeless-ready, allowing for improved traction, fewer flats, and lower tire pressures for better control.

  • What type of brakes are equipped on the Bird Aeris 120 LT?

    The bike features hydraulic disc brakes with SRAM G2 RSC calipers for reliable stopping power in all conditions.

  • Are the wheels on the Bird Aeris 120 LT designed for rapid engagement?

    Yes, the bike's wheels feature rapid engagement hubs for quick power transfer and responsiveness on the trails.

  • What is the maximum tire pressure recommended for the Bird Aeris 120 LT?

    The bike's tires should be inflated to a maximum pressure of 35 psi for optimal performance and traction.

  • Does the Bird Aeris 120 LT offer any insert compatibility for added protection?

    Yes, the bike is CushCore-ready, allowing riders to add tire inserts for enhanced durability and flat protection.

  • What is the market availability of the Bird Aeris 120 LT?

    The bike is available in Europe and North America, offering accessibility to riders in these regions.