Top Pick
Top Pick
Shimano SM-RT66SP Disc Rotor
4.6
Best reliable upgrade for mountain bikers seeking consistent braking performance.
A reliable, one-piece rotor designed for consistent stopping power in diverse conditions. Its straightforward installation and broad pad compatibility make it a dependable choice for riders looking to maintain or upgrade their braking performance without unnecessary complexity.
$36.00
Out of stock
Intended Use
Mountain Biking
Mountain Biking
Mountain Biking, Road Cycling, Gravel
Mounting Type
6-Bolt
6-Bolt
Centerlock
More SLX options
Who it's for
- Mountain bikers seeking dependable performance on every descent.
- Home mechanics looking for a straightforward and universal mounting solution.
- Budget-conscious riders who prioritize long-lasting components over marginal weight savings.
Who should skip it
- Weight-conscious racers aiming for the lightest possible cross-country setup.
- Aggressive downhill riders who frequently tackle sustained, high-temperature braking sections.
- Cyclists with Centerlock wheelsets who prefer a direct, adapter-free fit.
Key Specs
Diameter
160 mm
Weight
181 grams
Mounting Type
6-Bolt
Rotor Design
One-Piece
Pad Compatibility
Resin and Metallic Pads
Rotor Surface Type
Drilled
Compatible Brake System
Disc Brake
Intended Use
Cycling
E-Bike Rated
No
Lockring Included
No
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Ask Metto anything about the Shimano SM-RT66SP Disc Rotor before you decide.