Custom Dynamics Magic Strobes brake light flasher - 11-17 Softail Heritage Classic, Fatboy/Low/S, Cross Bones, Deluxe; 12-17 Dyna Super Glide Custom, Fat Bob, Switchback, Lo Rider (NU) 971621 If you expect rain or

If you expect rain or snow

lower and faster look

350" longer woodruff key

Also the breather's cavity oil evacuation hole (opposite of the drive gear)

shaft gear

Custom Dynamics Magic Strobes brake light flasher - 11-17 Softail Heritage Classic, Fatboy/Low/S, Cross Bones, Deluxe; 12-17 Dyna Super Glide Custom, Fat Bob, Switchback, Lo Rider (NU) 971621 If you expect rain orCAN bus compatible. The Magic Brake Strobe is installed as a simple plug in connection in the brake wiring. It will give you 10 user selectable strobe patterns. Four patterns are available with regular incandescent light bulbs, all 10 patterns will work with LED lighting.