The Eclat Cortex Cassette offers detail in the design and durability thanks to the very well closed bearings and the new strong gear ratchet! Perfect sound and acoustics when the wheel spins. The one-piece gear is chromoly and uses closed type polymer bearings. The 14mm shaft is 4130 chromoly to withstand harsh use. The nuts are made of chromoly. Includes two Nylon Hubguards for 100% protection!

Shell Material: 6061 CNC aluminum

Shaft Material: 4130 Hollow CrMo HT

Weight: 410g.