Jupiter Bike Defiant ST – Step Thru


Explore more with the new Jupiter Bike Defiant ST Step Thru featuring a low step over frame, improved throttle control, making it one seriously portable and powerful all-terrain adventure bike.



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  • Wheel: 20″ x 4″ Rims
  • Max Speed: 20 mph / adjustable to 28 mph
  • Max Range: 50 miles (Longest Range of all Defiant Models)
  • Lithium Ion Battery: 48V 13.2Ah
  • Suspension: Front & Rear
  • Drivetrain: 7 Speed
  • Geared Hub Motor: 1130W (Peak) 750W (Sustained)
  • Throttle Control: Thumb
  • Derailleur: Shimano Altus w/ Paddle Shifter
  • Brakes: Hydraulic
  • Fenders: Full City Style
  • Grips: Leather
  • Rear Rack: MIK Compatible Included