CYLINDER WORKS CYLINDER STANDARD BORE 45MM GASGAS MC65 21-23 HUSQVARNA TC65 17-23 KTM 65 SX 09-23Replacement cylinder barrel from Cylinder Works Why waste your money on plating that old cylinder barrel that has done its day, or on a very costly genuine cylinder barrel. Both these can add extra time to the repair work, so you may miss out on those good up and coming rides. Solve these problems by installing a new cylinder barrel form Cylinder Works USA. Cylinder Works barrels have been manufactured to exceed genuine specifcations and are finished