SUPACAZ KAZZE CARBON RD 44.5 BLACK HOLOGRAM 30T 24mm compatible 15/16` bore with

24mm compatible 15/16` bore with 19 and 22mm adapters included

low profile style horizontal square crank arms

Removable/replaceable injection-molded plastic bash guard

Double front 10sp derailleur

SUPACAZ KAZZE CARBON RD 44.5 BLACK HOLOGRAM 30T 24mm compatible 15/16` bore withDual 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