also, FWIW core strength (strength through your midriff) will improve your cycling by allowing you to transfer more power through your leg muscles - effectively it provides your legs a more stable platform to push from. it will also help your body position, efficiency and improve stamina.
improving your core strength will not provide a silver bullet that makes you ride faster, but it is an important part of a serious training program.
also, FWIW core strength (strength through your midriff) will improve your cycling by allowing you to transfer more power through your leg muscles - effectively it provides your legs a more stable platform to push from. it will also help your body position, efficiency and improve stamina.
improving your core strength will not provide a silver bullet that makes you ride faster, but it is an important part of a serious training program.