HappyRun Brake Disc EBike

HappyRun E-Bike Brake Disc — predictable stopping for electric bikes

Overview

The HappyRun E-Bike Brake Disc is a rotor designed specifically for the higher torque and longer descents of electric bicycles. Its heat-managed construction and corrosion-resistant finish keep braking consistent in steep climbs, extended rides, and wet conditions.

Benefits

• Brake with confidence on long or steep rides — predictable bite and modulation reduce surprises.
• Spend less time on maintenance — durable materials and construction extend rotor life and service intervals.
• Ride safely in mixed weather — the design sheds water and debris for more reliable stopping in rain.
• Enjoy quieter, smoother braking — reduced vibration and noise make rides less tiring and distracting.
• Replace or upgrade easily — available sizes and common mounting options fit most e-bike setups.

Features

• Reinforced, heat-treated stainless steel built to handle e-bike torque loads.
• Ventilated and machined braking surface for faster heat dissipation and fade resistance.
• Drilled and/or slotted pattern to clear water and small debris from the pad interface.
• Corrosion-resistant surface finish for use in wet or salty environments.
• Offered in multiple diameters and mounting standards to match common hubs.

Specifications

• Material: Heat-treated stainless steel with anti-corrosion finish
• Available diameters: 160 mm, 180 mm, 203 mm
• Thickness: approximately 1.8 mm–2.3 mm (varies by diameter)
• Approximate weight: 160 mm ~120 g, 180 mm ~160 g, 203 mm ~200 g
• Mounting: 6-bolt standard; center-lock variants available
• Compatibility: Works with hydraulic and mechanical disc brake calipers (use recommended e-bike pads)
• Recommended brake pads: sintered or semi-metallic for best performance under higher loads