Our dynamic cycling belt drive disc is an essential component for your indoor exercise bike. Designed for smooth and silent operation, this belt drive disc ensures a seamless workout experience. Whether you're engaging in a high-intensity Exercise session or a steady endurance ride, this part ensures consistent performance. Easy to install, it fits perfectly into your stationary bike, making it an ideal replacement or upgrade for your fitness equipment. Features -Color:Black -Material:ABS -Size:19.90X2.00X2.00cm/7.82X0.79X0.79in -Durability: the belt drive disc is designed to be durable, ensuring it won't easily get even with regular use, providing performance -Smooth transmission: ensures a smooth and efficient motion transmission, allowing for a seamless and enjoyable indoor cycling experience -Safety and comfort: humanized design offers a comfortable workout experience while ensuring safety, making it ideal for all users -Versatility: this multifunctional accessory is compatible with various indoor cycling bikes, catering to different exercise needs and preferences -Enhanced workout: using this accessory can significantly improve your workout results, helping you achieve better fitness outcomes and Package list: A belt drive pulley