Stamina training and strength training influence the structure of your body differently and how you burn fat . Stamina training increase your muscles capacity to produce and use the energy they need to contract,since you are adding more powerful cyclers,but muscle is a different matter this requires strength training that builds you up,making you a bigger stronger and sturdier muscle fiber structure,this is because when you do any resistance training pulling or pushing some kind of weight ,you create tiny tears in your muscle fibers,your body reacts to this by saying if tear down my frame i will build a stronger and bigger one next time by doing this regularly you will body will burn fat faster because muscle serves as a primary energy consumer for the body.