The Hope 104mm Single Ring Spider fits to their unique expanding spline axle/arm interface. This spider allows you to run conventional 104 BCD 4-bolt chainrings on the Hope crank arms.
- Crank Material - Forged and CNC machined 7000 series aluminium alloy.
- Chainrings - Not included.
- Compatibility - Hope's unique expanding spline axle/arm interface system.