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Tern Orox S12 (29")

Model year: 2025 UrbanUtilityLong-tail cargo Electric bicycle Manufacturer page (opens in a new tab)
Suspension
Rigid
Wheels
29″
Drivetrain
1 × 12 10–51t
Gear range
510%
Battery
725 Wh
Weight
34.4 kg 75.8 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc

Not published by the manufacturer

  • Sizes and geometry

Components

19 of 29 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

    Tern Orox, 6061-AL, patented design, EFBE tested and approved Not identified

Electric system

4 parts
  • Battery
  • Charger

    220V, 4A (EU); 100-240V, 4A (US) Not identified

  • Display
  • Motor

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum
Fork material
  • Steel
Bicycle weight
  • 34.4 kg
  • 75.8 lb
Weight limit
  • 210 kg
  • 463.0 lb

Suspension

Suspension configuration
  • Rigid

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Rear sprockets
  • 12
Smallest sprocket
  • 10
Largest sprocket
  • 51

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 Tern Orox S12 (29") Tern Orox R14 (27.5") Tern Orox R14 (29") Tern Orox S12 (27.5")
Frame
Bicycle weight 34.4 kg 37.7 kg 34.9 kg 37.1 kg
Drivetrain
Rear sprockets 12 1 1 12
Smallest sprocket 10 Not informed Not informed 10
Largest sprocket 51 Not informed Not informed 51
Drivetrain technologies Not informed belt-drive belt-drive Not informed
Cockpit
Shifting Mechanical No shifting No shifting Mechanical
Electric bicycle systems
Battery capacity 725 Wh 800 Wh 800 Wh 725 Wh
Other specifications
Tire width 2.6″ 4″ 2.6″ 4″
Wheel size 29″ 650b 29″ 650b

Other models in this family

4 models

Published versions from the same family and model year.

Tern Orox S12 (29"), by Tern

This bicycle

E-bike, Utility

Orox S12 (29")

  • Weight: 34.4 kg
  • Suspension: Rigid
Tern Orox R14 (27.5"), by Tern

E-bike, Utility

Orox R14 (27.5")

E-bike, Urban / Utility

  • Weight: 37.7 kg
  • Suspension: Rigid
Tern Orox R14 (29"), by Tern

E-bike, Utility

Orox R14 (29")

E-bike, Urban / Utility

  • Weight: 34.9 kg
  • Suspension: Rigid
Tern Orox S12 (27.5"), by Tern

E-bike, Utility

Orox S12 (27.5")

E-bike, Urban / Utility

  • Weight: 37.1 kg
  • Suspension: Rigid

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