Contact seals on hub and freehub body
Brake/Compatibility: center lock disc (without lock ring)
Cassette/Driver: 10/11-speed road
Axle/Spacing: 12x142mm Thru Axle
Freehub body material: steel
Hubshell material: anodized aluminum
Weight: 365g.
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.