Stock-type flywheel 100% CNC machined in-house from Special Bar Quality forged steel billet to replace original cast iron part # 930.102.204.03. 9-Bolt crankshaft, 225 mm clutch, Press-in pilot bearing. At 8.7 pounds, these flywheels are about 2 pounds lighter than their cast iron counterparts. The resulting lower moment of enertia helps to mitigate the sluggish acceleration encountered when using the less expensive cast iron frame pressure plate. Balanced.
Warranty: 24 Months