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Just Landed EMMA 4.0 Is Here — Ride Smarter, Ride Further

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roll-road

E-Bike Brake Master Cylinder

Regular price
$169.00
Regular price
Sale price
$169.00 Save $-169.00 (%)
Tax included.
Select Hydraulic Brake
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Bike Helmet Specs

  • Material: PC Shell + EPS Foam
  • Head Circumference: 57–62 cm (22.4–24.4 in)
  • Color: Black
  • Manufacturing Process: In-Mold Construction
  • Weight: 330 g

Bicycle Helmet Features

Bicycle Helmet Features

  • High-quality in-mold PC shell with high-density EPS foam for enhanced impact absorption
  • Extended, wide magnetic interchangeable lens with anti-glare coating and 3 viewing modes
  • Quick-release magnetic buckle for easy one-second wear and removal
  • 14 large ventilation ports for efficient airflow and cooling
  • Adjustable dial-fit system for personalized head circumference adjustment
  • Integrated rear LED light with 3 modes (steady/flash/SOS) for enhanced night visibility
  • Removable and washable interior padding for hygiene and comfort

Powerful Braking: Delivers balanced braking with no abnormal noise. Pre-bled with eco-friendly mineral oil, ready to use.

E-bike Ready: Includes brake lever, hydraulic hose, spare connectors, disc brake caliper, and brake cut-off sensor.

Suitable for: RollRoad Emma 3.0, Emma 4.0, LEON electric bike Leon

NOTE: This brake system distinguishes between left and right. Please be sure to verify details or consult our customer service team before making a purchase!