bike tail light bulbs are 1157 - two filaments, one for tail, one more for brake.
1156 is one filament, maybe used in some cars that have separate bulbs for tail and brake.
bike tail light bulbs are 1157 - two filaments, one for tail, one more for brake.
1156 is one filament, maybe used in some cars that have separate bulbs for tail and brake.
I think best headlight bulbs are Osram Silverstar and Phillips Vision Plus.