Serious riders religiously employ tire-pressure gauges like the SKS Airchecker. These dedicated gauges are more accurate than on-the-pump gauges and can measure air in your tire at 0.5 PSI increments. Knowing exactly how low you can go without flatting or having the tire squirm in the corners is one step toward moving ahead in the pack, Yee says. Regular pressure measurements will allow you to keep your race-day setup consistent.
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