NIU OEM Rear Brake Lever Assembly for NIU KQi2 / KQi3 / KQi 300

NIU OEM Rear Brake Lever Assembly for NIU KQi2 / KQi3 / KQi 300. Calipers, rotors, levers and master cylinders make up your scooter's braking system. Built to fit NIU KQi2, NIU KQi3. Shop more NIU Scooter Parts and Scooter Brake Parts.

Replace warped rotors, leaking calipers or damaged levers right away. Confirm front or rear position and rotor diameter.

Product details

Restore safe, responsive braking to your NIU electric scooter with this OEM Rear Brake Lever Assembly. Mounted on the left side of the handlebar, this is a complete electronic brake lever unit — it actuates the mechanical rear brake while simultaneously sending a motor cut-off signal through the integrated wiring harness to stop power delivery the moment you squeeze. The assembly includes the lever, clamp body, brake cut-off button, and multi-wire harness with connector, ready for a direct OEM swap.

Key Features

• OEM NIU Direct Replacement: Exact fit for KQi2, KQi3, and KQi 300 series handlebar assemblies.
• Integrated Motor Cut-Off Switch: Electronic brake signal cuts motor power on lever engagement for safer, faster deceleration.
• Left-Side Handlebar Mount: Correct position for the rear brake on NIU KQi series scooters.
• Complete Assembly: Lever, clamp body, cut-off button, wiring harness with JST-style connector all included.
• OEM Quality: Sourced from NIU — correct ergonomics, feel, and connector compatibility.

Specifications

• Position: Rear brake / left handlebar
• Switch Type: Integrated electronic motor cut-off
• Connector: Multi-wire JST-style (red, blue, black)
• Fitment: OEM direct replacement

Compatibility

• NIU KQi2 Pro: Direct OEM replacement
• NIU KQi3 Sport: Direct OEM replacement
• NIU KQi3 Pro: Direct OEM replacement
• NIU KQi3 Max: Direct OEM replacement
• NIU KQi 300P: Direct OEM replacement
• NIU KQi 300X: Direct OEM replacement

Specifications

• Fits: NIU KQi2, NIU KQi3
• Part type: Brake Parts
• Condition: New

Fitment check

Compare this part with your original before ordering: match the size, connector or part number, and the position on your scooter. Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm.

Shop more: NIU Scooter Parts · Scooter Brake Parts · Electric Scooter Parts · Scooter Parts