Main Belt Cover M3+

Description

Main Belt Cover M3+ is the OEM outer guard that shields the drive belt area on select Keiser indoor cycles. Designed for the Keiser M3+, this black cover helps protect internal flywheel and crank components while restoring the clean factory look riders expect from premium keiser m3 replacement parts.

• Fits Keiser M3, M3+, and M3i indoor bike models using OEM part number 555051B.
• Direct replacement for worn, cracked, or missing main belt covers in the flywheel/crank area.
• Commonly referenced as an m3+ flywheel crank parts main belt cover replacement for commercial studios and home fitness bikes.
• Black factory-style finish matches original equipment appearance and fit.

This Keiser main belt cover is an original manufacturer replacement part built to fit the bike’s main belt housing without modification. It serves as the external protective cover for the belt drive zone, helping keep moving parts shielded from incidental contact, dust, and normal gym debris. OEM part number 555051B is typically identified as the main belt cover used on compatible M3-series bikes. Installation is generally straightforward for technicians and capable DIY owners, especially when replacing a damaged existing cover with the same part number. As an OEM Keiser component, fit, finish, and mounting alignment are designed to match the original assembly.

Choose this OEM-quality replacement for dependable fit and easy service on your Keiser bike. Ships same day from our warehouse.