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Transition Spire Carbon Eagle 90

Last known price
$7,699
Travel
170 / 170 mm Fork / rear shock
Wheels
29″
Drivetrain
1 × 12 30t / 10–52t
Gear range
520%
Weight
15.84 kg 34.9 lb · Reference configuration not specified
Frame
Carbon
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • SM 154–170
  • MD 164–182
  • LG 175–190
  • XL 184–200
  • XXL 190–207

Components

21 of 23 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

    Spire Carbon 170mm Not identified

Suspension

2 parts

Sizes and geometry

Size explorer

Enter your height to highlight matching ranges.

Size LG

Table
Reach 485mm
Stack 628mm
Wheelbase 1287mm
Head angle 63.0°
Seat angle 78.1°
Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.
Size Reported by the manufacturer

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Carbon
Bicycle weight
  • 15.84 kg
  • 34.9 lb

Suspension

Suspension configuration
  • Full suspension
Front travel
  • 170 mm
Rear travel
  • 170 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 30
Largest chainring
  • 30
Rear sprockets
  • 12
Smallest sprocket
  • 10
Largest sprocket
  • 52
Lowest gear
  • 16.7 in
Highest gear
  • 87.0 in

Technical analysis

3 measures

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

Front travel

170 mm

This value is within the central range for this class.

Cohort
Mountain / Enduro Model year: 2026
Sample
1,332 bicycles with this information
Coverage
95.2% of the class

Rear travel

170 mm

This value is above the central range for this class.

Cohort
Mountain / Enduro Model year: 2026
Sample
1,005 bicycles with this information
Coverage
71.8% of the class

Shifting

Mechanical

454 of 1,399 bicycles with this information use electronic shifting.

Cohort
Mountain / Enduro Model year: 2026
Sample
1,399 bicycles with this information
Coverage
100.0% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
6.4 km/h
Highest gear
33.3 km/h

Total gear range 520%

Pedaling rhythm
80rpm
40
60
80
100
120

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 2026 builds

Differences across 2026 builds
Specification This bicycle Transition Spire Carbon Eagle 90 Transition Spire Alloy Eagle 70 Transition Spire Alloy Eagle 90
Frame
Frame material Carbon Aluminum Aluminum
Bicycle weight 15.84 kg Not informed Not informed

No exact Spire Carbon Eagle 90 publication is available for 2025.

Other models in this family

3 models

Published versions from the same family and model year.

Transition Spire Carbon Eagle 90, by Transition

This bicycle

Enduro

Spire Carbon Eagle 90

  • Weight: 15.8 kg
  • Suspension: 170 mm
  • Wheel size: 29″

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