Suitable for rotary hubs

5-speed gears: 14-17-21-24-28T

6-speed gears: 14-16-18-21-24-28T

7-speed gears: 13-15-17-19-21-24-28T

8-speed gears: 13-14-15-17-19-21-24-28T

             13-15-17-19-21-24-28-32t

9-speed gears: 13-14-15-17-19-21-24-28-32T

10-speed gears: 11-13-15-17-19-21-23-25-28-32T

               11-13-15-17-19-21-24-28-32-36t

11-speed gears: 11-13-15-17-19-21-23-25-28-32-36T

The spinning flywheel is locked in place by threads and the mounting post is a hollow shaft.
Tightly screwed-in threads prevent ratchet teeth from yawing with less wobble clearance
Pre-purchase notice
If your chain riding time is too long, it is recommended not to replace the new flywheel randomly. Replacing the new flywheel may have the phenomenon of jumping teeth and chain, affecting normal riding.
Solution
Method 1: Replace the old flywheel and chain together.
Method 2: Ride for a period of time under the condition of jumping teeth and chain grips, the length of the break-in time will be decided according to the wear of the chain.