Shimano SLX SM-RT66
Best reliable rotor for mountain bikers seeking great value and durability.
A reliable, no-nonsense stainless steel rotor built for consistent stopping power on the trail. It prioritizes durability and straightforward installation, making it an ideal choice for riders who need dependable performance without unnecessary complexity.
$60.00
More SLX options
Shimano SLX RT66 Rotor
$32.00
Shimano SLX RT70 Rotor
$62.99
Shimano SLX Disc Brake Rotor
$32.99
Shimano SLX SM-RT70-SS
$58.00
Shimano SM-RT66
$49.00
Shimano SM-RT66SP Disc Rotor
$36.00
Shimano SLX SM-RT70-SI Disc Brake Rotor
$50.00
Shimano SM-RT66
$39.99
Shimano SLX M7100 Cassette
$154.99
Shimano SM-RT66
$33.99
Shimano SLX SM-RT70-ME Disc Brake Rotor
$63.00
Shimano SLX SM-RT70-M
$29.99
Who it's for
- Mountain bikers seeking dependable performance without frequent maintenance
- Riders who switch pad compounds based on weather or terrain
- Budget-conscious enthusiasts looking for high-quality performance upgrades
Who should skip it
- Weight-conscious racers aiming to minimize every gram of rotational mass
- Aggressive downhill riders tackling long, high-intensity alpine descents
- Cyclists with Centerlock hubs who prefer a direct, tool-free installation
Performance breakdown
Heat dissipation
Stainless steel construction manages thermal buildup effectively on long, technical descents.
Stopping power
Provides consistent, reliable bite that inspires confidence in aggressive trail riding.
Installation simplicity
Standard 6-bolt interface makes swapping or upgrading a straightforward, tool-friendly task.
Structural durability
Robust design withstands the inevitable impacts and debris of off-road use.
Modulation control
Predictable feedback allows for precise braking adjustments during tricky cornering maneuvers.
Weight efficiency
Prioritizes rugged reliability over ultralight performance for weight-conscious racers.
Key Specs
Diameter
220 mm
Material
Stainless steel
Mounting Type
6-bolt
Know before you buy
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