Hope r4 vision lightweight led front lightthe hope r4 vision lightweight led front light is a powerful front light that will guide you through your favourite trails in the darker hours of the day and keep you visually seen when it comes to riding through busy towns and cities the new lightweight option includes the smaller 2600mah 2 cell li ion battery which offers half the burn times of the 5200mah epic battery for shorter duration activities although it is worth noting that the 2600ma