Wunderlich - Lean Angle Indicators For The Original Option 719 Footrests for BMW R 1300 GSWunderlich Lean Angle Indicators: More Active Riding Safety, Confidence, and a Sense of Security Thanks to Early Feedback Before Reaching the Limit When Cornering Function and Product Features Motorcycles are often designed so that if an engine protection bar is installed the footrest and protection bar touch down almost simultaneously in a lean, which is uncritical in terms of tyre grip. For riders who, despite foldable footrests, want a reliable