ONLY FOR PELOTON BIKES: The cages are designed for Peloton bike pedals ONLY. (Please check if your Peloton pedals come with 4 reserved holes at the back). Please note: NOT compatible with all other brand pedals. DUAL FUNCTION: Riding with Look Delta system clipless shoes: super efficient energy transfer to pedals. Or using those cages (toe clips) to convert the Peloton pedals to Look Delta & cage pedals dual function pedals for sneakers.