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The Shimano Ultegra FH-6800 rear hub features smooth rolling, angular contact bearings for low friction rotation and a digital cone adjustment system for precision adjustment. High-performance, cubic boron nitride treated cone races and labyrinth seals provide increased weather protection and durability while the stiff oversize aluminum axle is less affected by quick-release axial forces. Quick release skewer included.
Cassette Body: 8, 9, 10 or 11 speed
Hub Spacing: 130 mm
Spoke Drilling: 32 hole
Weight: 327 g.