Lean Angle: Bike Cornering

Lean Angle is the most accurate motorcycle lean angle meter, cornering tracker, and track day analyzer for Android. Measure live bank angle, peak corner lean, and average ride lean in degrees.

Whether you ride twisties on weekends, attend track days, or just want to know how hard you really lean — Lean Angle turns your phone into a precision motorcycle telemetry device.

▶ MAIN FEATURES
• Lean angle meter — live bank angle in degrees (left/right)
• Cornering tracker — peak lean per corner with timestamps
• Ride summary — max lean, average lean, total time
• Auto-calibration on a flat surface (1 second)
• 0.1° precision via accelerometer + gyroscope sensor fusion
• Hold mode locks the angle hands-free
• Real-time lean indicator with color zones (safe/aggressive/extreme)
• Distraction-free fullscreen mode for handlebar mount
• Dark mode with high-contrast numbers
• Works fully offline — no GPS, no data needed

▶ HOW TO USE
1. Mount your phone on the handlebar or fuel tank
2. Place the bike upright on a flat surface and tap "Calibrate"
3. Start riding — Lean Angle shows live bank angle
4. Review peak lean and average per corner after the ride

▶ WHO USES LEAN ANGLE
• Sport bike riders pushing canyon corners
• Track day enthusiasts logging cornering data
• Motorcycle instructors teaching lean angle technique
• MotoGP fans tracking their own corner game
• Adventure riders verifying off-camber traction limits
• Cruiser riders gauging confidence on twisties
• Cafe racer hobbyists measuring vintage handling
• Scooter riders learning safe city cornering
• Riding school students practicing leans
• Commuters comparing daily lean intensity