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BC 400 (1997)
What can cause the bike computer to fail to display speed?

  • Computer is not correctly slotted into the sensor holder.
  • Casing is pushed over the spoke magnet.
  • The distance between the spoke magnet and the sensor is too large.
  • Bike computer contacts must be cleaned.
  • Sensor cable has a break.
  • Bike computer is defective.

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  SIGMA Elektro GmbH . Dr.-Julius-Leber-Straße 15 . D-67433 Neustadt/Weinstraße
 Tel. +49(0)6321-9120-0 . Fax +49(0)6321-9120-34 . info@sigmasport.com