Product Description Replacement cush drive 2.0 elastomer for STACYC electric powered balance bikes. Sold individually. Detailed Specifications: Cush drive 2.0 elastomer for the STACYC 16eDrive Elite, 18eDrive and 20eDrive models. STACYC Cush Drive 2.0 Elastomer - 16eDrive Elite / 18eDrive / 20eDrive at Motosport $5.00 Buy Now Check Price on Amazon Check Price on eBay MPN: 420066