This flywheel weight will fit on the Sherco trial bike. The flywheel weight changes the power delivery making the bike smoother and more controllable off the bottom. It will help the bike grip better and help stalling. It also comes with an ignition cover spacer, gasket and longer ignition cover bolts. For models 2012 and up. FW-SH-12.
*You will need a flywheel puller tool to remove the flywheel, available here: https://rypusa.com/fly-wheel-puller-sherco-80-300/