RCB S1-FL 17mm Brake Pump

The RCB S1-FL 17mm Brake Pump (by Racing Boy) is a high-performance radial master cylinder designed to deliver stronger braking power, better control, and improved feel for both street and racing use. Built using advanced forging technology, it offers durability, precision, and a premium finish.

🔑 Key Features

⚙️ 17mm Piston Performance

• Equipped with a 17mm piston for stronger hydraulic pressure

• Provides firm brake feel and powerful stopping performance

• Ideal for high-speed riding and upgraded brake setups

🧱 Forged Aluminum Construction

• Made from forged alloy/aluminum body for high strength and lightweight design

• Improved durability under extreme braking conditions

🛠️ Radial Master Cylinder Design

• Radial layout improves brake modulation and control

• Offers more precise and responsive braking compared to stock pumps

✋ Adjustable & Foldable Lever

• Multi-adjustable lever for personalized reach

• Foldable design reduces damage risk during crashes

🎨 Premium Finish

• Anodized (often titanium/black color options)

• Corrosion-resistant and stylish look for upgraded bikes

🔧 Easy Installation

• Comes with reservoir, fittings, and hose adapter

• Compatible with most motorcycles (especially 300cc+ bikes)

📊 Specifications

• Model: S1-FL

• Type: Radial brake master cylinder

• Piston Size: 17mm

• Material: Forged aluminum (anodized)

• Position: Right-hand (front brake) / LH variant available

• Use: Street + racing

🏁 Performance Benefits

• Stronger and more immediate braking response

• Better control during aggressive riding

• Reduced lever flex and improved feedback

• Ideal upgrade from stock brake pump

⚠️ Important Note

• A 17mm master cylinder gives a firmer brake feel, but may require slightly more hand force compared to smaller sizes (like 14mm).

• Works best when paired with upgraded calipers, brake lines, and discs for full performance gain.