fits model: Wr450f. make: Yamaha. year: 2003–2018.

( Brand: Braking ), ( Manufacturer Part Number: MN/5H7W ), ( Type: Sm1 Semi Metallic Pads ), ( Compatible Year: 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 ), ( Bundle Description: 1 Pc Genuine Braking Sm1 Semi Metallic Pads ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Position: Rear )
The **Braking MN/5H7W Rear SM1 Semi-Metallic Brake Pads** are a premium, high-performance upgrade designed specifically for the **2003 2018 Yamaha WR450F**, ensuring superior stopping power, durability, and reliability for off-road and trail riding. Crafted from a **high-quality semi-metallic formulation**, these pads strike an ideal balance between friction, heat resistance, and longevity, making them ideal for both aggressive trail riding and extended use in demanding conditions. The **SM1 compound** delivers exceptional bite and modulation, reducing fade under heavy braking while maintaining consistent performance across a wide temperature range. Engineered to fit the **rear brake system** of the WR450F, these pads feature precise cutouts and optimized thickness for seamless installation, minimizing the risk of rotor damage or uneven wear. Their **reinforced backing plate** ensures structural integrity, while the **low-dust composition** reduces mess and extends the life of your brake system. Whether you're tackling steep descents, technical singletrack, or daily commutes, these pads provide **improved stopping distances, reduced rotor wear, and enhanced braking confidence** all while maintaining compatibility with the stock brake caliper and rotor setup. Built to withstand the rigors of adventure riding, the **Braking MN/5H7W SM1 pads** are a trusted choice for riders who demand performance without compromise.
### Pros and Cons of Buying BrakeMaster MN/5H7W Rear SM1 Semi-Metallic Pads for a 2003 2018 Yamaha WR450F Brake System
#### **Pros:**1. **Performance and Durability** Semi-metallic pads like the SM1 series are designed for off-road and sport riding, offering a balance between friction and heat resistance. They provide consistent braking performance under heavy loads, which is beneficial for trail riding, aggressive braking, or frequent stops in rough terrain.
2. **Heat Resistance** Semi-metallic compounds excel in high-temperature conditions, making them suitable for repeated hard braking or downhill riding where friction can generate significant heat. This reduces the risk of fade or reduced stopping power.
3. **Durability** These pads are generally more durable than organic or low-metallic pads, lasting longer under demanding conditions. This can translate to fewer replacements and less downtime, especially for riders who use their bike heavily.
4. **Compatibility** The MN/5H7W part number is specifically designed for the rear brake system of the Yamaha WR450F (2003 2018 models). This ensures a proper fit with the rotor and caliper, reducing the risk of installation issues or premature wear.
5. **Cost-Effective for Heavy Use** While semi-metallic pads may have a higher upfront cost than organic pads, their longevity and performance make them cost-effective for riders who prioritize durability and consistent braking.
6. **Minimal Dust and Wear on Rotors** Compared to some ceramic or low-metallic pads, semi-metallic pads generate less dust and cause less rotor wear, which can extend the life of your brake rotors.
7. **Easy Installation** These pads are straightforward to install, especially if you have basic mechanical skills. The WR450F s rear brake system is relatively accessible, making this an attractive option for DIYers.
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#### **Cons:**1. **Noise and Wear on Pads** Semi-metallic pads can be noisier than organic or ceramic pads, especially when new. They may produce a slight squeal or grinding noise during braking, which can be annoying over time. However, this often diminishes as the pads break in.
2. **Higher Initial Cost** Semi-metallic pads are generally more expensive than organic or low-metallic alternatives. If you primarily ride lightly or on paved roads, this may not be justified.
3. **Potential for Rotor Wear** While semi-metallic pads are less abrasive than some other compounds, they can still accelerate rotor wear if not paired with high-quality rotors or if the pads are not properly bedded in. This may require more frequent rotor replacements over time.
4. **Environmental Concerns** Semi-metallic pads contain metal fibers, which can be less environmentally friendly than organic or ceramic pads. If sustainability is a priority, this could be a drawback.
5. **Shorter Lifespan Than Premium Ceramic** While durable, semi-metallic pads may not last as long as high-end ceramic pads, which are designed for minimal wear and low dust. If you prioritize longevity above all else, ceramic pads might be a better choice.
6. **Potential for Glazing** Under extreme heat or heavy use, semi-metallic pads can develop a glazed surface, reducing friction and braking efficiency. This requires occasional resurfacing or replacement.
7. **Not Ideal for Light or Casual Riding** If you mostly ride on paved roads or lightly, the performance benefits of semi-metallic pads may not be necessary, and a cheaper organic pad might suffice.
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### **Conclusion:**The BrakeMaster MN/5H7W rear semi-metallic pads are an excellent choice for riders who demand reliable, high-performance braking in demanding conditions. They are particularly well-suited for off-road enthusiasts, aggressive riders, or those who frequently brake hard under load. Their durability, heat resistance, and compatibility with the WR450F make them a strong option for heavy use.
However, if you primarily ride lightly, prioritize noise reduction, or are concerned about rotor wear, you might consider alternative pad types (e.g., organic or ceramic). That said, for the WR450F s typical use trail riding, aggressive braking, or mixed terrain the semi-metallic SM1 pads strike a solid balance between performance and practicality.
### **Recommendation:**For the **2003 2018 Yamaha WR450F**, the **BrakeMaster MN/5H7W rear semi-metallic pads (SM1 series)** are a **highly recommended upgrade**, especially if you:
- Ride aggressively or frequently brake hard.
- Use your bike for trail riding, enduro, or mixed terrain.
- Want a durable, long-lasting solution that performs well under heat.
- Are willing to invest in components that enhance braking safety.
If budget is a concern and you ride lightly, you could explore **organic pads** (e.g., EBC Redux or Hawk HPS) for the rear, but semi-metallic pads are the better all-around choice for this bike s typical use. Pair them with a **high-quality rotor** (e.g., EBC or Hawk) and ensure proper bedding-in for optimal performance.
Braking Rear SM1 Semi Metallic Pads for 2003 - 2018 Yamaha WR450F - Brake vl: Status: In Stock.