The Rubena Kratos is best suited for XC racing and marathon type events with its aggressive yet short knob pattern.
Made in the Czech Republic
Weight: 700g (29x2.25 Black), 720g (29x2.25 Grey/Black), 620g (26x2.25 Black), 640g (26x2.25 Grey/Black)
Black tread features 60 durometer while the grey/black portions are 45
Manufacturer's Part #: 5 10952430 052