Fenix BC21R, an integrated yet versatile rechargeable bike light, delivers max 880-lumen neutral white light. The soundly reasonable four output modes plus Flash enrich the cycling activities and side red light ensures the riding safety. Moreover, quick-release bike mount makes it easier to mount or dismount the light. The feasibility to change battery gives the access to command runtime and prolong the lifespan of the bike light. This well-designed bike light goes anywhere for any activity, it commits to diversify your bike lifestyle and enhance your every ride such as road racing, bicycle riding and urban commuting.