The Pirelli MT 21 Rallycross rear tire is a dual-sport motorcycle tire designed primarily for off-road riding while maintaining dependable performance on paved roads. This 130/90-18 tire features a 69R rating and is engineered for riders who need reliable traction and handling across demanding trails, gravel, dirt, and mixed-terrain routes.
As one of Pirelli’s top-selling dual-sport tires in the United States, the MT 21 Rallycross provides excellent off-road performance, including during extended rides. Its 90% off-road and 10% on-road design makes it well suited for adventure motorcycles and dual-sport models that spend most of their time on unpaved surfaces but still require road-going capability between trails.
Feature: Rear motorcycle tire designed for dual-sport and off-road applications.
Feature: 130/90-18 size with a 69R service rating.
Feature: 90% off-road and 10% on-road performance balance.
Feature: Built for dependable traction over dirt, gravel, and varied off-road terrain.
Feature: Pirelli manufacturer part number 3988500 and vendor part number 3988500.
Fitment should be verified against the motorcycle manufacturer’s specifications before installation. Confirm that the 130/90-18 rear tire size, load and speed rating, wheel configuration, and intended riding conditions are compatible with your motorcycle. The Pirelli MT 21 Rallycross is supplied as a rear tire and is not intended to replace a different size or front-wheel application without confirming proper fitment.
Features:
- Rear dual-sport motorcycle tire for primarily off-road use
- 130/90-18 tire size with 69R rating
- 90% off-road and 10% on-road performance design
- Excellent off-road performance for extended rides
- Pirelli manufacturer and vendor part number 3988500