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 Tire tread is composed of several ribs. 2  Turn the penny so that Lincolnâs head points down into the tread.  See if the top of his head disappears between the ribs. If it does, your tread is still above 2/32â , If you can see his entire head, it may be time to replace the tire because your tread is no longer deep enough.