The Pirelli MT 21 Rallycross rear tire is a dual-sport tire designed for riders who demand dependable off-road performance with the flexibility to travel on paved roads. Sized 110/80-18 with a 58P rating, this rear tire is engineered primarily for off-road use and delivers confident handling across dirt, gravel, trails, and other challenging terrain.
Built for extended rides, the MT 21 Rallycross provides excellent off-road performance over long distances and is recognized as a top-selling dual-sport tire in the United States. Its 90% off-road and 10% on-road design makes it a practical choice for motorcycles that spend most of their time off pavement while still requiring road-going capability between trail sections.
Fitment: Intended for compatible dual-sport motorcycles using a 110/80-18 rear tire. Confirm the motorcycle manufacturer’s fitment specifications, load requirements, and clearance before installation. This product is manufactured by Pirelli and is identified by Pirelli manufacturer part number 3988800 and vendor part number 3988800.
Features:
- Size: 110/80-18 rear tire size
- Model: MT 21 Rallycross
- Brand: Pirelli
- Manufacturer: Pirelli
- Manufacturer Part Number: 3988800
- Vendor Part Number: 3988800
- Load and Speed Rating: 58P
- Application: Dual-sport motorcycle tire
- Off-Road Bias: Designed for approximately 90% off-road and 10% on-road use
- Performance: Provides excellent off-road performance over long distances
- Fitment: Designed for compatible motorcycles requiring a 110/80-18 rear tire