The Diamondback Union 1 eBike is a commuter e-bike for frequent riders who love any excuse to hop in the saddle. With a 350w Bosch Performance Line Speed Motor that applies assistance up to 28mph, a Shimano 10-speed drivetrain that finds the sweet spot in a range of terrain and Tektro hydraulic disc brakes that provide enough stopping power in any conditions, this bike is designed to thrive. The sleek Powertube design keeps the battery out of sight while the rear rack provides gear storage for longer days of riding. If you're the kind of biker who likes all the fun of the wind in your helmet vents with less of the leg strain, this bike is ready to adventure alongside you. Features of the Diamondback Union 1 eBike 350W Bosch Performance Line Speed Motor For Powerful Pedal Assistance Bosch Powertube 400Wh Battery Provides Up To 55-Mile Range Tektro M735 Hydraulic Disc Brakes For Maximum Stopping Power in Any Conditions Shimano Deore 10-Speed Drivetrain Offers Smooth, Reliable Shifting Integrated Rack, Fenders and Lights Make Getting Around Town Easier, Cleaner and Safer Frame: Formed 6061 T6 Oversize Aluminum Alloy Thru Axle Dropout, Disc Brake Specific, Powertube Integrated Battery Fork: Formed 6061 T6 With Integrated Crown, Disc Brake, Thru Axle Headset: Integrated, Sealed Bearing Cranks: FSA Forged Aluminum For Bosch System Sprocket: FSA Forged Spider, 42 Tooth With Chainguard, Steel Rear Derailleur: Shimano Deore M610, SGS Shifter: Shimano Deore SL-M6000, 10 Speed Cogset (Cassette/Freewheel): 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 With Silver Nipples Rims: Aluminium 27.5in., Black Annodized, 25mm ID, Disc Specific, 32 Hole Tires: 27.5in. x 2.4in. Schwalbe Super Moto Brakes: Tektro M735, 4 Piston Front 180mm Rotor, 2 Piston Rear 160mm Rotor 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 Aluminum Forged Head, 350mm Extras: Aluminum Structural Extrusion Fenders, With Integrated Rear Rack, Rear Mounted Kickstand Motor: Bosch Performance Speed, 85Nm Torque, 28mph Battery: Bosch Powertube 400Wh Display: Bosch Purion Max Assisted Speed: 28mph Range Estimated: 35mi/56km To 55mi/89km