The cateye loop 2 rechargeable front light is an ideal extra light which is there to help keep you seen to other road users and pedestrians the loop 2 rc is born from the same sleek compact design and eye catching visibility as the loop 2 but is now rechargeable with just 15 hours of charge time you get 15 hours flashing 4 hours constant run time on the rear light installs easily on all 22 32mm diameter handlebars get noticed with the loop 2 series of cateye lights