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Cycle Monkey

Internal Gearing Specialists, Bicycle Distribution & Service Center

SineWave Reactor USB Charger

USB Chargers from SineWave Cycles use power created by a dynamo hub to charge phones, gps, cache batteries, lights, and more. Keep your electronic device(s) from running out of power on a ride! Great for commuting, touring, and bike packing adventures.

Reactor is available in 3 colors (black, silver, red) which match the hubs from Rohloff and Schmidt. See dynamo hub pages for compatible hubs from Shutter Precision and Schmidt.

Must be paired with a dynamo like those from Shutter Precision or Schmidt, also available from Cycle Monkey.


  • Best in class efficiency
  • High Speed Overload Protection
  • Simple Installation
  • Shock and vibration toughened
  • Waterproof
  • Gold-plated USB connector won't rust or corrode


  • Starts charging at 3.5 MPH (5.5 km/h)
  • Full charging at 9 MPH (14.4km/h)
  • Max current: 1 Amp
  • Works with DC input up to 52V
  • Stack height: 9.8mm
  • Wire length: 36" (91 cm) (contact us if your setup requires a longer wire)
  • Wire ends: Stripped wire (for hub connection), Reactor pins