
Lug Nut Washer (Pair) - 21 MM
Replacement Lug Nut Washer Pair – 21 mm for Nanrobot D4+ 2.0, D4+ 3.0, D6+, RS7, LS7 & LS7+ Electric ScootersMaintain proper wheel alignment and axle pressure with this OEM-spec washer pair, sized for 21 mm lug nuts on Nanrobot scooters. These flat washers provide a stable mounting surface, distribute torque evenly, and help prevent damage to motor components. Ideal for replacing missing or worn washers during wheel servicing or axle maintenance. Features: Compatible with Nanrobot D4+ 2.0, D4+ 3.0, D6+, RS7, LS7 & LS7+ scooters Includes 2 flat washers sized for 21 mm lug nuts Helps evenly distribute torque for secure fastening Prevents axle distortion and hardware damage OEM-spec design ensures proper fit and performance