BIKEMASTER MN-18QT Rear Brake Master Cylinder Shoes MN/18QT

( Brand: Bikemaster ), ( Manufacturer Part Number: MN/18QT ), ( Type: Brake Shoes ), ( Compatible Year: 1992 1991 1990 ), ( Bundle Description: 1 Pc Genuine Bikemaster Brake Shoes ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Position: Rear )

Review BIKEMASTER Mn/18qt Rear Brake Shoes Yamaha Ob fits RT180 1990–1992

The **BikeMaster MN/18qt Rear Brake Shoes** are a meticulously engineered, high-performance replacement set designed specifically for the **1990 1992 Yamaha RT180 OB**, ensuring optimal braking efficiency, durability, and safety for riders of this classic cruiser. Crafted from premium **abrasion-resistant, heat-resistant, and chemically stable materials**, these brake shoes are engineered to withstand the demanding conditions of daily riding, offering superior friction and longevity compared to standard aftermarket alternatives. The **MN/18qt** designation indicates a precise fit tailored to the RT180 s rear brake caliper, with a **18-quart capacity** that guarantees consistent contact with the rotor, minimizing wear and preventing premature glazing an all-too-common issue with generic brake components. Unlike mass-produced replacements that may compromise on material quality or fit, these shoes feature **optimized curvature and thickness**, allowing for even pressure distribution across the rotor s surface, which translates to smoother, more responsive braking and reduced noise during use. The **self-lubricating properties** of the friction material help maintain performance even under high temperatures, while the **corrosion-resistant construction** ensures resistance to moisture and road debris, making them ideal for riders who operate in varied or harsh environments. Whether you re cruising on highways, navigating city streets, or tackling light off-road conditions, these brake shoes deliver **reliable stopping power** while preserving the integrity of your RT180 s braking system. Perfect for both restoration projects and routine maintenance, the BikeMaster MN/18qt Rear Brake Shoes represent a **cost-effective, high-quality upgrade** that restores confidence in your bike s handling and extends the lifespan of your brake components.

### Pros and Cons of Buying Bikemaster MN/18qt Rear Brake Shoes for a 1990 1992 Yamaha RT180 OB

1. **Compatibility** The Bikemaster MN/18qt brake shoes are designed to fit the rear brake caliper of the RT180, ensuring a proper fit without modification. The RT180 s rear brake system is a drum brake with internal shoes, and these shoes are a direct replacement for the OEM parts, which may wear out over time.

2. **Durability** Bikemaster is a well-known brand in the motorcycle aftermarket, known for producing high-quality brake components. Their shoes are typically made from durable materials that resist wear and heat buildup, extending the lifespan of the brake system.

3. **Performance** These shoes are designed to provide consistent braking power, reducing the risk of brake fade or uneven stopping. Since the RT180 s rear brake is a secondary braking point (primary braking is handled by the front disc brake), reliable rear shoes improve overall stopping efficiency and safety.

4. **Ease of Installation** Replacing rear brake shoes on an RT180 is a straightforward process that can be done with basic tools. The Bikemaster shoes should fit without requiring resizing or special adjustments, making them a convenient upgrade.

5. **Cost-Effective Upgrade** Compared to full brake system overhauls or aftermarket calipers, replacing just the brake shoes is a budget-friendly way to maintain or improve braking performance. They are significantly cheaper than purchasing a complete rear brake assembly.

6. **Maintenance Convenience** Since the RT180 s rear brake is a drum brake, the shoes are exposed and can be inspected or replaced without disassembling the wheel hub. This makes routine maintenance easier compared to disc brake systems.

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1. **Limited Availability of Aftermarket Options** Unlike disc brake pads, drum brake shoes are less commonly discussed in aftermarket upgrades. Finding alternative brands or higher-performance shoes may be difficult, limiting customization options.

2. **Potential for Dust and Wear** Drum brakes generate more dust and debris than disc brakes, which can accumulate on the wheel and frame. Regular cleaning will be necessary to prevent buildup that could affect performance or aesthetics.

3. **Dependence on Adjustment** Drum brakes require periodic cable or screw adjustments to maintain proper brake clearance and effectiveness. If the shoes are not adjusted correctly, they may drag or fail to engage properly, leading to uneven wear or overheating.

4. **Less Modern Technology** Drum brakes are less efficient than disc brakes in terms of heat dissipation and stopping power. While the Bikemaster shoes improve upon OEM parts, they still cannot match the precision and performance of a modern disc brake system.

5. **Potential for Misalignment** If the shoes are not installed correctly or if the brake drum is worn unevenly, the shoes may not make full contact with the drum, reducing braking efficiency. This requires careful attention during installation.

6. **Limited Longevity Compared to Disc Brake Pads** While drum brake shoes last longer than disc brake pads in some cases, they are still subject to wear from friction and heat. On a high-mileage RT180, they may need replacement more frequently than expected if ridden aggressively.

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### **Conclusion and Recommendation**

The Bikemaster MN/18qt rear brake shoes are a **practical and cost-effective choice** for restoring or upgrading the rear brake system of a 1990 1992 Yamaha RT180 OB. They offer a direct replacement solution that improves upon the original equipment, ensuring reliable braking performance without the complexity of a full brake overhaul.

- **Proceed with purchase** if your RT180 s rear brake shoes are worn, squeaking, or failing to engage properly. These shoes will provide a noticeable improvement in braking consistency and safety.

- **Pair the upgrade with routine maintenance**, including regular adjustments and cleaning of the brake drum and shoes to maximize longevity.

- **Consider supplementing with a front brake upgrade** (e.g., aftermarket brake pads or a larger rotor) if you prioritize overall braking performance, as the RT180 s front disc brake is the primary stopping point.

- **Avoid neglecting the rear brake system** even if the front brake is adequate, a well-functioning rear brake enhances control, especially during cornering or in slippery conditions.

For most riders, the Bikemaster shoes are a **smart, low-risk upgrade** that extends the life of the RT180 s rear brake system without requiring significant mechanical skill or investment. If you notice signs of brake wear (e.g., grinding, reduced stopping power, or excessive heat), replacing the shoes is a straightforward and effective solution.

Details:

BikeMaster Rear Brake Shoes for 1990 - 1992 Yamaha RT180 - ob: Status: In Stock.

part #: mn18qt price

• $32.29

specifications cyclebrakeshoe:

• for models: Rt180
• for makes: Yamaha
• for years: 1990-1992
• brand: Bikemaster
• mpn: Mn/18qt
• type: Brake Shoes
• compatible year: 1992 1991 1990
• bundle description: 1 Pc Genuine Bikemaster Brake Shoes
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• position: Rear

seller cyclebrakeshoe:

• rating: 99.3%
• # reviews: 24057
• city: Multiple warehouses

shipping cyclebrakeshoe:

• type: Fixed
• service: Standard
• class: Standard
• transit: 2-6 Days
• cost: $0.00

returns cyclebrakeshoe:

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

payments cyclebrakeshoe:

• other
• wallet: Paypal
• credit card: Diners-club

general cyclebrakeshoe:

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

offer cyclebrakeshoe:

• quantity: 1
• sold: 0
• started: June 11, 2026
• options: Ship-to-home
• availability: In Stock

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