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GT Avalanche Comp

Last known price
$950
Fork travel
100 mm
Wheels
27.5″
Drivetrain
1 × 10 32t / 11–42t
Gear range
382%
Frame
Aluminum
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • XS 142.2–154.9
  • SM 152.4–167.6
  • MD 165.1–180.3
  • LG 177.8–188
  • XL 185.4–198.1

Components

16 of 20 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

    GT Alloy Triple Triangle, 27.5/29" Wheels, replaceable hanger Not identified

Suspension

1 part
  • Fork

Sizes and geometry

5 sizes

Size explorer

Enter your height to highlight matching ranges.

Size Reported by the manufacturer

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum

Suspension

Suspension configuration
  • Hardtail
Front travel
  • 100 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 32
Largest chainring
  • 32
Rear sprockets
  • 10
Smallest sprocket
  • 11
Largest sprocket
  • 42
Lowest gear
  • 21.0 in
Highest gear
  • 80.0 in

Technical analysis

2 measures

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

Front travel

100 mm

This value is within the central range for this class.

Cohort
Mountain / Cross-country Model year: 2025
Sample
1,508 bicycles with this information
Coverage
87.8% of the class

Shifting

Mechanical

222 of 1,648 bicycles with this information use electronic shifting.

Cohort
Mountain / Cross-country Model year: 2025
Sample
1,648 bicycles with this information
Coverage
95.9% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
8.0 km/h
Highest gear
30.6 km/h

Total gear range 382%

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 2025 builds

Differences across 2025 builds
Specification This bicycle GT Avalanche Comp GT Avalanche Elite GT Avalanche Expert GT Avalanche Sport
Drivetrain
Front chainrings 1 1 1 2
Smallest chainring 32 32 32 22
Largest chainring 32 32 32 36
Rear sprockets 10 11 12 9
Largest sprocket 42 46 50 36
Lowest gear 21.0 in 19.1 in 17.6 in 16.8 in
Highest gear 80.0 in 80.0 in 80.0 in 90.0 in
Other specifications
Fork spring Coil Coil Not informed Coil

Other models in this family

4 models

Published versions from the same family and model year.

GT Avalanche Comp, by GT

This bicycle

Cross-country

Avalanche Comp

  • Suspension: 100 mm
  • Wheel size: 27.5″
GT Avalanche Elite, by GT

Cross-country

Avalanche Elite

Mountain / Cross-country

  • Suspension: 100 mm
  • Wheel size: 27.5″
GT Avalanche Expert, by GT

Cross-country

Avalanche Expert

Mountain / Cross-country

  • Suspension: 100 mm
  • Wheel size: 27.5″
GT Avalanche Sport, by GT

Cross-country

Avalanche Sport

Mountain / Cross-country

  • Suspension: 100 mm
  • Wheel size: 27.5″

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