Aeffect CranksetDescription 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. Features 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