1 New stairs-use a spatula to apply sufficient compound to inside of nosing to eliminate any gaps between nosing and stair. 2  Apply appropriate R.C.A. 3  Stair Tread Adhesive to the step and balance of part being installed. 4  Let dry 10-15 minutes.
What does the tire tread do? On a normal, smooth road, the tread has only limited influence on the riding properties. The grip generated by the tire on the road is almost exclusively the result of the rubber compound. Unlike a car, a bicycle will not aquaplane. The contact area is much smaller and the contact pressure is much higher.
1 When you run your hand over the tread blocks, they will feel like saw teeth. Heel/toe wear typically occurs in a shoulder rib and is often caused by excessive positive or negative toe.  Feather edge tire wear: Tires are âfeatheredâ when the tread ribs are worn lower/smoother on one side and higher/sharper on the other.