I AM SELLING PARTS REMOVED FROM A PREVIOUS TRACK BIKE. ALL PARTS ARE IN GREAT SHAPE. USED TWO SEASONS. 2 REAR WHEELS 17 X 5.5 black. 1 SET OF CUSH DRIVE. BOTH ARE STRAIGHT $200OBO BAZZAZ QS4 usb STAND ALONE QUICK SHIFT. SHIFT ROD HAS BEEN PRECUT FOR GSXR 750. PLEASE READ: THIS IS A PULL TYPE SENSOR FOR REVERSE/GP SHIFT. $200OBO Pictures on Craigslist. https://chicago.craigslist.org/wcl/mpo/6528394320.html