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Belt Tension Adjustment: Alpha II, Centauri II, Centauri SE, Slice LiteUpdated a month ago


Pro Tips for Adjusting Your Belt Tension:

  • This procedure applies to the Alpha II, Centauri II, and Centauri SE! The ebike in the demonstration video is the Alpha II.
  • The dropout plates must only be loosened slightly to move forward or backward.
  • Adjust each side evenly to ensure the rear wheel remains aligned in the frame.
  • Once you tighten the dropout plates, bottom out the adjuster bolt by turning it clockwise until it's snug against the plate.
  • If you hear rubbing from the disc rotor after adjusting the belt tension, you may need to adjust the brake caliper. 
  • A misaligned belt is dangerous and can break! If your belt makes excessive noise, such as clicking, popping, or grinding, double-check the wheel alignment and adjust until the belt and wheel spin freely. 
  • The belt tension measurement is an average of four readings taken throughout one full crank rotation. 
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