M3 Magnet Holder

Description

The M3 Magnet Holder is a genuine Keiser M3 parts replacement designed to secure the resistance magnet assembly on select Keiser indoor bikes. This flywheel-side component fits within the Keiser M3 flywheel crank area and helps maintain proper magnetic resistance operation for smooth, consistent cycling performance.

• Compatible with Keiser M3 indoor cycling bikes using magnet holder assembly part number 550812.
• Listed in the exploded parts diagram as item #39 for applicable M3 rear-wheel bike configurations.
• Replaces OEM reference numbers reported for this style of keiser magnet holder, including 550812; some parts sources also cross-reference related numbers such as 550868, 551751, and 554500.
• Commonly selected for m3 flywheel crank parts magnet holder replacement when the original holder is damaged, disassembled, or missing during service.

This OEM Keiser part is built to match the original fit and function of the factory-installed magnet holder, making it a dependable choice for restoring resistance system alignment on your bike. As a genuine manufacturer replacement, it is intended for owners and technicians who want correct geometry and reliable performance rather than a generic aftermarket substitute. Installation is generally straightforward for experienced DIY users, though bikes that have had the magnet assembly apart may require proper calibration afterward to ensure resistance accuracy and smooth flywheel response.

OEM-quality replacement with dependable fit, easy serviceability, and fast shipping from our warehouse.

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