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The Full Scoop on the Diamondback Response
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The Class 3 Union 1 gets 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 integrated 400Wh battery. The Bosch Purion on-board computer lets you focus on the important things with a minimalist design but the data you need at the touch of a button. A 10-speed Shimano drivetrain fine-tunes your pedaling, while Tektro 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 1 lets you cut through city traffic with ease and confidence.
- Components subject to manufacturer changes
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Motor Bosch Performance Speed, 85Nm Torque, 28mph Battery Bosch PowerTube 400 Display Bosch Purion -
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 Rims Aluminium 27.5″, Black Annodized, 25mm ID, Disc Specific, 32 Hole
Tires 27.5″ x 2.4″ Schwalbe Super Moto
Brakes Tektro M735, 4 Piston Front 180mm Rotor, 2 Piston Rear 160mm Rotor
Brake Levers
Tektro M735, 2 finger lever Handlebar Aluminum Alloy 3D Forged
Stem Aluminum Alloy 3D Forged, +/-7 Degree Seat Custom Ergo Performance Seatpost Aluminum Forged Head, 350mm
Pedals Shoe friendly Urban design, resin body -
Grips Ergo comfort control
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Medium 5’7″ – 5’10” Large 5’10” – 6’1″ X-large 6’1″ – 6’4″
Additional information
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