I WENT WITH A BIGGER SPROCKET ON THE REAR. IT WORKED BETTER BECAUSE THE FRONT IS HARDER TO CHANGE AND IF U OVER TIGHTEN IT THE SEALS WILL LEAK. THE REAR IS PLENTY. GO WITH LIKE A 5 OR 10 TOOTH BIGGER IN THE REAR. I HAVE A 45 TOOTH REAR INSTED OF THE 32 THAT CAME ON MINE.