The cateye loop 2 rear rechargeable light is the perfect extra light addition 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 10 hours flashing and 25 hours constant run time installs easily on all 22 32mm diameter bars get noticed with the loop 2 series of cateye lights