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Diamondback Adult Current vs. Union 2 Electric Bike Review

Diamondback Adult Current vs. Union 2 Electric Bike Review

Diamondback Current

The Diamondback Current is a versatile dropbar e-bike suitable for city streets and backroads. It features wide handlebars and 40mm Maxxis tires, allowing for light gravel and dirt road riding. Equipped with a class-3 Bosch Performance Line motor, it delivers impressive power with a maximum assisted speed of 28mph, resulting in a fast and enjoyable ride. 

Diamondback Current Electric Bike


  • Frame: 6061 Aluminum with thru-axle aluminum fork
  • Shifters, drivetrain, and hydraulic brakes: Shimano GRX
  • Motor: Bosch class-3 Performance Line Speed
  • Battery: Bosch PowerTube 500
  • Handlebars: Wide and flared
  • Tires: 700x40C
  • Price: $4,100
  • Weight: 47.7lbs (58cm)

Diamondback Current electric bikes handle a variety of terrain, making them a great choice for anyone searching for a versatile electric bike. The upright seating position makes it ideal for long rides. On both paved and unpaved surfaces, the 700x40c tires provide good traction. With its Bosch Performance Line Speed motor, the Current is capable of speeds up to 28 mph. The battery is integrated into the downtube, and it provides up to 50 miles of range on a single charge. 

Diamondback Union

The Diamondback Union 2 is a speedy bike designed for distance and speed, featuring the Class 3 Bosch Performance Speed motor. It handles exceptionally well at high speeds and loves fast corners. Despite its weight, the bike's heft actually benefits its handling. The gunmetal grey frame with yellow accents adds a stylish touch. With a low center of gravity and wide Schwalbe Super Moto tires, it offers a smooth ride. The Union 2 is fully rigid without suspension, prioritizing speed and efficiency.

Diamondback Electric Union 2

The Union 2 features the powerful Bosch Performance Speed motor with a 500Wh battery, providing a solid range. With up to 85Nm of torque, this motor can propel the bike up to 28 mph effortlessly. Even on eco mode, the lowest pedal assist setting, the Union 2 climbs hills with ease, performing like a much lighter bike.

The battery is also integrated into the downtube, and it provides up to 60 miles of range on a single charge. The Union does not come with as many features as the Current, such as a rack or fenders, but it is a lighter and more agile bike.

Which one is right for you?

The Diamondback Current and Diamondback Union are both great electric bikes, but they are designed for different purposes. The Current is a more versatile bike that can handle a variety of terrain, while the Union is a more performance-oriented urban electric bike that is ideal for riding on pavement. If you are looking for an electric bike that you can use for commuting, running errands, and exploring, the Current is a great option. If you are looking for an electric bike that you can use for speed and performance, the Union is a great option.

Here is a table that summarizes the key features of the two bikes:

Feature Diamondback Current Diamondback Union
Motor Bosch Performance Line Speed Bosch Performance Line Speed
Top speed 28 mph 32 mph
Battery life Up to 50 miles Up to 60 miles
Weight 46 pounds 42 pounds
Price $4,100 $4,500

Ultimately, the best way to decide which bike is right for you is to test ride both of them.

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