90/90-21 54M 6-Days Extreme Soft

The specific distribution and shape of the knobs along with their sharp edge provides the best traction on all terrains and in all racing field.
Rear sizes feature also a smooth contour design which lends to includes more knobs under the footprint area that ensures both traction and wear resistance.
The main benefits of the 6 DAYS EXTREME tread design are:

Extreme traction
Self-cleaning
Precision in straights and braking stability
Cornering stability
Lateral support