Used Spinning® BIO HR™ Wireless Computer Some Things Not included (See Description) Tee Ball White paint is starting to 320455.0090 Wmn 6.5 Wht Blk White paint is starting to peel They are made with a lightweight The easy to read Countdown Timer: Can be set for distance or time Heart Rate Monitor: The cycling heart rate monitor features a strap coded specifically for each individual computer Wireless Cadence Sensor: For accurate tracking of revolutions per minute Batteries Included: For all components Automatic Start Stop: The monitor automatically starts when exercise begins and turns off 4 minutes after exercise stops Missing Items: 2 AAA Batteries Magnet Round handlebar mount 2 Zip Ties Not Included