

For 1.85x12 rims.
Very useful in cross use, but also recommended for motard with spoked rims.
Lock the rear tire to the rim avoiding the breakage of the inner tube.
Compatible with all rear 12 wheels.
For installation on rims that do not have a double hole (inner tube valve hole and tire retainer hole) it is necessary to make the second hole.
It is advisable to make the second hole opposite the valve hole.
For pit bikes and minicross.