Yeah in '05 they had two different pulley and wheel designs, and if you have a mad clown, they had a tendency to crack. HDM has developed a thicker mad clown pulley that works great
BRAND NEW OEM POLISHED BIG DOG MOTORCYCLES "SAWBLADE" REAR DRIVE PULLEY. PART#142-0000??-02 . THIS 65 TOOTH 1 1/8" BELT PULLEY IS TEFLON COATED. CENTER HOLE MEASURES APPROX 2.25". ORIGINALLY USED ON 2005-2007 BIG DOG CHOPPER MODELS. . MADE IN THE USA BY THE ORIGINAL MANUFACTURER!!