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Author Codex

Fork travel
80 mm
Wheels
29″
Gear range
627%
Weight
13.7 kg 30.2 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • 16" 150–168
  • 18" 165–178
  • 20" 175–188
  • 22" 185–200

Components

17 of 19 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 alloy 6061 29" Not identified

Suspension

1 part
  • Fork

Sizes and geometry

Size explorer

Enter your height to highlight matching ranges.

Size 18"

Table
Reach 387mm
Stack 630mm
Wheelbase 1076mm
Head angle 71.0°
Seat angle 73.0°
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
  • Aluminum
Bicycle weight
  • 13.7 kg
  • 30.2 lb

Suspension

Suspension configuration
  • Hardtail
Front travel
  • 80 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 2
Smallest chainring
  • 30
Largest chainring
  • 46
Smallest sprocket
  • 11
Largest sprocket
  • 45
Lowest gear
  • 19.3 in
Highest gear
  • 121.3 in

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
7.4 km/h
Highest gear
46.4 km/h

Total gear range 627%

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 Author Codex Author Codex ASL
Frame
Bicycle weight 13.7 kg 13.5 kg
Drivetrain
Smallest chainring 30 26
Largest chainring 46 40
Lowest gear 19.3 in 16.8 in
Highest gear 121.3 in 105.5 in

Other models in this family

2 models

Published versions from the same family and model year.

Author Codex, by Author

This bicycle

Hybrid

Codex

  • Weight: 13.7 kg
  • Suspension: 80 mm
  • Wheel size: 29″
Author Codex ASL, by Author

Hybrid

Codex ASL

Urban / Hybrid

  • Weight: 13.5 kg
  • Suspension: 80 mm
  • Wheel size: 29″

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