Race Face Aeffect Cinch Fatbike Crank Arm Set

In Stock (Please allow 3-7 Business Days for Delivery)

The Race Face Aeffect crank is designed to handle aggressive trail riding at XC crank weight and an attractive pricepoint. Features the CINCH system with its interchangeable spider options and a 24mm EXI interface spindle.


  • Crank arms forged from 6066 aluminum
  • Compatible with all CINCH direct mount rings and spiders to easily convert between existing chainring standards including: direct mount, 1x, 2x with and without bash, and 3x configurations
  • 24mm EXI spindle compatible with Race Face X-Type bottom brackets or Hollowtech II compatible bottom brackets
  • CINCH removable spiders and direct mount rings utilize a 20-tooth ISIS cup BB tool for removal and installation
  • Bottom bracket, direct mount ring and spider not included

For 170mm rear-spaced fatbikes:

  • Direct mount chainline: 66-68, 72.5-74.5mm (Flipped)
  • 2X Cinch spider chainline: 64.5-66.5mm
  • Boost 2X Cinch spider chainline:67.5-69.5mm

For 190mm rear-spaced fatbikes:

  • Direct mount chainline: 77.5-79.5, 84-86mm (Flipped)
  • 2X Cinch spider chainline: 76-78mm
  • Boost 2X Cinch spider chainline:79-81mm

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