Garmin Tacx Bike Support for Roller. This support secures the front of your bike to a Tacx Galaxia or Antares trainer providing security for a ride of any distance. Features of Garmin Tacx Bike Support for Rollers Manually controlled trainer features 10 resistance levels Easily locks into place for a steady ride Virtually silent flywheel lets you ride without disturbing others 2.75 lb (1.25 kg) flywheel simulates the feel of riding outdoors Sturdy design allows for a maximum sprint resistance of 700 watts Package Contents: Garmin Tacx Bike Support for Rollers Garmin T1150: Tacx Bike Support for Roller