The mountain bike flywheel is one of the parts of the mountain bike, there is no thread buckle, directly on the cassette drum. In addition, after using the mountain bike, it also needs to be well maintained.

Now the mountain bike flywheel, no matter how many pieces, is installed on the base of the rear flower drum, and locked with the flywheel cover. The splines on the base ensure that the variable speed bevels of the flywheel blades are aligned according to the manufacturer's design. The ratchet device of the drum is located inside the base. Therefore, the flywheel can be removed without opening the flower drum. When removing the mountain bike flywheel, it is necessary to use a special flywheel removal tool and loosen the flywheel cover with a chain flywheel fixed wrench. Although removing the flywheel is not part of routine maintenance, it does make the drivetrain easier to clean.