Our all new design includes a 52 tooth front pulley and 69 tooth rear pulley both 69mm wide and driven with our specially designed 142 tooth belt which rounds off the perfect combination. Other features include a speciall designed ring gear for easy starting and of course our Ball Bearing lock up clutch that provides positive engagement with minimal clutch pull. 2-3/4" drive fits 2007-Up Softail and 2006-Up Dyna. Available finishes: Polished, Chrome, Black and Clear Anodized.