The Duro HF910 130/90-10 Tubeless Scooter Tire features an aggressive dual purpose tread pattern for use on pavement, hard pack and loose-on-hard terrain. The large knobby tread pattern evacuates sand and mud efficiently when riding through muddy or loose terrain. Stock rear tire size fits Yamaha Zuma 50 and fits NPS 50 Ruckus. Duro Brand Tubeless Size: 130/90-10Tread Pattern: HF9103 Ply RatingOverall Diameter: 482.6mm (19 inches)Section Width: 120mm (4.75 inches)Speed/Load Rating: 61JMax Load: 560 lbs. @ 25 PSITread Depth: 9mmRim Width: 3 inchesDoes Not Include Rim