From Michelin. An innovative tread pattern with blocks and curved grooves, based on the Dakar-winning Desert Race tire, provides real off-road performance especially in soft terrain and challenging conditions. Specially designed compound gives a long tread life for extended adventure rides. Front and rear tire casing design ensures excellent on-road stability.
An -R after the size indicates that these are Radial tires.
These tires are R-rated (max speed of 106 mph)