Knob (M3 Bicycle)

Description

The Knob (M3 Bicycle) is a genuine-fit adjustment handle designed for select Keiser indoor cycles, helping restore secure seat positioning and smooth day-to-day setup changes. If you are sourcing dependable keiser m3 parts, this small but essential component is made for the Keiser M3 platform and related flywheel crank assembly applications.

• Compatible with Keiser M3 indoor cycling bikes using OEM part number 550810.
• Commonly referenced as the SA-KNOB or seat-adjust T-knob for M3 bikes.
• Used for seat position adjustment on many M3 units, including both front-to-back and up-and-down seat setting points.
• A practical m3 flywheel crank parts knob replacement when the original handle is cracked, stripped, missing, or difficult to tighten.

This replacement knob is built to match the fit and function expected on Keiser commercial indoor bikes, making it a smart choice for home users, studios, and facilities maintaining older M3 cycles. Part number 550810 is widely identified as a T-style adjustment handle for seat positioning, giving riders a firm grip for quick changes between workouts. Whether you are replacing a worn keiser knob or refreshing high-use studio equipment, this part offers the dependable threading and handling needed for everyday use. Installation is typically straightforward and well suited to an easy DIY repair with basic tools.

OEM-quality replacement for your Keiser bike, with easy installation and fast shipping from our warehouse.

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