KTM 640 black X-ring transmission kit

16-tooth sprocket, 40-tooth steel crown and chains with black X-ring retainers with 520 pitch, 114 links and rivet closure

16-tooth sprocket, 42-tooth aluminum crown and chains with 520 pitch gold X-ring retainers, 118 links and rivet closure

16-tooth sprocket, 40-tooth aluminum crown and chains with black X-ring retainers with 520 pitch, 110 links and rivet closure

14-tooth sprocket, 48-tooth aluminum crown and 520 pitch black X-ring chains with retainers, 118 links and clip closure

14-tooth sprocket, 45-tooth steel crown and 520 pitch black X-ring chains with retainers, 118 links and Clip closure