Shimano’s XTR SM-RT900 rotor is the definitive answer to the high-performance needs of competitive XC, trail, and enduro riders. Developed for use with the M9100 series, this rotor features Shimano’s renowned ICE TECHNOLOGIES FREEZA design — a game-changing innovation that maximizes heat dissipation, minimizes weight, and delivers consistent braking under the most demanding conditions.
Whether you're attacking technical descents, cornering with aggression, or racing for the podium, this 160 mm, two-piece Center-Lock rotor ensures your braking remains confident, smooth, and powerful throughout your ride.
🔥 ICE TECHNOLOGIES FREEZA: Cooler = Faster
At the core of the SM-RT900 lies Shimano’s proprietary three-layer structure — an aluminum core sandwiched between two layers of stainless steel. This composite construction, enhanced with FREEZA fin technology, reduces rotor surface temperature by up to 100°C, preventing heat-induced fade during extended braking.
Key Benefits:
Superior heat dissipation in aggressive terrain
Consistent performance in wet, dry, or muddy trails
Increased pad longevity
Reduced brake fade in sustained descents
⚙️ Center-Lock Mounting: Quick, Rigid, Precise
The CENTER LOCK system simplifies rotor installation through a spline-style mount and lock ring. Not only does this reduce installation time and ensure secure attachment, but it also eliminates unnecessary rotor wobble, promoting quieter, vibration-free braking.
Advantages:
Rapid tool-free rotor replacement
Clean and secure fitment
Improved braking modulation through increased stiffness
📊 Technical Specifications
Model Compatibility: Shimano XTR M9100 Series
Rotor Size: 160 mm
Weight: 108 g (approx.)
Rotor Type: Two-Piece (ICE Technologies FREEZA)
Mount Type: Center-Lock
Pad Compatibility: Compatible with all pad compounds (resin & metallic)
Construction: Stainless Steel / Aluminum / Stainless Steel (3-layer)
🚵♂️ Ride with Confidence – Ride XTR
Tailored for elite riders and discerning enthusiasts, the SM-RT900 performs at its peak when you’re pushing your limits. From tight switchbacks to technical rock gardens, this rotor enables maximum control and braking consistency no matter the terrain or climate.
🔧 Why Riders Choose the SM-RT900:
✅ M9100-optimized for Shimano’s flagship XTR drivetrain
✅ Featherlight yet incredibly stiff for responsive brake feel
✅ Extreme durability in all trail conditions
✅ Ultra-efficient heat management for longer descents
✅ Center-Lock convenience with race-ready stiffness
🏁 Race-Tested. Rider-Approved.
The Shimano SM-RT900 160mm Rotor isn’t just a component — it’s a performance multiplier. It gives your ride the stopping power it deserves while complementing the precision of the Shimano XTR M9100 system. Whether you're racing, shredding, or adventuring off-grid, your braking performance should be as elite as your pedaling.
Upgrade your control. Optimize your ride. XTR means no compromises.
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