RCB E2 SERIES BRAKING SYSTEM
RCB S1 SERIES BRAKING SYSTEM
Recommended Additional Upgrades
Upgrade motorcycle’s braking performance with the high-performance RCB E4 Plus (E4+) 15mm Master Brake Pump. Designed for universal fitment, this premium master cylinder combines a robust external fluid reservoir with an ergonomically adjustable lever to deliver sharp, predictable stopping power and customized hand comfort.
Whether navigating daily city traffic or pushing limits on a weekend track day, the 15mm larger piston setup ensures rapid hydraulic pressure build-up with minimal lever effort.
Key Features
Precision 15mm Piston: Offers an ideal hydraulic ratio for single or dual-piston calipers, providing a firm, responsive brake feel and shorter stopping distances.
External Fluid Reservoir: Clear, high-impact external tank allows for effortless brake fluid level monitoring at a glance while managing heat dissipation efficiently.
Fully Adjustable Lever: Dial in the perfect reach distance to match your glove size and riding style, reducing hand fatigue during long rides.
Hard-Anodized Alloy Construction: Cast from high-quality alloy with a treated surface layer that maximizes corrosion resistance, hardness, and wear protection.
Sleek Aesthetic Upgrade: Features a premium matte black finish that instantly aggressive-ups the visual profile of your handlebar setup.
Technical Specifications
| Parameter | Specification Details |
| Model | RCB E4 Plus (E4+) |
| Piston Diameter | 15mm |
| Material | High-grade cast alloy |
| Surface Finish | Hard-anodized anti-corrosion layer |
| Reservoir Type | External transparent fluid tank |
FAQs
Is this master cylinder compatible with my motorcycle?
Yes, it offers universal fitment and works with most motorcycles, especially 150cc to 350cc bikes.
What is the advantage of a 15mm master cylinder?
A 15mm master cylinder provides stronger braking force and sharper response compared to smaller piston sizes.
Is this better than E2?
Yes, the E4+ offers more aggressive braking performance and improved feedback, making it a higher-tier upgrade.
Is this suitable for daily use?
Yes, it is suitable for both daily riding and performance riding.
Does it improve braking performance significantly?
Yes, it provides stronger stopping power and better control compared to stock master cylinders.
Do I need other upgrades?
For best results, pair it with an RCB brake hose and caliper.
How do I verify authenticity?
Scan the authentication QR code included with the product.
