Single Ring Spider Boost 104 BCD

The Hope Ring Spider Boost (104 BCD) is a crank interface designed to mount a single chainring securely and reliably to compatible cranksets using a 104 mm Bolt Circle Diameter (BCD). Built with Hope’s renowned attention to quality and durability, this spider delivers a stiff, accurate platform for your chainring — ensuring efficient power transfer and dependable drivetrain performance across a wide range of riding conditions.

• CNC Machined
• For Hope Crankset Only
• 104mm BCD 
• Single Boost Chainring Setup