【Junk】POLAR CS200 Cycle Computer Body, Sensors, and Manual. - Brand: POLAR - Model: CS200 - Accessories: Sensors - Manual: Yes - Condition: Junk Purchased around 2010-2012. Used on two bikes. Stored for several years after removal. The square-type sensor is compatible with the CS200 and was purchased used. The cycle computer was replaced with a different one, so it was stored for several years after removal. The plastic parts of the main unit are deteriorated. The back cover of one of the main units is stuck and won't open. The sensor batteries may be dead. Please understand the condition and purchase for parts or repair purposes. Instant purchase is welcome. Thank you for viewing.