The Pirelli MT 21 Rallycross rear tire is designed for riders who demand dependable off-road performance across extended distances. Built primarily for off-road use, this dual-sport tire delivers a 90% off-road and 10% on-road design balance, making it well suited for adventure motorcycles, trail riding, and mixed-terrain travel.
Featuring a 130/90-17 size and 68P load and speed rating, the Pirelli MT 21 Rallycross provides a practical fit for compatible rear-wheel applications. Its tread design supports traction on dirt, gravel, loose surfaces, and challenging trails while maintaining suitable road manners for limited pavement connections. Always verify motorcycle fitment, wheel specifications, and manufacturer recommendations before installation.
As one of Pirelli’s top-selling dual-sport tires in the United States, the MT 21 Rallycross combines durable construction with predictable handling for riders who spend most of their time off the pavement. This rear tire is identified by Pirelli manufacturer part number 3989100 and vendor part number 3989100.
Features:
- Brand: Pirelli
- Model: MT 21 Rallycross
- Tire Position: Rear
- Tire Size: 130/90-17
- Load and Speed Rating: 68P
- Intended Use: 90% off-road and 10% on-road dual-sport riding
- Performance: Designed for dependable off-road traction over long distances
- Fitment: Compatible with motorcycles requiring a 130/90-17 rear tire; verify application before installation
- Manufacturer Part Number: 3989100
- Vendor Part Number: 3989100