Specifically designed for the Promax CK-1 carbon cranks, this aluminum spider adapter allows the use of a 104 BCD chainring with CK-1 cranks.

• High quality aluminum provides high strength at a low weight
• Specifically designed for use with Promax CK-1 carbon cranksets
• Utilizes SRAM's 3-bolt mount style to attach to crankarm (bolts sold separately. SKU number CK2203 recommended)
• NOT compatible with Promax HF-3 cranks
• For 4-bolt 104 BCD chainrings