Tern Orox S12 Review: A Powerful E-Cargo Bike for Adventure

The Tern Orox S12 is a powerful e-cargo bike designed for long distances, heavy hauling, and tackling tough terrain. It boasts a robust build, high-performance components, and impressive range, making it a compelling option for adventurous cyclists and those seeking a capable cargo hauler.  

Features

• Bosch Performance Line CX Motor: Delivers up to 85Nm of torque and 340% support for effortless climbing and hauling.  
• Dual Battery Option: Extend the range to a potential 200 miles with an optional second battery.
• High Payload Capacity: Carries up to 380 lbs on pavement and 314 lbs off-road.
• Wide Tires: 27.5 x 4″ Schwalbe Johnny Watts tires provide excellent grip and comfort on various terrains.  
• Hydraulic Brakes: Magura MT5 4-piston hydraulic disc brakes ensure confident stopping power.  
• Shimano Deore XT Drivetrain: 1×12 drivetrain offers smooth and reliable gear changes.  
• Large Cargo Capacity: Front and rear racks handle significant loads, and various Tern accessories further enhance cargo options.  
• Bosch Kiox 300 Display: Provides comprehensive ride data and allows for customization of pedal assist settings (with Bosch Flow App).  
• Adjustable Frame Size: Available in medium and large to fit riders from 5’1″ to 6’5″.
• Professional Assembly: Every Orox S12 is assembled by a certified Tern dealer or Bosch retailer.

Pros

• Powerful and capable: Handles hills, heavy loads, and rough roads with ease.
• Long range: Offers excellent range with the option to double it with a second battery.
• Versatile: Adapts to various needs with its customizable cargo options and accessory compatibility.
• Comfortable ride: Wide tires and well-designed geometry provide a comfortable ride experience.
• High-quality components: Equipped with premium components for long-lasting performance.
• Advanced technology: Bosch Kiox 300 display and Bosch Flow App integration offer a wealth of features.  
• Professional assembly: Ensures the bike arrives ready to ride.

Cons

• Heavy: Weighs 83 lbs, making maneuvering and storage challenging.
• Expensive: The base model starts at $6,500, putting it out of reach for many riders.
• No throttle: Relies solely on pedal assist for power.

Who It’s Good For

• Cyclists seeking a powerful e-cargo bike for long-distance adventures and hauling heavy loads.
• Riders who plan to tackle challenging off-road terrain.
• Those who prioritize comfort and a smooth ride on various surfaces.
• Cargo haulers needing a robust and versatile e-bike for daily errands or commercial use.

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Specifications

Feature	Specification
Price	Starting at $6,500
E-Bike Class	Class 1 (Max speed 20 mph)
Rider Height	5’1″ – 6’5″ (Medium & Large Frames)
Motor	Bosch Performance Line CX, 250W
Battery	Bosch 725 Wh, Dual Battery Option Available
Display	Bosch Kiox 300 with LED remote
Brakes	Magura MT5, 4-piston hydraulic disc brakes
Drivetrain	Shimano Deore XT Shadow+ 1×12
Tires	Schwalbe Johnny Watts 27.5 x 4″
Weight	83 lbs
Payload Capacity	380 lbs (pavement), 314 lbs (off-road)

Reported Testing

• Range: Achieved 78.93 miles in Eco mode and 36.28 miles in Turbo mode on a single battery charge (claimed range up to 100 miles).
• Hill Climb: Climbed a 12% grade hill in 1:37 minutes with pedal assist only.
• Braking Distance: Averaged 18’3″ stopping distance in brake tests.

Ride Quality

Despite its hefty weight, the Orox S12 delivers a surprisingly comfortable ride. The wide tires absorb bumps and vibrations well, and the bike’s geometry offers a confident and stable riding position. While it lacks suspension, the frame’s design and tire choice provide a good balance between utility and comfort.

Bosch Flow App

The Bosch Flow App takes the Orox S12’s functionality to a new level. It offers features like:

• AI-powered Range Control: Optimizes power usage to reach your destination with the desired battery level.
• eBike Lock: Secure your bike using your smartphone as a key.
• eBike Alarm: Deters theft with a loud alarm.
• GPS Tracking: Locate your stolen bike if it’s connected to the app.
• Navigation: Get turn-by-turn navigation on your bike’s display.
• Ride Data: Track your rides, including distance, speed, and elevation.
• Customizable Pedal Assist: Adjust pedal assist levels to suit your riding style and terrain.

Should You Buy the Tern Orox S12 Electric Cargo Bike?

The Tern Orox S12 is an exceptional e-cargo bike that excels in both performance and versatility. It’s a great choice for riders who prioritize range, power, and cargo capacity. However, its high price tag and heavy weight may be drawbacks for some.

If you’re looking for a more budget-friendly option with similar capabilities, consider the Fucare Gemini. It offers a powerful motor, long range, and a comfortable ride at a more affordable price point.

For those seeking a lightweight and agile e-bike with a focus on off-road performance, the Rad Power Bikes RadRover 6 Plus is an excellent option. It features fat tires, a powerful motor, and a comfortable riding position, making it ideal for tackling challenging trails.

Ultimately, the best e-bike for you will depend on your specific needs and budget. Carefully consider your riding style, terrain, and cargo requirements before making a decision.