Shimano SLX M Sixth Six Five Mountain Bike Chainring – Black Middle Ring | Nine-Speed | Size: Thirty-Six Teeth / One Zero Four Millimeters

Shimano SLX M665/M660 9-Speed Chainrings: Precision Engineering for Trail Mastery

Elevate your mountain bike performance with the Shimano SLX M665/M660 9-Speed Chainrings—designed for riders who demand precision, durability, and seamless power transfer on rugged terrain. Crafted from lightweight aluminum, these middle-position chainrings deliver exceptional strength-to-weight efficiency, making them ideal for XC racing, trail adventures, or technical descents where every gram counts.

Key Features & Benefits:
– Optimized Gear Ratio: The 36-tooth configuration pairs perfectly with 9-speed drivetrains, offering a balanced cadence for varied terrain—from steep climbs to high-speed descents.
– Universal Compatibility: Built on a 104 BCD (Bolt Circle Diameter), these chainrings seamlessly integrate with Shimano SLX and XTR systems, ensuring flawless shifting and chain retention.
– Proven Durability: Aluminum construction withstands impacts and wear, while Shimano’s precision engineering minimizes wear on chains and cassettes for long-term reliability.
– Aesthetic & Function: Finished in sleek black matte, these chainrings complement modern bike builds while maintaining low rotational mass for snappy acceleration.

Why Choose Shimano SLX Over Competitors?
| Feature | Shimano SLX M665/M660 | Competitor Brands |
|————————-|—————————–|———————————|
| Material Quality | High-grade aluminum | Standard alloy or steel |
| Weight | Ultra-lightweight design | Heavier profiles |
| Compatibility | Full Shimano 9-speed system | Limited cross-system support |
| Durability | Proven in professional use | Higher wear rates |

Whether you’re conquering redline climbs or bombing through rock gardens, the Shimano SLX M665/M660 chainrings deliver unmatched performance for serious mountain bikers. Upgrade your drivetrain today and feel the difference in every pedal stroke.