Shimano Saint/XTR SM-RT99-A Disc Brake Rotor
Best high performance cooling for aggressive downhill mountain bikers.
Engineered for aggressive riding, this rotor uses a sophisticated multi-layer design to shed heat rapidly. The integrated cooling fins and aluminum core provide exceptional thermal stability, ensuring consistent braking performance even on the most demanding descents.
$74.99
at
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Who it's for
- Downhill racers seeking reliable performance during intense, high-speed runs.
- Aggressive mountain bikers tackling steep and technical alpine terrain.
- Weight-conscious riders who refuse to sacrifice stopping power for lightness.
Who should skip it
- Budget-focused cyclists looking for a more economical replacement part.
- Riders with traditional six-bolt hubs who prefer a direct fit.
- Quiet-ride enthusiasts sensitive to minor mechanical vibrations or noise.
Performance breakdown
Thermal Management
IceTech Freeza fins dissipate heat faster than almost any competing rotor.
Stopping Consistency
Maintains predictable, fade-free braking power even on the longest descents.
Structural Rigidity
Two-piece aluminum spider design resists warping under extreme braking loads.
Weight Efficiency
Lightweight construction sheds rotating mass without sacrificing necessary durability.
Installation Ease
Centerlock interface makes rotor swaps quick, clean, and incredibly simple.
Pad Compatibility
Versatile surface works flawlessly with metal, resin, or organic compounds.
Key Specs
Diameter
140 mm
Weight
95 g
Material
Aluminum and Stainless Steel
Mounting Type
Centerlock
Rotor Design
Two-piece
Cooling Technology
IceTech Freeza
Pad Compatibility
All Pad Compounds
Lockring Included
Yes
Know before you buy
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Ask Metto anything about the Shimano Saint/XTR SM-RT99-A Disc Brake Rotor before you decide.
