Replacement Drive Belt - Compatibility: Replacement drive belt designed for Keiser M3, M3i, M3+, and M3xi indoor cycling bikes (Part No. 555406).
- Durable Construction: Made from high-quality materials to withstand intense workout sessions and frequent use.
- Simple Installation: Easy to replace the worn-out belt on your Keiser exercise bike. (See video in pictures)
- Maintains Performance: Helps keep your Keiser bike operating smoothly and efficiently.