Nissin Semi-Radial Brake Master Cylinder Kit 19mm fits GSX-R, Katana, RGV250, TZR250, KR-1, GPZ900R, ZRX & More

Upgrade your braking performance with the compact semi-radial master cylinder designed for classic sport bikes, naked bikes, and custom builds.

The Nissin Semi-Radial Brake Master Cylinder Kit combines the compact fitment of a traditional horizontal master cylinder with braking feel inspired by modern radial systems. Its diagonal horizontal design improves lever ratio and hydraulic control, delivering stronger modulation and more direct brake response.

Perfect for motorcycles where full radial master cylinders are difficult to fit due to fairings, switchgear, or cockpit space limitations.

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🔥 PRODUCT DETAILS

Brand: Nissin
Product: Semi-Radial Brake Master Cylinder Kit
Type: Diagonal Horizontal
Piston Diameter: 19mm (3/4 inch)
Equivalent Horizontal Size: 5/8 inch

✔️ Compact semi-radial design
✔️ Improved braking feel and control
✔️ Black anodized body
✔️ Silver adjustable lever
✔️ Designed for 22.2mm handlebars
✔️ 6-position lever adjustment
✔️ Ideal for performance street and custom motorcycles

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📦 INCLUDED COMPONENTS

✔️ Brake Switch (2-pin flat terminal)
✔️ Mirror-hole-free Clamp Holder
✔️ Standard Aluminum Tank Bracket
✔️ Clear Anodized Naked Model Tank Bracket (46852)

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⚙️ PERFORMANCE FEATURES

✔️ More direct braking feel than standard horizontal master cylinders
✔️ Improved lever modulation and hydraulic control
✔️ Compact body simplifies installation on older motorcycles
✔️ Brake hose angle matches conventional master cylinders
✔️ Excellent upgrade for classic Japanese sport bikes

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🏍️ FITMENT

Compatible with a huge range of Japanese motorcycles including:

✔️ Suzuki GSX-R Series
✔️ Suzuki GSX1100S Katana / GSX750S Katana
✔️ Suzuki RGV250 Gamma
✔️ Suzuki Bandit Series
✔️ Yamaha TZR250 / FZR Series / R1-Z / RZ Series
✔️ Kawasaki KR-1 / GPZ900R / ZRX / Zephyr Series
✔️ Honda CBR / CB / VFR / RVF Series
✔️ Triumph Daytona & Speed Triple Models
✔️ And many more

Please confirm compatibility before purchase.

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⚠️ IMPORTANT NOTES

• Banjo bolt (10mm x P1.25) sold separately
• Do not use silicone-based DOT5 brake fluid
• Lever feel may differ from OEM even when using the same piston size
• Lever position must be adjusted to prevent contact with the grip
• Designed for Japanese domestic market specifications
• International road legality not guaranteed
• Images shown for reference only
• Instructions, if included, may be in Japanese

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⚔️ Precision Brake Control • Built For Riders Who Push Hard