Tern Orox S12

$4,999.00 $6,499.00
by Tern
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Pickup currently unavailable at 18227 Bothell Way Northeast

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What makes it an S12?

  • Shimano Deore XT 1 x 12-speed groupset for fast and precise shifting 
  • 27.5" stud-compatible Vee Snowball tires take on even the toughest conditions

Orox highlights

  • Hill-attacking Bosch Performance Line CX motor provides up to 85 Nm of torque and 340% support 
  • Dual-battery system draws from up to two batteries for ultra-long range
  • Bosch Smart System with ConnectModule lets you access and control advanced functions like eBike Alarm and eBike Tracking
  • Splash and dust-proof Kiox 300 color display with LED remote for intuitive control
  • Powerful and responsive Magura 4-piston hydraulic brakes 
  • EFBE-certified safe and reliable for massive hauls, with a Max Gross Vehicle Weight of 210 kg (462 lb) on pavement and 180 kg (397 lb) off-road
  • Two frame sizes to fit riders 155 - 195 cm (5’1” - 6’5”) tall, weighing up to 130 kg (286 lb)
    Motor Bosch Performance CX, max speed 20 mph (US)
    Battery 725 Wh or 800 Wh, Bosch Dual Battery pack ready
    Display Bosch Kiox 300 w/ LED remote, electronic bike lock
    Charger 100-240V, 4A (US)
    Frame Tern Orox, 6061-AL, patented design, EFBE tested and approved
    Fork Atlas X, butted chromoly steel, EFBE tested and approved
    Rear Shock Not applicable
    Front Brake Magura MT5, 4-piston hydraulic disc, 203 mm rotor
    Rear Brake Magura MT5, 4-piston hydraulic disc, 203 mm rotor
    Rear Derailleur Shimano Deore XT Shadow+
    Shift Levers Shimano Deore, 1 x 12 spd
    Chain KMC 12 spd, for eBike, EPT corrosion resistant coating
    Cassette EL:Shimano 10-51T, 12 spd
    Crankset Tern Orox custom
    Chain Ring Spec not provided
    Chain Guard Custom Bash Guard
    Rims Tern Atlas X, custom doublewall construction
    Front Hub Tern Atlas X, CNC body, disc cooling fins, Boost Thru-Axle, integrated Tern Tool with 5mm hex/T20 Torx
    Rear Hub Tern Atlas X, CNC body, disc cooling fins, Boost Thru-Axle, Syntace X-12 standard
    Front Tire Vee Snow Ball, 27.5 x 4 or Schwalbe Johnny Watts 27.5" x 4"
    Rear Tire Vee Snow Ball, 27.5 x 4 or Schwalbe Johnny Watts 27.5" x 4"
    Handlebar Level Nine, AL-7050, 800 mm, riser, eMTB approved
    Stem Level Nine, 45 mm (M), 65 mm (L), Syntace VR-3 certified
    Headset FSA, 1.5", angular contact bearings
    Grips Ergon
    Saddle Ergon SM, E-Mountain Sport, CrMo Rail
    Seatpost Syntace P6 AL7050, 34.9 mm, Syntace VR-3 SP-approved
    Pedals MTB, non-slip
    Front Light Ignis Headlight, Ultra wide 700 lumens, Hi/Lo Beam
    Rear Light LED w/ G-Sensed Brake Light
    Kickstand Atlas Kickstand XL Cargo ready
    Rear Carrier Atlas X, 100 kg (220 lb) capacity
    Fenders Aluminum, heavy duty construction, oversize stays, 27.5"
    Bell Pitch Plus, brass

    FRAME SIZE:: Medium, Large

    WEIGHT::Medium, 74.5lb

    GEAR INCHES::18" - 96"

    DISTANCE, SEATPOST TO HANDLEBAR::M: 24 - 26 in ;L: 26.4 - 28.7 in

    DISTANCE, SADDLE TO PEDAL::M: 28 - 39 in ;L: 30.1 - 41.1 in

    SUGGESTED RIDER HEIGHT::M: 61 - 72.8 in ;L: 65 - 76.8 in

    MAX GROSS VEHICLE WEIGHT::On road: 463lb.; Off road: 396.8lb.


How do you know what size of bike you should buy?

A good place to start is using the sizing charts included for each bike on the info page. If you're in the middle of the recommended height range for a specific size then usually that's the correct one to go with. If you find yourself overlapping sizes at either the top or bottom of the height recommendation than sizing up or down could be a consideration.

For more relaxed fitting "city-style" bikes sizing is less crucial because often they will have adjustable stems and offer more overlap in sizing. Smaller bikes will be slightly easier to manage when starting and stopping while larger bikes will feel more stable when riding. Most often we recommend sizing down in this category.

Bikes that have a more aggressive riding position i.e. road, gravel and mountain bikes sizing is more important. In these categories we usually look closely at 3 numbers, reach, stack, and top-tube length.

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