The Avon Spirit ST is an ultra-high-performance sport touring rear motorcycle tire designed for riders who want confident handling, strong grip, and dependable mileage. This tire uses a 150/70ZR17 fitment with a (69W) speed and load rating, making it suitable for select sport touring motorcycles that require this application. Manufactured by Avon, the Spirit ST combines advanced tread technology with a performance-focused construction for responsive road behavior in a variety of riding conditions.
Feature: Interlocking three-dimensional points hidden within the sipes help improve stability and grip while limiting tread flex. This 3D Sipe technology also supports quick warm-up for more consistent performance during everyday rides and spirited touring. Avon’s dual-compound tread uses different rubber characteristics to provide enhanced cornering grip while supporting long-lasting center tread mileage.
Feature: A highly loaded silica compound combined with advanced polymer technology helps deliver reliable wet and dry traction. The tread compound is engineered to maintain road contact and rider confidence across changing weather and pavement conditions. As a sport touring tire, the Avon Spirit ST balances responsive handling with touring-oriented durability for riders covering both urban roads and longer-distance routes.
This rear tire is identified by Avon manufacturer part number 640593 and vendor part number 640593. Before installation, verify that your motorcycle is approved for the 150/70ZR17 rear tire size, the (69W) rating, and the required wheel and clearance specifications. Professional installation and balancing are recommended to help ensure proper fitment, handling, and tire performance.
Features:
- Size: 150/70ZR17 rear motorcycle tire with (69W) speed and load rating
- Model: Spirit ST ultra-high-performance sport touring tire
- Brand: Avon
- Manufacturer Part Number: 640593
- Vendor Part Number: 640593
- 3D Sipes: Interlocking three-dimensional sipe points improve stability and grip while limiting tread flex and supporting quick warm-up
- Dual Tread Compound: Provides enhanced cornering grip, responsive handling, and strong mileage
- Silica-Enhanced Compound: Combines high silica content with advanced polymer technology for wet and dry traction
- Fitment: Designed for the rear position on compatible sport touring motorcycles requiring a 150/70ZR17 tire