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Continue to ChatX21A Rear Sprocket 37 Teeth - PBC728XL - https://www.powersportamerica.com/gio-bike-parts-master-catalogue/x21a-rear-sprocket-37-teeth-pbc728xl
X21A Rear Sprocket 37 Teeth - PBC728XL - https://www.powersportamerica.com/gio-bike-parts-master-catalogue/x21a-rear-sprocket-37-teeth-pbc728xl