Keiser M3 Flywheel

Description

The Keiser M3 Flywheel is a genuine replacement flywheel designed to restore smooth, consistent performance on your indoor cycle. Ideal for owners searching for dependable keiser m3 parts, this flywheel fits the original Keiser M3 bike flywheel and crank assembly used on select M Series indoor bikes.

• Replaces Keiser flywheel part number 555003.
• Used on the Keiser M3 indoor bike and shown in Keiser parts documentation for M3-series units.
• Also referenced in M Series parts inventories and exploded-view diagrams as the main flywheel component in the crank area.
• A smart choice when servicing worn or damaged M3 flywheel crank parts or completing a Keiser flywheel replacement during a full drivetrain rebuild.

This factory-style flywheel is engineered to match the fit and function of the original component, helping maintain the quiet ride and precise feel Keiser bikes are known for. Part 555003 is the flywheel itself, intended for use with the surrounding hub, crank, and guard components already installed on your bike unless those items are being replaced separately. As an OEM replacement, it offers the correct balance, mounting compatibility, and durability expected for commercial or home use. Installation is best suited for users comfortable working on bike internals, though experienced DIY owners can handle this Keiser flywheel replacement part with the proper tools and careful alignment.

OEM-quality replacement with dependable fit, smooth operation, and fast shipping from our warehouse.

Shop the full range of Keiser M3 spin bike parts at Krislynn.