Shimano M8100 Deore XT 12spd. Cassette

Upgrade your mountain bike drivetrain with the Shimano Deore XT M8100 12‑Speed Cassette, engineered for precision, durability, and performance. Part of Shimano’s legendary XT series, this cassette delivers smooth shifting, lightweight construction, and robust gear range options, making it ideal for aggressive trail, enduro, and all‑mountain riding.

Key Features

• 12‑Speed MTB Performance: Optimized for Shimano 12‑speed Deore XT, SLX, and XTR drivetrains for consistent, reliable shifting.
• Wide Gear Range: Available in 10‑45T or 10‑51T, giving you the climbing advantage on steep trails while maintaining top‑end speed.
• Hyperglide+ Technology: Ensures smooth, fast, and quiet chain engagement even under heavy pedaling loads.
• Lightweight Construction: Aluminum spider with steel sprockets reduces weight without compromising strength.
• Durable Finish: Corrosion-resistant coating for long-lasting performance in muddy or wet conditions.

Specifications

• Model: CS‑M8100‑12
• Speeds: 12
• Gear Options: 10‑45T, 10‑51T
• Material: Aluminum spider + steel sprockets
• Weight: ~470 g (10‑45T) / ~510 g (10‑51T)
• Compatibility: Shimano Deore XT, SLX, XTR 12‑speed drivetrains, Hyperglide+ compatible
• Type: Mountain bike cassette, suitable for trail, enduro, and all-mountain riding

Why You’ll Love It

The Deore XT M8100 cassette is built for riders who demand fast, reliable shifts and a wide gear range without adding unnecessary weight. Whether tackling steep climbs or chasing down technical descents, this cassette keeps your drivetrain responsive, efficient, and ready for anything.

Perfect for upgrading worn cassettes, enhancing 12‑speed MTB drivetrains, or building a high-performance mountain bike setup.