Check out any of the twenty-two F-12 Crank Arm - Crank Pedal components enlisted.
The Bolt,hex.,6x35 is the lowest priced item on this F-12 Crank Arm - Crank Pedal schematic.
A sample from the products for the F-12 Crank Arm - Crank Pedal include: Arm.l,crancpa50, Free Wheel, Nut,hex 6mm, Shaft Comp.drive.