Free Shipping Available!


Mon-Fri 9am-5pm Eastern

Diamondback Union 1 Electric Bike

✓ #1 Authorized Diamondback Retailer
✓ Lowest Price Guaranteed!
FAST & FREE Shipping
Delivery: 5-7 Business Days
✓ Questions? Talk to a Diamondback Expert: 1-877-347-5283

Your Price:

Checkout Secure
Checkout Secure

Diamondback Union 1 Electric Bike

Warehouse Clearance Sale - 1 Unit Left!

Diamondback electric bike are firmly know as the premium ebike brand for users looking for the newest and highest quality ebike components on the market. With an in frame battery, the Diamondback Union 1 disguises it's electric nature and boasts a traditional road bike style with it's streamline tires and aluminum framework. 

Additional upgraded features of the Union series include a faster charger by Bosch, Bosch system cranks, a custom ergo performance seat and brakes by Tektro (M735, 4 Piston Front 180mm Rotor, 2 Piston Rear 160mm Rotor). This electric bike has an onboard display to monitor your ride mode, speed and charge. With a 10-speed Shimano gear system, instead of 7 or 8-speed like most PAS electric bikes, the Union 1 allows the rider to fully tailor the resistance of their motor power. The 350W Bosch motor is water resistant and as quiet as can be. 

0% Financing available with Affirm and a premium model recommended to all our EBC riders.

Diamondback Union Series

Product Specifications

  • FRAME: Formed 6061 T6 Oversize Aluminum Alloy Thru Axle Dropout, Disc Brake Specific, Powertube Integrated Battery
  • FORK: Formed 6061 T6 w/ Integrated Crown, Disc Brake, Thru Axle
  • HEADSET: Integrated, Sealed Bearing
  • CRANKS: FSA Forged Aluminum for Bosch System
  • SPROCKET: FSA Forged Spider, 42 tooth w/chainguard, steel
  • REAR DERAILLEUR: Shimano Deore M610, SGS
  • SHIFTER: Shimano Deore SL-M6000, 10 Speed
  • COGSET: Shimano, 11-32 tooth, 10 Speed
  • CHAIN: KMC x10e EPT, Ebike Specific
  • FRONT HUB: Formula, Sealed Bearing, Thru Axle
  • REAR HUB: Formula, Sealed Bearing, Thru Axle
  • SPOKES: Black w/Silver Nipples
  • RIMS: Aluminum 27.5", Black Annodized, 25mm ID, Disc Specific, 32 Hole
  • TIRES: 27.5" x 2.4" Schwalbe Super Moto
  • BRAKE LEVERS: Tektro M735, 2 Finger Lever
  • PEDALS: Shoe Friendly Urban Design, Resin Body
  • HANDLEBAR: Aluminum Alloy 3D Forged
  • GRIPS: Ergo Comfort Control
  • STEM: Aluminum Alloy 3D Forged
  • SEAT: Custom Ergo Performance
  • SEATPOST: Aluminum Forged Head, 350mm
  • EXTRAS: Aluminum Structural Extrusion Fenders, with Integrated Rear Rack, Rear Mounted Kickstand
  • TAPE*
  • BATTERY: Bosch PowerTube 400
  • CHARGER: Bosch 4A
  • MOTOR: Bosch Performance Line Speed, 85Nm Torque.
  • DISPLAY: Bosch Purion
  • RANGE ESTIMATED: 35mi/56km to 55mi/89km
  • BRAKES: Tektro M735, 4 Piston Front 180mm Rotor, 2 Piston Rear 160mm Rotor.

Shipping & Returns

  • All orders are processed in 1-2 working days and shipped accordingly. 
  • All orders are shipped by courier (UPS/Fedex etc). 
  • Free shipping on all USA orders. 
  • 5 year warranty on all manufacturers defects.
  • Any returns without an attempt to repair a manufacturers defect will be subject to return and restocking fees. 
Added to cart!
FAST & FREE Shipping Available! | Authorized Dealer Secure Checkout FREE Shipping on all USA Orders. Offer ends in You Have Achieved Free Shipping All orders are processed the following business day and with Free Shipping on all orders. Free Shipping Available! XX