HappyRun Ebike Brake Oil

HappyRun E-Bike Hydraulic Oil Brake — Confident, Low-Maintenance Stopping

The HappyRun E-Bike Oil Brake is a hydraulic braking system designed for electric bicycles. It delivers predictable stopping power and smooth modulation while keeping routine maintenance to a minimum, so you can ride more and tinker less.

Benefits

• Ride more confidently on steep climbs and descents with consistent, strong braking when you need it.
• Maintain better control in traffic and mixed terrain thanks to smoother lever modulation for precise speed adjustment.
• Spend less time in the workshop—sealed hydraulic components and durable pads reduce frequent adjustments and inspections.
• Feel safer and more comfortable during daily use, even under the extra torque of e-bike motors.
• Upgrade or replace components easily—compatible with common rotor sizes and mounting standards for straightforward installation.

Features

• Hydraulic oil-actuated calipers and levers for steady pressure and consistent braking feel.
• Adjustable reach lever to accommodate different hand sizes and riding styles.
• Sealed hoses and fittings to minimize leaks and keep contaminants out.
• Bleed port and included fittings for straightforward routine maintenance and reliable performance.
• Comes with brake pads and all necessary mounting hardware for front and rear installation.
• Compatible with common rotor diameters and standard post-mount setups for flexible configurations.

Specifications

• System type: Hydraulic oil brake (mineral oil-based)
• Caliper configuration: 2-piston caliper
• Materials: Aluminum alloy calipers and levers; stainless steel hardware
• Weight: Approximately 420 g per set (excluding rotors)
• Hose length: ~1200 mm per wheel (trim-to-fit)
• Rotor compatibility: 160 mm–203 mm
• Mount type: Post-mount (adapters available separately if required)
• Includes: Front and rear calipers, levers, hoses, brake pads, mounting bolts, bleed fittings