RZMA Ruizuma Double Piston Hydraulic Disc Brake Caliper for Electric Motorcycles & Scooters

Upgrade your electric motorcycle's stopping power with the RZMA Ruizuma Double Piston Hydraulic Disc Brake Caliper. Engineered for high-performance commuting, mountain riding, and spirited cornering, this CNC-forged aluminum alloy caliper delivers linear, confident braking with every squeeze — no sudden jolts, no locking, no slipping. Whether you're navigating city streets or winding roads, take full command of your ride.

Why Choose the RZMA Double Piston Brake Caliper?

🔧 Symmetrical Dual Piston Layout

The symmetrical dual piston design ensures a perfectly balanced, linear output of braking force. Say goodbye to unpredictable braking behavior — enjoy smooth, progressive stopping power that gives you full control in every riding scenario: commuting, mountain runs, and tight bends.

💪 CNC Integrated Forging – High Strength & Durability

Crafted from high-strength aluminum alloy using an integrated CNC forging process, finished with a matte black hard anodized coating. The result: a surface that is smooth, wear-resistant, corrosion-resistant, and impact-resistant. Long-term use won't cause fading or deformation — the upgraded look stays sharp.

🔩 Universal Hole Spacing – Broad Compatibility

Standard installation hole spacing makes this caliper directly compatible with the vast majority of mainstream electric motorcycles and scooters, including Xiaoniu, No.9, Jixin, Yamaha, Honda, and more. No additional gasket processing required — installation is straightforward and hassle-free.

⚡ Precision Oil Circuit Optimization

Professionally optimized internal oil circuits ensure smoother air evacuation, a firm and responsive braking feel, and consistent high-speed braking performance. No more "soft brake" feeling — every input translates to confident, immediate stopping.

🛡️ Stainless Steel Pistons + Imported Seals

Stainless steel pistons combined with high/low temperature-resistant imported sealing rubber rings resist heat degradation during extended braking sessions. Performs reliably in rainy and wet conditions while virtually eliminating oil leakage, extending caliper service life significantly.

⚖️ Lightweight Design – Less Unsprung Weight

Without compromising structural integrity, this caliper has been weight-optimized to reduce unsprung mass compared to traditional cast iron calipers. The result is improved handling agility and more responsive acceleration.

🔄 Standard Exhaust Nozzle – Easy Maintenance

Equipped with a standard exhaust nozzle at the top, allowing for quick air bleeding and brake fluid changes using common tools. Daily maintenance can be performed without removing the calipers — beginner-friendly and practical.

🏁 High-Friction Brake Pads Included

High-performance brake pads with a stable friction coefficient are included as standard. Delivers excellent braking on both dry and wet road surfaces, with even pad wear for a longer service life.

✅ Anti-Counterfeiting Traceability

Each caliper features a brand-exclusive anti-counterfeiting label. Scan the QR code to verify authenticity and guarantee you're receiving a genuine RZMA product.

Specifications

Brand: RZMA (Ruizuma)
Model: JK26
Type: Double Piston Hydraulic Disc Brake Caliper
Material: High-Strength Aluminum Alloy (CNC Forged)
Finish: Matte Black Hard Anodized
Pistons: Stainless Steel
Seals: High/Low Temperature-Resistant Imported Rubber
Application: Electric Motorcycles, Scooters (Rear Brake)
Compatibility: Xiaoniu, No.9, Jixin, Yamaha, Honda & most mainstream models
Country of Origin: Made in China

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For more information on motorcycle braking safety standards, visit the National Highway Traffic Safety Administration or consult the U.S. Consumer Product Safety Commission (CPSC) for guidance on vehicle safety components.

Frequently Asked Questions

Q: Is this double piston hydraulic disc brake caliper compatible with my electric scooter or motorcycle?

A: This caliper uses standard universal hole spacing, making it directly compatible with the majority of mainstream electric motorcycles and scooters including Xiaoniu, No.9, Jixin, Yamaha, and Honda models, among others. No additional gasket machining is required for most installations.

Q: What material is the RZMA JK26 brake caliper made from?

A: The caliper body is CNC-forged from high-strength aluminum alloy and finished with a matte black hard anodized coating for corrosion resistance and durability. The pistons are stainless steel, paired with imported high/low temperature-resistant sealing rings.

Q: Can I maintain this brake caliper myself without professional tools?

A: Yes. The standard exhaust nozzle design allows for easy air bleeding and brake fluid replacement with commonly available tools. You do not need to remove the caliper for routine maintenance, making it accessible even for beginner riders.

Q: Does this caliper perform reliably in wet or rainy conditions?

A: Absolutely. The imported sealing rubber rings and stainless steel pistons are designed to resist heat degradation and maintain a stable seal in wet and rainy riding conditions, ensuring consistent braking performance regardless of weather.