The topeak defender iglow x mudguard set is a sleek rear road fender which features an integral glow technology giving you safety at night and in all low visibility conditions the unique illuminated fender quickly straps to your seatpost providing you with ultimate protection from road spray and grime and can be easily removed in seconds the topeak muduard brings a highly polished underside which prevents any dirt buildup resulting in easier cleaning the guard is also built with a sing