Amazingly small and super bright 3-1 (Run-Turn-Brake) rear indicator lights Engineered in Germany with SMD-LED technology Die-cast housing with 8 mm (M8) thread Tinted glass with 0.4" (11 mm) diameter Direct fit on most M8 Softails Some applications may require the use of a load equalizer. Older Sportsters, Dynas and Softails may require minor modifications to strut to fit.. LIGHT TSIG NEO MINI BLACK