Bumper

Description

The Keiser M3 Bumper is a small but important keiser m3 parts component designed to cushion contact and protect moving hardware within the flywheel and crank area of select Keiser indoor cycles. This replacement bumper is made for equipment in the Keiser M3 flywheel crank parts assembly where a worn stop can lead to extra noise, vibration, or premature wear.

• Compatible with Keiser M3 indoor cycling bikes using flywheel/crank hardware that accepts bumper part 105423-M3.
• Commonly used as an m3 flywheel crank parts bumper replacement when the original molded glide shows cracking, flattening, or wear.
• Fits applications within the Keiser M3 crank and flywheel area; always verify your model and existing part number before ordering.
• Ideal for service technicians, gyms, and home users maintaining older or high-mileage M3 bikes.

This keiser bumper is a molded replacement part built to provide a durable contact surface in the bike’s drive-area assembly. Its compact design helps absorb repeated impact and reduce metal-to-metal contact during operation. As a direct replacement for part number 105423-M3, it is intended to restore proper fit and function without complicated modifications. Installation is generally straightforward for users already familiar with Keiser service access, and most repairs require only basic hand tools. Be sure to compare your existing bumper’s shape and mounting location before installation for the best match.

Count on this OEM-quality replacement for dependable fit, smooth operation, and easy DIY installation from our warehouse.

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