ACT XACT Flywheel Streetlite - High-Performance Cycling Flywheel for Indoor Training & Home Gym Workouts - Perfect for Spin Bikes, Exercise Bikes & Cardio Fitness Routines

Noticeably improved engine response and acceleration, OE to mild gear rattle; Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for street and race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability