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About S&S Cycle Flywheel Assembly (4-3/8in. Stroke)

S&S Cycle Flywheel Assembly (4-3/8in. Stroke)

  • Flywheel assemblies are designed for use with Timken-style sprocket shaft bearings
  • Fit directly in stock crankcases with no modifications
  • Heat treated 4140 material is harder and 114% stronger than stock
  • Integral mainshafts-eliminates two potential points of weakness
  • Consistent balance and precision machining
  • Truer flywheels and less vibration
  • Made in the USA.

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