Shimano SLX Cassette 10 Speed HG81

Shimano Drilled lightweight 10 speed cassette designed for super Narrow 10 Speed HG chains

• HG81 10 Speed cassette featuring light weight minimal design sprocket carrier
• The 4 largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity
• Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
• Close ratio gearing allows a more efficient use of energy through finer cadence control
• Sprockets are cut away and drilled to reduce weight without reducing rigidity
• For Super Narrow 10-speed HG chains