Bird Aeris 145 SRAM Eagle

Name: Bird Aeris 145 SRAM Eagle
Brand: Bird

2020 MountainTrail Manufacturer page

Travel: 150 / 145 mm Fork / rear shock
Wheels: 27.5″
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 162–173
MD 169–180
MD/LG 175–186
LG 180–192
XL 188–199

Components

20 of 22 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Aluminum Not identified

Suspension

2 parts

Drivetrain

8 parts

Bottom bracket
- SRAM DUB BSA
Cassette
- SRAM
Chain
- SRAM
Chain guide

None
Crankset
- Truvativ DESCENDANT Carbon 10 speeds
Front derailleur

None
Rear derailleur
- SRAM
Shifters
- SRAM

Brakes

2 parts

Wheels and tires

5 parts

Cockpit and contact points

7 parts

Grips

Gusset S2, lock-on, 32mm diameter Not identified
Handlebar
- Race Face
Headset
- Hope
Pedals

None
Saddle
- Fabric
Seatpost
- RockShox Reverb
Stem
- Race Face

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD/LG

Table

Reach 481mm

Stack 599mm

Wheelbase 1230mm

Head angle 65.5°

Seat angle 76.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	433	458	481	506	528
Stackmm	589	589	599	599	608
Top tube lengthmm	580	605	630	655	680
Seat tube lengthmm	380	410	440	470	500
Head tube lengthmm	110	110	120	120	130
Head tube angle	65.5°	65.5°	65.5°	65.5°	65.5°
Seat tube angle	76°	76°	76°	76°	76°
Chainstay lengthmm	435	435	435	435	435
Wheelbasemm	1178	1203	1230	1255	1282
Front centermm	743	768	795	820	847
Bottom bracket dropmm	10	10	10	10	10
Bottom bracket heightmm	340	340	340	340	340
Standover heightmm	699	699	700	700	704
Fork rakemm	42	42	42	42	42
Trailmm	116	116	116	116	116
Stack/reach ratio	1.36	1.29	1.25	1.18	1.15

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Full suspension
Front travel: 150 mm
Rear travel: 145 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

2 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

150 mm

This value is above the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,348 bicycles with this information
Coverage: 93.8% of the class

Shifting

Mechanical

55 of 1,437 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,437 bicycles with this information
Coverage: 100.0% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2020 builds

Differences across 2020 builds
Specification	This bicycle Bird Aeris 145 SRAM Eagle	Bird Aeris 120 LT Shimano 12-speed	Bird Aeris 120 LT SRAM Eagle	Bird Aeris 120 Shimano 12-speed	Bird Aeris 120 SRAM Eagle	Bird Aeris 145 Shimano 12-speed
Suspension
Front travel	150 mm	140 mm	140 mm	140 mm	140 mm	150 mm
Rear travel	145 mm	130 mm	130 mm	120 mm	120 mm	145 mm
Drivetrain
Smallest chainring	32	Not informed	32	Not informed	32	Not informed
Largest chainring	32	Not informed	32	Not informed	32	Not informed