HappyRunSports E-bike Oil Brake

HappyRun E-Bike Hydraulic Oil Brake — Confident Stopping for Everyday Rides

The HappyRun E-Bike Oil Brake is a hydraulic braking system built for electric bicycles. It delivers consistent, controllable stopping power with low upkeep, so you spend less time on repairs and more time riding safely and comfortably.

Benefits

• More confidence on steep climbs and descents — predictable, strong braking when you need it.
• Improved control in traffic and mixed terrain — smoother modulation helps you feather speed precisely.
• Less time in the workshop — sealed hydraulic operation and durable pads reduce frequent adjustments.
• Comfort and safety for daily use — reliable performance under load from e?bike torque.
• Simpler upgrades — compatible with common rotor sizes and mounting standards so installation is straightforward.

Features

• Hydraulic oil-actuated calipers and levers for consistent pressure and modulation.
• Adjustable reach lever to fit different hand sizes and riding styles.
• Sealed hose and fittings to minimize leaks and contamination.
• Bleed port and fittings included for routine maintenance and reliable performance.
• Includes brake pads and mounting hardware for front and rear installation.
• Compatible with common rotor sizes and post-mount standards for flexible setup.

Specifications

• System type: Hydraulic oil brake (mineral oil-based)
• Caliper pistons: 2-piston caliper
• Material: 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 needed)
• Includes: Front and rear calipers, levers, hoses, brake pads, mounting bolts, bleed fittings