Hero unveils Passion Pro TR ,first 100cc on-off bike at the Auto Expo.The all-new 100-cc Passion Pro TR offers an adventurous ride to young Indian bikers with its ability to take them off the conventional roads. The Passion Pro TR offers an exciting off-pavement ride capacity with its host of new external features that includes on-off tyres, sturdier handlebars with cross brace, high front fender, hugger front fender, headlight grill , hand guards for added protection, bash plate and fuel tank pads. Adding extra punch to the styling are the all new colours and graphics.