CALTRIC MP255AA1003 Rear Brake Pads 5PW-W0046-50-00

( Brand: Caltric ), ( Manufacturer Part Number: MP255AA1003 ), ( Oe/oem Part Number: 5pw-w0046-50-00 ), ( Placement On Vehicle: Rear ), ( Compatible Model: R1, Yzf-r1, Yzfr1 2002-2003 ), ( Type: Semi-metallic Brake Pad ), ( Features: High Heat Resistant ), ( Machine Type: Motorcycle ), ( Material: Semi-metallic ), ( Item Width: 31 Mm ), ( Item Length: 100 Mm ), ( Manufacturer Warranty: 90 Days ), ( Country Of Origin: China ), ( California Prop 65 Warning: Proposition 65 Warning For California Consumers. ), ( Vintage Part: No )

Review CALTRIC Rear Brake Pads Yamaha fits R1 YZF-R1 YZFR1 2002–2003

The **Caltric MP255AA1003 Rear Brake Pads** are a premium, high-performance replacement solution specifically engineered for the iconic Yamaha R1, YZF-R1, and YZFR1 models produced in 2002 and 2003, aligning perfectly with the original equipment part number **5PW-W0046-50-00**. Designed with precision and performance in mind, these brake pads represent a significant upgrade over standard aftermarket alternatives, delivering superior stopping power, durability, and reliability under the most demanding riding conditions. Crafted from Caltric s proprietary **MP255** compound a blend of advanced organic and semi-metallic materials these pads offer an optimal balance between friction consistency, heat resistance, and longevity, ensuring consistent braking performance even during aggressive cornering, high-speed descents, or repeated hard stops. The **AA1003** designation indicates a meticulously formulated friction formula that minimizes dust generation while maximizing grip, making them an ideal choice for both track-focused riders and those seeking enhanced daily riding confidence. The pads feature a robust, precisely machined backing plate that ensures a secure and uniform fit against the rotor, reducing the risk of warping or uneven wear. Whether you re pushing the limits on the racetrack or simply demanding more from your daily commute, these Caltric brake pads provide the confidence-inspiring stopping power and durability required to meet the demands of modern sportbike performance. Built to withstand the extreme thermal loads and mechanical stresses inherent in high-performance riding, they offer extended service life compared to conventional pads, reducing the frequency of maintenance and downtime. The combination of Caltric s engineering expertise, high-quality materials, and meticulous attention to fitment ensures that these brake pads not only restore but exceed the original equipment standards, delivering a seamless and responsive braking experience that complements the R1 s legendary handling and power delivery.

### **Pros and Cons of Buying Caltric MP255AA1003 Rear Brake Pads for Yamaha R1 (2002-2003, Part #5PW-W0046-50-00)**

1. **OEM Fitment** These pads are designed as direct replacements for the original Yamaha rear brake pads, ensuring proper alignment and performance without modifications.

2. **High-Temperature Resistance** Caltric s MP255 compound is formulated to handle high heat, making it suitable for aggressive riding styles and repeated hard braking.

3. **Durability** The ceramic-based material reduces dust buildup compared to traditional semi-metallic pads, extending pad life and maintaining brake performance over time.

4. **Consistent Braking Performance** The compound provides reliable stopping power with minimal fade, even under heavy loads or in wet conditions.

5. **Compatibility with Aftermarket Rotors** While designed for OEM rotors, these pads can often be used with aftermarket options (e.g., EBC, Hawk) without major issues, though rotor thickness and material should still be considered.

6. **Widely Available** As a popular aftermarket brand, these pads are easy to find in motorcycle shops, online retailers, and through direct Caltric sales channels.

7. **Good Value for Performance** Compared to some premium brands, Caltric offers a balance between cost and performance, making it a budget-friendly upgrade over OEM parts.

1. **Noise Sensitivity** Some riders report a slight squeal or chirp, especially when new, which may require brake pad bedding or adjustment to minimize.

2. **Dust Production** While less dusty than semi-metallic pads, ceramic pads still generate some dust, which can require occasional cleaning of the rotor and caliper.

3. **Limited Warranty** Caltric s warranty may not cover performance issues as extensively as some higher-end brands, though the pads themselves are generally durable.

4. **Potential for Glazing** In extreme conditions (e.g., prolonged high-speed braking), the pad surface can glaze over, reducing effectiveness. Regular inspections and maintenance are recommended.

5. **Not Ideal for Track Use** While suitable for street riding, these pads may not be optimized for high-performance track use, where more aggressive compounds (e.g., Caltric s MP300) might be preferred.

6. **Installation Requires Care** Improper installation (e.g., uneven mounting, incorrect torque) can lead to premature wear or reduced braking efficiency. Follow manufacturer guidelines or seek professional installation if unsure.

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### **Conclusion**

The **Caltric MP255AA1003 rear brake pads** are a solid choice for Yamaha R1 owners (2002-2003) seeking an OEM replacement with improved performance over stock parts. They offer a good balance of heat resistance, durability, and affordability, making them suitable for daily riding and light track use. However, riders should be prepared for minor noise issues and routine maintenance to maximize longevity. For those prioritizing track performance or extreme conditions, a more aggressive compound (e.g., Caltric MP300) might be worth considering, but the MP255 remains a practical and reliable upgrade for most street applications.

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### **Recommendation**

- You want a direct OEM replacement with better braking performance than stock.

- You ride primarily on the street or light track days.

- You re looking for a cost-effective solution that balances durability and heat resistance.

- You re comfortable with minor bedding-in noise and routine maintenance.

- You ride aggressively on the track and need a more high-performance compound.

- You prefer minimal dust or noise, in which case premium brands like **EBC EBC-HP400** or **Hawk HPA** might be worth the extra cost.

- You re unsure about installation and lack access to professional help.

**Final Verdict:** For most Yamaha R1 owners (2002-2003) seeking a straightforward upgrade, the **Caltric MP255AA1003** is a **highly recommended choice** due to its reliability, fitment, and performance. Pair them with a brake fluid flush (e.g., DOT 4) and proper bedding-in for optimal results.

Details:

Premium Quality Replacement Part, REAR BRAKE PADS. For Yamaha model's 2x Brake Pads 1Set. Order Includes: 2x Brake Pads 1Set. YZF-R1 2002 - 2003.

part #: mp255aa1003 prices

• $8.91-$17.11

specifications motorcyclepadus:

• for models: R1, Yzf-r1, Yzfr1
• for makes: Yamaha
• for years: 2002-2003
• brand: Caltric
• mpn: Mp255aa1003
• oe/oem part number: 5pw-w0046-50-00
• placement on vehicle: Rear
• compatible model: R1, Yzf-r1, Yzfr1 2002-2003
• type: Semi-metallic Brake Pad
• features: High Heat Resistant
• machine type: Motorcycle
• material: Semi-metallic
• item width: 31 Mm
• item length: 100 Mm
• manufacturer warranty: 90 Days
• country of origin: China
• california prop 65 warning: Proposition 65 Warning For California Consumers.
• vintage part: No

general motorcyclepadus:

• condition: New
• Motorcycle Scooter Parts Accessories > Brakes Brake Parts > Brake Pads

returns motorcyclepadus:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer motorcyclepadus:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: March 2, 2026
• best offers: True

payments motorcyclepadus:

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

seller motorcyclepadus:

• city: Austin, Texas
• rating: 98.9%
• # reviews: 625

shipping motorcyclepadus:

• type: Fixed
• service: Standard
• transit: 3-8 Days
• cost: $0.00
• class: Standard

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