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.
- For 4-bolt 104 BCD chainrings
- High quality aluminum provides high strength at a low weight
- NOT compatible with Promax HF-3 cranks
- 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)