SHIMANO CS-M770 XT HG 9 Speed Bicycle Cassettes

Durable, lightweight, and engineered for smooth shifting—the XT CS‑M770 brings high‑performance 9‑speed gearing to trail, touring, and everyday riding.

Best for

• 9‑speed Shimano MTB drivetrains
• Riders seeking crisp, reliable shifting with a long‑lasting cassette
• Weight‑conscious XC and trail riders

Not ideal for

• 10‑, 11‑, or 12‑speed systems
• Road‑specific HG cassettes

What this product does

The Shimano CS‑M770 cassette delivers smooth, precise shifting across all nine gears thanks to its Hyperglide‑optimized sprocket design. An aluminum carrier reduces weight and increases rigidity, improving power transfer and prolonging drivetrain life.

Key Features

• Aluminum Carrier: Reduces weight while boosting stiffness for more responsive shifting
• Hyperglide Sprockets: Engineered for fast, seamless gear changes under load
• Durable Steel Cogs: Long‑wearing construction ideal for high‑mileage riders
• Wide Gear Options: Suitable for XC, trail, and trekking setups
• HG Freehub Compatible: Fits standard Shimano 8/9/10‑speed freehub bodies

Benefits

• Smoother shifting transitions on climbs and technical terrain
• Reduced cassette flex thanks to the rigid alloy carrier
• Improved drivetrain longevity with hardened steel sprockets
• Lightweight performance suitable for competitive riding

Technical Specs

• Model: Shimano Deore XT CS‑M770
• Speed: 9‑speed
• Freehub Type: HG (8/9/10‑speed compatible)
• Carrier: Aluminum spider for reduced weight
• Materials: Steel sprockets with alloy carrier
• Intended Use: XC, trail, trekking