Durable nylon construction for long service life and dependable operation on your ebike. This 36T gear with bearings for motors provides reliable performance and helps ensure smooth operation of related components. Precise compatibility and dimensions. The part measures approximately 47.5 x 13.5 mm, with a bearing inner diameter of 8 mm and a weight of about 20 g. These exact specifications help prevent fit issues when installing on compatible hub motors. Planetary gear system design for efficient power transfer. Used as part of the motor planetary gear system, this gear delivers efficient power transfer and smooth operation. The integrated bearings reduce friction for a quieter ride and improved motor performance. Easy installation and replacement. Designed as a direct replacement part for motor systems, this gear installs with minimal effort. Replacing worn gears with these specification components helps keep your ebike running at peak performance. Use scenarios Replacing a worn gear in a compatible hub motor to restore smooth operation and reduce noise during daily commutes. Performing routine maintenance on a motor system that uses a 36T gear with bearings to maintain efficiency and performance. Upgrading or refreshing a motor assembly in ebike models that specify an 8 mm bearing inner diameter for or replacement gears.