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STM Evoluzione Slipper Clutch FDU-S230

Utilizes a 90mm diaphragm spring
Diaphragm spring provides more pressure under lock up, less drag than helical spring and digressive lever engagement
Secondary spring is also of diaphragm construction allowing for a wider tuning range and eliminating the need for multiple ramp angles
Utilizes O.E.M. basket and clutch plates
All clutches utilize titanium-nitrated Progressive Engagement Plate
Features a clutch pack inspection system
Clutch pack plates sold separately
Not Available
Was: $1,199.95
Sale: $577.26
Save: 52%
Save: $622.69


Product Series


  • FDU-S230
  • FDU-S230
  • STM
  • Temporarily Not Available
  • New

Shipping Information

  • Item Requires Shipping
  • 3.1 lbs.
  • Free Lower 48 Shipping over $75!

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