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.