SHIMANO SM-RT66 Disc Brake Rotor Slx Deore 192790598338 6-BOLT 160MM

( Brand: Shimano ), ( Part Type: Disc Rotor ), ( Item Diameter: 160 Mm ), ( Compatible Model: Slx ), ( Material: Steel, Aluminium ), ( Set Includes: Disc Brake Rotor Bolts ), ( Mounting Type: 6 Bolt ), ( Colour: Silver ), ( Compatible Bike Type: Universal, Mountain Bike, Racing Bike, Road Bike ), ( Country Of Origin: China ), ( UPC: 192790598338 )

Review SHIMANO Disc Brake Rotor Slx Deore 6-bolt 160mm

The **Shimano 192790598338 SM-RT66 Disc Brake Rotor (SLX/Deore, 6-Bolt, 160mm)** is a precision-engineered component designed to deliver exceptional stopping power and durability for mountain bikers and gravel enthusiasts who demand reliability in demanding conditions. Part of Shimano s SLX and Deore hydraulic disc brake systems, this rotor exemplifies the brand s commitment to performance, efficiency, and long-term durability. Crafted from high-quality, heat-treated steel, the rotor features a **160mm diameter**, striking an optimal balance between braking power and weight, making it ideal for riders seeking responsive modulation without excessive weight. The **6-bolt mounting pattern** ensures compatibility with a wide range of frames and forks, from full-suspension mountain bikes to hardtail setups and gravel bikes, while the **dual-pin design** enhances rigidity, reducing flex and improving brake feel under heavy loads. The rotor s **smooth, precision-machined surface** minimizes rotor wear and ensures consistent pad contact, reducing the risk of uneven braking or noise during aggressive descents or technical terrain. Shimano s proprietary **RT66 (Rotating Type 66)** design incorporates a **thin, lightweight rim** with strategically placed cooling vents, which help dissipate heat efficiently, preventing brake fade during prolonged or intense braking sessions. This feature is particularly advantageous for riders tackling long descents or aggressive downhill sections, where thermal management is critical. The rotor s **black powder-coated finish** not only enhances its aesthetic appeal but also provides added corrosion resistance, ensuring longevity even in harsh, muddy, or salty environments. Whether paired with Shimano s SLX or Deore hydraulic brake systems, this rotor delivers a seamless, progressive braking experience, allowing riders to fine-tune their deceleration with confidence. Built to withstand the rigors of off-road riding, the **192790598338 SM-RT66** is a standout choice for cyclists who prioritize performance, reliability, and the ability to push their limits without compromise.

### **Shimano 192790598338 (SLX DEORE 6-Bolt 160mm Disc Brake Rotor) Pros and Cons**

1. **Performance-Oriented Design** The SLX DEORE line is Shimano s mid-range performance series, offering a balance between affordability and quality. This rotor is built for reliable stopping power, making it suitable for mountain biking, gravel, and light trail riding.

2. **Durability** The 6-bolt pattern ensures a secure fit on most modern frames and forks, reducing the risk of warping or loosening over time. The 160mm size provides a good balance between weight and braking efficiency, making it versatile for various riding conditions.

3. **Compatibility** Works with Shimano s hydraulic disc brake systems (e.g., SLX, Deore, and higher-end models) as well as some third-party setups. The 6-bolt pattern is widely supported, though compatibility depends on your bike s hub spacing.

4. **Weight Efficiency** While not as lightweight as carbon rotors, it is significantly lighter than steel alternatives, improving pedal response and reducing rotational mass.

5. **Cost-Effective Upgrade** Compared to higher-end rotors (e.g., XT or Saint), this option offers strong performance at a lower price, making it a practical choice for riders who want better brakes without a premium price tag.

6. **Reliability** Shimano s SLX DEORE components are known for durability and consistent performance, reducing the likelihood of premature wear or failure.

7. **Easy Installation** The 6-bolt pattern simplifies installation and removal, and the rotor is designed to be user-friendly for basic maintenance.

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1. **Not for Heavy-Duty Use** While durable, this rotor is not built for extreme downhill or aggressive racing where heavier, more robust rotors (e.g., XT or Saint) are preferred. Over time, heavy braking can cause wear or warping.

2. **Limited Heat Dissipation** Compared to larger rotors (e.g., 180mm or 203mm), the 160mm size may struggle with prolonged high-speed braking or repeated hard stops, leading to potential fade or reduced performance in extreme conditions.

3. **Weight Compared to Carbon** While lighter than steel, it is heavier than carbon rotors, which can slightly reduce pedal efficiency and acceleration in fast-paced riding.

4. **Potential for Dust Buildup** Like all metal rotors, this one can accumulate dirt and debris, which may require occasional cleaning to maintain optimal braking performance. Neglecting maintenance can lead to reduced effectiveness.

5. **Compatibility Limitations** While the 6-bolt pattern is common, some older or budget bikes may not support it. Always verify compatibility with your bike s hub and brake system before purchasing.

6. **Noisy Operation** Metal rotors can produce more noise (e.g., squeaking or rattling) compared to carbon or some hybrid materials, especially in wet or muddy conditions.

7. **Resale Value** As a mid-range component, it may not hold its value as well as higher-end Shimano rotors (e.g., XT or Saint) if you decide to upgrade later.

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The **Shimano 192790598338 (SLX DEORE 6-Bolt 160mm)** rotor is an excellent choice for riders seeking a reliable, performance-oriented braking solution without the cost of premium components. It strikes a balance between affordability, durability, and compatibility, making it ideal for trail riding, commuting, and light off-road use. However, it is not suited for extreme downhill or high-performance racing, where larger or heavier rotors would be more appropriate.

If your primary needs align with general trail use, this rotor will deliver consistent and effective braking while offering good value for money. For riders pushing harder or seeking quieter operation, exploring heavier or carbon rotors may be worth considering.

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- You ride primarily on trails, gravel, or for commuting and need a reliable, mid-range braking solution.

- Your bike s frame and fork support a 6-bolt pattern.

- You want a balance between performance and cost without sacrificing Shimano s reputation for quality.

- You are open to basic maintenance (e.g., occasional cleaning) to ensure optimal braking.

- You engage in heavy downhill riding or aggressive racing, where a 180mm or 203mm rotor (e.g., Shimano XT or Saint) would be more suitable.

- Noise or weight is a significant concern, and you prefer a quieter or lighter option (e.g., carbon rotors).

- Your budget allows for a higher-end rotor with better heat dissipation and longevity.

For most casual to intermediate riders, this rotor is a **solid and practical choice** that will enhance your bike s braking performance without unnecessary expense.

Details:

Used but in good condition Bolts included.

part #: 192790598338 prices

• $18.99-$23.97

specifications ribicycl:

• brand: Shimano
• part type: Disc Rotor
• item diameter: 160 Mm
• compatible model: Slx
• material: Steel, Aluminium
• set includes: Disc Brake Rotor Bolts
• mounting type: 6 Bolt
• colour: Silver
• compatible bike type: Universal, Mountain Bike, Racing Bike, Road Bike
• country of origin: China
• upc: 192790598338

returns ribicycl:

• policy: No Returns

shipping ribicycl:

• carrier: USPS
• transit: 3-8 Days
• type: Calculated
• cost: $0.00
• class: Standard
• service: USPS Ground Advantage

payments ribicycl:

• credit card: Visa
• other
• wallet: Google-pay

offer ribicycl:

• started: May 12, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• best offers: True

general ribicycl:

• Cycling > Bicycle Components Parts > Brake Rotors
• condition: Used

seller ribicycl:

• rating: 100.0%
• city: Canton, Massachusetts
• # reviews: 616

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