{"product_id":"avon-spirit-st-rear-motorcycle-tire-180-55zr17-73w-part-number-640584","title":"Avon Spirit ST Rear Motorcycle Tire 180\/55ZR17 (73W), Part Number 640584","description":"Tire - Spirit ST - Rear - 180\/55ZR17 - (73W)\n\u003cp\u003eThe Avon Spirit ST is an ultra-high-performance sport touring rear motorcycle tire designed for riders who want confident handling, dependable grip, and long-lasting mileage. This rear tire is sized 180\/55ZR17 with a 73W speed rating, making it suitable for motorcycles specified for this fitment. Manufactured by Avon and identified by manufacturer and vendor part number 640584, the Spirit ST combines advanced tread technology with a performance-focused construction for sport touring applications.\u003c\/p\u003e\u003cp\u003eFeature: 3D Sipes use interlocking three-dimensional points hidden within the tread grooves to improve stability and grip while limiting tread flex. This design also helps the tire warm up quickly for more consistent performance. Feature: Dual tread compound technology provides a balance of strong cornering grip, responsive handling, and extended tread mileage. Feature: A highly loaded silica compound combined with advanced polymer technology supports reliable traction in both wet and dry conditions.\u003c\/p\u003e\u003cp\u003eThe Avon Spirit ST rear tire is engineered for sport touring motorcycles requiring a 180\/55ZR17 rear fitment and should be matched with a compatible front tire and vehicle-approved specifications. Confirm the motorcycle manufacturer’s recommended tire size, load rating, speed rating, wheel diameter, and clearance before installation. Professional mounting and balancing are recommended to help ensure proper performance and service life.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3D Sipes: Interlocking three-dimensional tread points improve stability and grip, limit tread flex, and help the tire warm up quickly.\u003c\/li\u003e\n\u003cli\u003eDual Tread Compound: Avon technology balances cornering grip, responsive handling, and long tread mileage.\u003c\/li\u003e\n\u003cli\u003eSilica and Polymer Compound: Highly loaded silica combined with advanced polymer technology supports wet and dry traction.\u003c\/li\u003e\n\u003cli\u003eSport Touring Performance: Ultra-high-performance rear tire designed for confident handling and dependable touring performance.\u003c\/li\u003e\n\u003cli\u003eFitment: Rear motorcycle tire sized 180\/55ZR17 with a 73W speed rating.\u003c\/li\u003e\n\u003cli\u003eBrand: Avon.\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 640584.\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 640584.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AVON","offers":[{"title":"Default Title","offer_id":67579133460715,"sku":"03021179","price":152.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/46661.png?v=1790835977","url":"https:\/\/ctracingservices.com\/products\/avon-spirit-st-rear-motorcycle-tire-180-55zr17-73w-part-number-640584","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}