Sparex source: https://us.sparex.com/sparex-seat-assembly-71072.html Product: Sparex Seat Assembly - Sparex S.71072 SKU: S.71072 Listing note: Complete Seat with Suspension - Black,Sliding Base, Flat Mount, Flat or Angle Back, Weight Adjustment, Fully Assembled, 15 Wide Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.