SUPACAZ KAZZE CARBON RD 45.5 BLACK HOLOGRAM 9-SPD The two machined aluminum cups

The two machined aluminum cups thread together keeping the bottom bracket stable in the frame

Converts CenterLock road hubs to accept 6-bolt rotors

Ultra-light brake lever for cross country

M15 spindle bore

Allows use of an oval small ring with a round large ring

SUPACAZ KAZZE CARBON RD 45.5 BLACK HOLOGRAM 9-SPD The two machined aluminum cupsDual BOA Fit System for a fast, effortless, precision fit Dual functioning VaporX system ventilates air through the shoe and channels moisture out, keeping your feet cool & dry At the core of the Kazze is an unbelievably stiff NASA grade 3K carbon sole that resists flexing and twisting under the highest loads HeliumHeel With Super Stiff 3K Carbon Sole Asymmetrical Tongue: Maximum comfort and ultra secure with no pressure points. Breathable Ergonomic