Bionix Prime Fit Exercise Bike Manual -

Look at the (where it meets the bike frame). If you see a black knurled ring (about 2 inches wide) with three small dimples—that’s the friction-fit locking collar. Most spin bikes just have a smooth metal cap.

Disclaimer: This guide is a supplement to the official Bionix Prime Fit Exercise Bike Manual. Always refer to the original manufacturer documentation for model-specific details, warranty terms, and repair procedures. Bionix Prime Fit Exercise Bike Manual

If you have missing parts or require further assistance, please contact Bionix customer service. Look at the (where it meets the bike frame)