18" + 21" Front 80/100-21 Rear 110/90-18 Tire + Tube Motocross MX Off Road | eBay
1.6 X 17 1.6 X 19 1.6 X 21 With 15mm Bearing Assembly Wheel Rim For 70/100-17 70/100-19 80/100-21 Front Wheel Tire Chinese Kayo - Motorcycle Tires & Wheels - AliExpress
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Pirelli Scorpion MX32 Extra X 80/100-21 F 110/90-19 R Dirt Bike Tires Set | eBay
Amazon.com : WPHMOTO Front 80/100-21 & Rear 110/90-18 Dirt Bike Tire and Inner Tube Set | Off Road Mud Motocross Motorcycle Tires and Tubes : Sports & Outdoors
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