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    • FSA Afterburner 386 BB30 MTB Chainset

        • $107.49 107.49
        • RRP $404.99
        • Save 73%
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FSA Afterburner 386 BB30 MTB Chainset

Joining the K-Force Light MTB Compact, the 386 version of Afterburner uses the same 3 bolt spider with 86mm BCD standard to allow smaller inner chainrings. A unique system to bring the benefit of lightweight XC performance to sport level riders


  • Hollow forged alloy arms
  • AL7075 100% CNC process chainrings
  • AL7075 Torx T-30 alloy chainring bolts
  • Length: L170mm, L175mm
  • Q-Factor: 170mm
  • BCD: 86mm
  • Chainline: 48mm
  • Weight: 776g inc BB

To help you choose which crankset to buy, here is a FSA Crankset/Bottom Bracket Compatibility Chart.

Buy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

  • Delivery costFREE
  • Delivers toUnited States of America
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.

    More information on returns
  • Pay by Bank Transfer, PayPal or Card


  • Colour: Black
  • BoltCircle: 86mm
  • Teeth: 42.27t, 39.27t
  • Speed: 10 Speed
  • Length: 170mm
  • Material: Alloy

Cranksets Buying Guide

  • We've got everything you need to know in our buying guide.

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