hello my name is paul im relatively new to road biking. i bought a cheap bike offline to get started. about 3 weeks i started riding every day and loving it. am i correct with my understanding that the components are what really make the bike ?. ive seen some bike like specialized allez triple with a 800$ price tag having sora/ tiagra . ive also seen stuff on bikesdirect.com with 105 or ultegra components cost around the same price range. im not planning on upgrading yet, but id like to have the knowledge for if there comes a time i am ready to. Fitting or constructing a bike isn't a problem.