Promax CK-1 Direct Mount

The CK-1 cranks are Promax's premium offering of carbon cranks. The race-ready carbon design maximizes strength while minimizing weight. The cranks run on a robust 30 mm axle to enhance stiffness and power transfer. These cranks offer compatibility with Direct Mount chainrings for additional weight savings or can be used with a separate 4-bolt 104 BCD chainring adapter.

• High-quality carbon cranks are lightweight and extremely stable
• The 30 mm chromoly axle provides increased stiffness and efficient power transfer
• Designed and optimized for chainrings with SRAM's 3-bolt mounting style
• Compatible with the Promax 4-Bolt 104BCD adapter/spider for CK-1 cranks (sold separately)
• Pedal washers are included and required
• 3 SRAM-type screws for attaching spider or Promax chainring are included
• Bottom bracket sold separately

Compatibility:

• Press Fit bottom bracket for 30 mm axle
• Euro BSC/BSA bottom bracket for 30 mm axle.