2 Understanding Risk Factors Certain factors increase your risk of having an artery problem. Some things canât be controlled, such as older age or having a family history of artery problems. But you can control other risk factors, such as: This booklet is not intended as a substitute for professional medical care.
If the reading is lower than recommended, fill the tire with air by firmly pressing the air-hose tip onto the valve stem. You will hear air quietly enter the tire. If you hear air leaking or spraying out, you need to double-check that the connection between the air hose and the tireâs valve stem is secure. 7.
I always did the chalk line method: set the bike up with the valve stem on the ground and draw a chalk line at that point, roll the tire one full rotation forward (with your weight on it for an accurate 'on bike' reading) and draw a second chalk line exactly where the stem gets to the ground again. always did the chalk line method: set the bike up with the valve stem on the ground and draw a chalk line at that point, roll the tire one full rotation forward (with your weight on it for an accurate 'on bike' reading) and draw a second chalk line exactly where the stem gets to the ground again.