Aeris AM9 Shimano 12-speed
A 29″ aluminum frame full suspension enduro bike with modest components.
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Frame | Aluminum |
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Suspension | Full, 150 / 150mm |
Fork | RockShox |
Shock | RockShox |
Wheels | 29″ Aluminum |
Groupset | Shimano, Race Face |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
Jun 2019
Our take on the British designed Bird Aeris AM enduro bike: The Aeris is a playful, confidence inspiring ride that will leave you grinning from ear to ear
Jan 2019 · James Vincent
With more and more brands selling complete mountain bikes direct to consumer, we decided to check out three of the latest options from Intense, Bird, and Sonder, to put each...
Jan 2018 · Tom Marvin
A sublime riding, pocket friendly trail and enduro slayer. Buy if you want a top-spec trail and enduro riding 29er without paying big bucks
Spot-on geometry, great suspension, killer price
Rear suspension rebound might not be fast enough for everyone
Nov 2017 · Jamie Darlow
The Bird Aeris 145 is an enduro machine with 145mm travel with modern geometry and sizing. This is a big, slack bike for tall as well as short riders.
Sitting on the Aeris and feeling at home on the size large.
Bamboozled by spec options.
Mar 2017 · Jim Buchanan
UK company, Bird Cycleworks will soon be releasing this radical looking Bird Aeris 145 into their range, boasting some major changes from their 2016 Aeris.
Frame | Aluminum BB Standard: BSA, 73mm, Threaded |
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Fork | RockShox options: 35, Pike Select RC, Pike Ultimate RC2, Pike Ultimate RCT3, Lyrik Select RC, Lyrik Ultimate RC2 Travel: 150mm |
Shock | RockShox options: Deluxe Select+ RT, Deluxe Ultimate RCT, Super Deluxe Ultimate RCT, Super Deluxe Coil Ultimate RCT Travel: 150mm |
Bottom Bracket | 73mm threaded, Options: Race Face, Shimano |
Headset | ZS44 upper, ZS56 lower, Options: Bird, Hope Tech |
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 |
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 Type: Dropper |
Pedals | N/A |
Grips | Gusset S2, lock-on, 32mm diameter |
Rear Derailleur | Shimano drivetrain options: SLX M7100, Deore XT M8100, XTR M9100 |
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Front Derailleur | N/A |
Crank | Options: Race Face Ride (with SLX drivetrain), Shimano SLX, Race Face Aeffect (with Deore XT drivetrain), Shimano Deore XT, Shimano XTR |
Shifters | Shimano options: Deore XT M8100 (with SLX or XT drivetrain), XTR M9100 |
Cassette | Shimano drivetrain options: SLX M7100, Deore XT M8100, XTR M9100 |
Chain | Shimano drivetrain options: SLX M7100, Deore XT M8100, XTR M9100 |
Chain Guide | N/A |
Brakes | SRAM options: Guide RE, G2 RSC, Code RSC, Shimano options: Deore M6000, M520, SLX M7120, Deore XT M8120, XTR M9120 Type: Hydraulic Disc |
Brake Levers | SRAM options: Guide RE, G2 RSC, Code RSC, Shimano options: Deore M6000, M520, SLX M7120, Deore XT M8120, XTR M9120 |
Rims | DT Swiss options: XM481, EX511, FR560, M502, M1900 Spline 30 wheelset |
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Spokes | DT Swiss options: Competition, Competition Race, M1900 Spline 30 wheelset |
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 |
Tires | Maxxis options: Minion DHF, Minion DHR II, Dissector, High Roller II, Shorty, Assegai, Aggressor |
Last updated May 14