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Author Sonic 27.5

Fork travel
80 mm
Wheels
27.5″
Gear range
436%
Weight
12.8 kg 28.2 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • 14" 140–158
  • 16" 155–173

Components

13 of 18 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

    triple butted hydroformed alloy 6061 27.5" Not identified

Suspension

1 part
  • Fork

Sizes and geometry

Size explorer

Enter your height to highlight matching ranges.

Size 14"

Table
Reach 385mm
Stack 575mm
Wheelbase 1052mm
Head angle 69.0°
Seat angle 74.0°
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

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum
Bicycle weight
  • 12.8 kg
  • 28.2 lb

Suspension

Suspension configuration
  • Hardtail
Front travel
  • 80 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 32
Largest chainring
  • 32
Smallest sprocket
  • 11
Largest sprocket
  • 48
Lowest gear
  • 18.3 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

80 mm

This value is below the central range for this class.

Cohort
Mountain / Cross-country Model year: 2026
Sample
1,209 bicycles with this information
Coverage
90.0% of the class

Shifting

Mechanical

156 of 1,318 bicycles with this information use electronic shifting.

Cohort
Mountain / Cross-country Model year: 2026
Sample
1,318 bicycles with this information
Coverage
98.2% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
7.0 km/h
Highest gear
30.6 km/h

Total gear range 436%

Pedaling rhythm
80rpm
40
60
80
100
120

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