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  • S03+ the original
    Rough and tough for workloads and special bikes

Important Notice

Sunstar is not selling this products any longer.

We regret to announce that our company has decided to discontinue the sale of “i-Bike” …

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Rough and tough for workload and special frames

Sunstar iBike S03+ is the perfect conversion kit to create your unique E-Bike.
Our state-of-the-art electric motor unit is the lightest and only central electric drive suitable for any kind of bicycle.
Since it doesn’t need a dedicated frame, it provides the perfect solution to customise any kind of two-wheeler – turning it into a true E-Bike:

  • No special frame required – Sunstar iBike S03+ can be mounted on any kind of bicycle frame
  • Light weight electric mid motor – Sunstar iBike S03+ is the lightest electric motor unit in its category
  • Central position – The central configuration of the electric drive unit has been developed to assure the best bicycle handling and feeling
  • Mid motor and gears work together
  • Integrated sensors – Incredible feeling of power increase given by the torque sensor

Technical specifications

FeaturesDetails
Motor : 250 W; 44 Nm; DC brushless
Maximum Design Speed : 25 km/h
Weight : 3.2 kg
Support Mode : Eco (80%); Normal (100%); Turbo (150%)
Sensors :Sensor integrated torque; cadence; external speed sensor
Wheel size :Available for all wheel sizes
Sprockets :Compatible with a wide range of chain ring systems
Batteries :Frame & Rack - 24 V / 36 V; 233, 285, 408 Wh (24V); 333, 407 Wh (36 V)

  • Drive unit – S03+
  • Batteries – S03+
  • Control panel – S03+
  • Accessories – S03+
  • Download – S03+
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