D4+ 3.0 Parts - RoadRunner Scooters

Handlebar Tbar Assembly - D4+ 2.0, D4+ 3.0, D4+ 4.0 - RoadRunner Scooters

$99

Replacement T-Bar (Top Half of Stem) for Nanrobot D4+ Electric ScooterRestore the stability and function of your scooter with this OEM‑spec replacement T‑bar, the top half of the Nanrobot D4+ stem....

Speed Control (Front) - D4+ 2.0 (New Generation) 3.0, 4.0 - RoadRunner Scooters

$100

Replacement Front Electronic Speed Controller (ESC) for Nanrobot D4+ 2.0 (New Generation) and D4+ 3.0 Electric Scooters Ensure smooth front motor performance with this OEM-spec front speed controll...

Save $20

Charger - D4+ 2.0, D4+ 3.0, D4+ 4.0 Scooters - RoadRunner Scooters

from $79

~~$99~~

This is the official RoadRunner replacement or spare charger, designed specifically for your model. Each charger is tuned to your scooter’s voltage and connector type—using the wrong one can damage...

Fender (Rear) - D4+ 2.0, D4+ 3.0, D4+ 4.0 - RoadRunner Scooters

$25

Replacement Rear Fender for Nanrobot D4+ 2.0 & 3.0 Electric ScootersProtect your scooter and rider from mud, water, and debris with this OEM‑spec replacement rear fender for the Nanrobot D4+ 2....

Lug Nut (Pair) - 21 MM - RoadRunner Scooters

$10

Secure your scooter’s motor axle with this 21 mm replacement lug nut pair, designed specifically for several Nanrobot models. These heavy-duty nuts ensure proper torque retention and safe wheel att...

Save $10

Folding Latch - All D4+ 2.0, D4+ 3.0, D4+ 4.0 - RoadRunner Scooters

$30

~~$40~~

Replacement Folding Latch for Nanrobot D4+ Electric ScootersRestore the stability and safety of your scooter’s folding mechanism with this OEM‑spec replacement folding latch for the Nanrobot D4+ se...