Diamondback Union 2


  • 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, steel w/chainguard
    Drivetrain Shimano Deore M610, SGS
    Shifter Shimano Deore SL-M6000, 10 Speed
    Cassette Shimano 11-32 Tooth, 10 Speed
    Chain KMC x10ePT Ebike Specific
    Front Hub Formula, Sealed Bearing, Thru Axle
    Rear Hub Formula, Sealed Bearing, Thru Axle

    Aluminium 27.5″, Black Annodized, 25mm ID, Disc Specific, 32 Hole


    27.5″ x 2.4″ Schwalbe Super Moto


    Shimano MT420, 4 Piston Front 180mm Rotor, 2 Piston Rear 160mm Rotor

    Brake levers

    Shimano MT420, 2 Finger Lever


    Aluminum Alloy

    Stem Aluminum Alloy 3D Forged
    Seat Custom Ergo Performance

    Aluminum Forged Head, 350mm

    Pedals Shoe friendly Urban design, resin body


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Diamondback Union 2

Diamondback Union 2 The Class 3 Union 2 is fully loaded to get things done. Built on a sleek aluminum frame with internal cable routing, this e-bike is powered by a Bosch Performance Line Speed motor and a Powertube 500Wh battery. The Bosch Kiox on-board computer provides ride data at your fingertips via a handlebar remote and easy-to-read color display. The Kiox is compatible with Bluetooth heart-rate monitors for the ultimate smart ebike experience. A 10-speed Shimano drivetrain fine-tunes your pedaling, while Shimano hydraulic disc brakes keep your speed under control. Wide tires on 27.5-inch wheels take the sting out of rough pavement. With built-in lights, an integrated rack, and fenders, the Union 2 lets you cut through city traffic with ease and confidence.

Components subject to manufacturer changes

Motor System

Motor Bosch Performance Speed, 85Nm Torque, 28mph
Battery Bosch PowerTube 500
Display Bosch Kiox



Ergo comfort control

Fenders Aluminum structural extrusion
Reack rack Included
Lights Lezyne
Kickstand rear mounted


Medium 5’7″ – 5’10”
Large 5’10” – 6’1″
X-large 6’1″ – 6’4″

Large, Medium, x-Large


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