Garmin Tacx ANT+ Antenna for Indoor Trainer

Get the benefits of smart training with this compact antenna with ANT+ connectivity. As you ride, the antenna will transmit data to your favorite third-party apps such as Zwift and TrainerRoad. This lets you access data on your preferred app, and with the transmitter, you can even control a compatible smart trainer right from your phone, tablet or computer. Only used once - no issues just upgraded to a smart trainer.