Shimano XTR Cassette M9100 12 speed Microspline 10-45t 10-51t Ratios CS-M9100

Description

Shimano XTR CS-M9100 12-Speed Micro Spline MTB Cassette — 10-45T or 10-51T

The pinnacle of Shimano’s MTB drivetrain technology — the XTR CS-M9100 Cassette delivers uncompromising performance, ultra-lightweight construction, and lightning-fast shifting for elite-level trail, XC, or enduro riders.

With a unique 12-speed design combining Titanium, Alloy, and Chromoly sprockets mounted on a 5-beam alloy spider, this cassette offers the ultimate balance of strength, durability, and weight savings.

Key Features:

✔️ Hyperglide+ Technology — 1/3 faster shifting than standard HG systems, providing ultra-smooth, seamless operation even under load
✔️ Elite Lightweight Construction — 3 Alloy, 5 Titanium, and 4 Chromoly sprockets for maximum performance and reduced rotating mass
✔️ Extensive Cutaways & Drilled Design — Further reduces weight without sacrificing rigidity
✔️ Hard Anodised & Nickel-Plated Finish — Exceptional durability with high resistance to wear and corrosion
✔️ Alloy Cassette Lockring Included
✔️ Micro Spline Freehub Compatible Only
✔️ Designed for Shimano 12-Speed SIL-TEC Chains

Ratio Options Available:

🔧 10-45T (Close Ratio) — Optimised for cadence efficiency, smooth energy transfer across all conditions

• Average Weight: 357g

🔧 10-51T (Wide Ratio) — Full climbing range for technical trails, steep ascents, and demanding terrain

• Average Weight: 367g

Additional Specifications:

• Speed: 12-Speed

• Discipline: MTB / XC / Enduro / Trail

• Material Mix: Alloy / Titanium / Chromoly

• Colour: Silver/Black

• Freehub Compatibility: Shimano Micro Spline only

Why Choose Hopkinson Cycles?

✅ Free UK Delivery — No hidden costs
✅ Family-Run, Rider-Focused Service — Speak directly to our knowledgeable team
✅ Fast Dispatch — All orders packed and shipped in-house
✅ Trusted by Riders Nationwide

📞 Need advice? Call us on 01924 274209
🌐 Discover more Shimano XTR components at www.hopkinsoncycles.com

Shimano XTR — The choice of world champions and elite MTB riders worldwide.