GREAT FOR Indoor BIKES: The cages are specially designed for Indoor or road bikes with Look Delta style pedals, such as Peloton bikes. Compatible with Peloton Bike and Bike+. Please note: NOT compatible with Shimano SPD SL and Look Keo system. Strong material: the cages are made of enforced engineering heavy duty plastic. <br/>ADJUSTABLE CAGE POSITION: The only Indoor bike cages come with adjustable toe clip position. The max adjustment range is 15mm. It will always give riders very optimized riding position no matter how big feet the riders have. Cage size: 130mm to 145mm x 85 mm.<br/>DUAL FUNCTION: Riding with Look Delta style clipless shoes: More efficient energy transfer to pedals. Or using those cages (toe clips) to convert the Look Delta style pedals to cage pedals for sneakers.<br/>VIDEO INSTRUCTION: For more detailed instruction, please watch our video in the listing. Total Weight: 350g or 12.3 oz /pair.<br/>