Check the listing for details. TRX 400EX Lightened Flywheel Honda TRX400EX 99-14 Performance Race. Condition: Remanufactured. Listed at 155.00 USD. Flywheels Faster rev Faster recovery out of corners Faster start Faster whole shot Engine won’t bog as easy climbing Frees up some hp This is a Honda TRX400EX lightened flywheel. Simply remove your old Flywheel and replace with this performance unit. Faster acceleration, increased transfer of power to the rear wheel, and better engine braking. The Flywheel is lightened according to our specs and has as much material taken off to stay within safe limits to avoid any failures at high rpm use. There is no one way bearing Comes as shownFlywheels Faster rev Faster recovery out of corners Faster start Faster whole shot Engine won’t bog as easy climbing Frees up some hp This is a Honda TRX400EX lightened flywheel. Simply remove your old Flywheel and replace with this performance unit. Faster acceleration, increased transfer of power to the rear wheel, and better engine braking. The Flywheel is lightened according to our specs and has as much material taken off to stay within safe limits to avoid any failures at high rpm use. There is no one way bearing Comes as shown