Cycling expert Jared recommended it to a customer 1 day ago
Product image 1
Product image 2
Product image 3
Product image 4
Product image 5
Diamondback Union 1 Electric Bike · Onyx Matte · XL

Diamondback Union 1 Electric Bike · Onyx Matte · XL

14% off
Color: Onyx Matte
Wheel size
27.5 in
Selling Fast!
This item has only a few units left in stock
Is this electric bike right for you?

Get fast, free advice from an expert

Ask a cycling expert a question about this product

  • What's a more premium option?
  • What should I compare this to?
  • Is this right for me?
  • What's a cheaper option?
  • Can you show me more like this?
  • Ask your own question
Product details

The Diamondback Union 1 is perfect for any beginner to advanced urban rider who is looking for their first e-bike or an upgrade. With a Bosch mid-drive e-assisted motor, the Union 1 is powerful and reliable. Handling akin to a lightweight motorcycle and built to haul cargo, the rear triangle and front fork have eyelets for racks to hold groceries, backpacks, or pizza. Built to withstand heavy riding, the geometry is comfortable yet assertive for confidently navigating dense urban traffic.

Key Features:

  • Mid-Drive Motor – The Bosch Performance Line Speed motor provides 85Nm of torque up to 28mph.
  • Thu-Axle Design – A rare feature on e-bikes, thru-axles improve the strength and dependability of the entire bike.
  • Long Range – Rated for 35-50+ miles of urban riding, the Union 1 is rated for hours of use.
Bike type
City & Recreation
Bike frame material
Electric bike class
Class 1 - Pedal assist up to 28 mph
Electric bike motor type
Bottom bracket mounted
Electric bike battery
Bosch PowerTube 400
Age Group
Unisex, Men's, Women's
Formed 6061 T6 Oversize Aluminum Alloy Thru Axle Dropout, Disc Brake Specific, Powertube Integrated Battery
Brake type
Hydraulic Disc
Tektro M735, 4 Piston Front 180mm Rotor, 2 Piston Rear 160mm Rotor
Number of gears
Suspension type
No suspension
Formed 6061 T6 w/ Integrated Crown, Disc Brake, Thru Axle
Aluminum Alloy 3D Forged
27.5" x 2.4" Schwalbe Super Moto
Model year
Battery capacity
Diamondback Union 1 Electric Bike · Onyx Matte · XL
Recommended by Curated experts

Is this right for you? Chat with an expert to learn more about this product, compare it with similar options and get personalized recommendations

Would an expert recommend this for you? Find out now!