Repeated red lights force repeated accelerations—exactly where riders tend to mash big gears and irritate their knees. Use a knee-friendly “start gear,” shift early while the chain is moving, and follow simple sequences—

Learn what cycling cadence (RPM) really means, how bike gears affect it, and how to shift smoothly so you climb, cruise, and accelerate without burning out your legs—or your knees. Includes beginner cadence targets, step