Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 150mm -
Travel Rear 150mm -
Fork RockShox Lyrik Ultimate
-
Groupset XX1 Eagle, Truvativ Descendant Carbon -
Suspension Full -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminum
Suspension Fork
RockShox options: 35, Pike Select RC, Pike Ultimate RC2, Pike Ultimate RCT3, Lyrik Select RC, Lyrik Ultimate RC2
Rear Shock
RockShox options: Deluxe Select+ RT, Deluxe Ultimate RCT, Super Deluxe Ultimate RCT, Super Deluxe Coil Ultimate RCT
Drivetrain
Rear Derailleur
SRAM drivetrain options: SX Eagle, GX Eagle, X01 Eagle, XX1 Eagle
Front Derailleur
N/A
Shift Levers
SRAM drivetrain options: SX Eagle, GX Eagle, X01 Eagle, XX1 Eagle
Cassette
SRAM options: NX Eagle (with SX drivetrain), GX Eagle, X01 Eagle, XX1 Eagle
Crank
SRAM options: X1000 (with SX Eagle drivetrain), Truvativ Descendant Alloy (with GX Eagle drivetrain), Truvativ Descendant Carbon (with X01 Eagle drivetrain), XX1 Eagle
Bottom Bracket
SRAM DUB, 73mm threaded
Chain
SRAM options: NX Eagle (with SX drivetrain), GX Eagle, X01 Eagle, XX1 Eagle
Chain Guide
N/A
Pedals
N/A
Wheels
Front Hub
110x15mm Boost front, 148x12mm Boost rear, Options: Hope Tech Pro 4, DT Swiss M1900 Spline 30 wheelset
Rear Hub
110x15mm Boost front, 148x12mm Boost rear, Options: Hope Tech Pro 4, DT Swiss M1900 Spline 30 wheelset
Rims
DT Swiss options: XM481, EX511, FR560, M502, M1900 Spline 30 wheelset
Spokes
DT Swiss options: Competition, Competition Race, M1900 Spline 30 wheelset
Tires
Maxxis options: Minion DHF, Minion DHR II, Dissector, High Roller II, Shorty, Assegai, Aggressor
Brakes
Brakes
SRAM options: Guide RE, G2 RSC, Code RSC, Shimano options: Deore M6000, M520, SLX M7120, Deore XT M8120
Brake Levers
SRAM options: Guide RE, G2 RSC, Code RSC, Shimano options: Deore M6000, M520, SLX M7120, Deore XT M8120
Cockpit
Stem
Race Face options: Aeffect R 35, 40mm length; Turbine R 35, 32mm length
Handlebar
Race Face options: Atlas 35, Turbine R 35, SixC 35 Carbon, Next R Carbon
Grips
Gusset S2, lock-on, 32mm diameter
Headset
ZS44 upper, ZS56 lower, Options: Bird, Hope Tech
Seat
Saddle
Fabric Scoop options: Radius Sport, Radius Elite, Radius Race Ti, Gel Radius
Seatpost
Options: Race Face Ride rigid, RockShox Reverb Stealth dropper, Bird Down dropper
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | MD/LG | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.36 mm | 1.32 mm | 1.25 mm | 1.21 mm |
| Bottom Bracket Height | 340 mm | 340 mm | 340 mm | 340 mm |
| Stack | 607 mm | 616 mm | 616 mm | 625 mm |
| Reach | 445 mm | 468 mm | 493 mm | 515 mm |
| Top Tube Length | 598 mm | 623 mm | 648 mm | 673 mm |
| Seat Tube Angle | 76 ° | 76 ° | 76 ° | 76 ° |
| Seat Tube Length | 410 mm | 440 mm | 470 mm | 500 mm |
| Head Tube Angle | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° |
| Head Tube Length | 100 mm | 110 mm | 110 mm | 120 mm |
| Chainstay Length | 433 mm | 433 mm | 433 mm | 433 mm |
| Wheelbase | 1206 mm | 1233 mm | 1258 mm | 1285 mm |
| Bottom Bracket Drop | 34 mm | 34 mm | 34 mm | 34 mm |
| Standover Height | 692 mm | 693 mm | 693 mm | 697 mm |
| Wheels | 29" | 29" | 29" | 29" |
Model Overview
Aeris AM9 SRAM Eagle belongs to the Bird Aeris model. Bird released 10 bikes variations of this model so far. You can easily view all of the Bird Aeris bikes models from 2020, here.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Average price for Enduro bikes
Our math shows that the average cost of a dependable Enduro bike is 3599$. However, even though the average price of an Enduro bike is lower, you might still be able to get a top-quality bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Aeris AM9 SRAM Eagle components
Fork
Bird Aeris AM9 SRAM Eagle 2020 bike is equipped with the RockShox Lyrik Ultimate fork, and has 150mm travel. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Rear Shock
The shock that’s installed on this bike is RockShox options: Deluxe Select+ RT, with a travel distance of 150mm. Rear shocks give you increased comfort, control, and traction, which is important when cornering or braking. This allows you to ride faster on bumpy roads. In short, if you want smooth rides, get a full-suspension bicycle.
Wheels size
When it comes to wheels, the Aeris AM9 SRAM Eagle bike is equipped with the 29″ aluminum model. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
Nothing is more important on a bike than its ability to brake properly. Bird Aeris AM9 SRAM Eagle is equipped with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Dropper post
Every bike should have a dropper post, and this one does. Needless to say, a dropper post will come in handy on climbs and descends. You’ll fall in love with it at first sight!