full-carbon unidirectional
multidirectional cranks
hollow cranks (Ultra-Hollow™ Structure)
light alloy fixing bolts and nuts – light alloy chainrings with ESP Actuation System™ (Enhanced Shifting Performance)
chainrings with hard anodization treatment
8 pins on the large chainring – CULT™ bearings (Ceramic Ultimate Level Technology)
integrated ULTRA-TORQUE™ semi-axles – requires ULTRA-TORQUE™ BB cups
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