Drivetrain

From the clutch to the rear wheel for Harley-Davidson® Big Twin and Sportster builds. Belt Drives LTD open primaries in 2, 3 and 3-3/8-inch widths, offset transmission sprockets machined by Twisted Choppers for wide-tire Sportsters and 5 and 6-speed Big Twins, aluminum rear sprocket and pulley spacers, 530 O-ring chains from BikeMaster and Drag Specialties, PBI sprockets, and S&S transmission parts. Building a wide-tire bike? Start with the offset sprockets.