Home > Generic Treadmills > Sole Fitness Treadmill Rectangular Speed Sole Fitness Treadmill Rectangular Speed Sensor, F030191 Easy Installation.. Screw drive required. If your belt moves a few seconds then stop, buy this part. If your belt does not move dont buy this part. Price: $25.99 Note: Prices on some products change frequently. To see more details, check the latest price, or to purchase, please visit the link below: