Image Item No. Description  71721  Tire 132.6mm D. x 27mm Motorcycle Racing Tread Narrow Catalog: Parts: Wheel, Tire & Tread  71722  Tire 139mm D. x 37mm Motorcycle Racing Tread Catalog: Parts: Wheel, Tire & Tread  80542  Tire 75.1mm D. x 20mm Motorcycle Catalog: Parts: Wheel, Tire & Tread  80279  Tire 87.9 x 44 Catalog: Parts: Wheel, Tire & Tread