FUNCTION I & II - Mount the toe cages on the back of the Peloton pedals directly by using the adapters included in the package. Please note: The adapter is compatible with Peloton pedals (NOT included) ONLY. You can also mount the toe cages with road bike pedals cleats, which are compatible with LOOK Delta, Keo, and Shimano SPD-SL (The road bike pedals and cleats are NOT Included). FUNCTION III & IV - Mount the toe cages with Shimano MTB SPD cleats, compatible with the Shimano SPD system (The SPD Pedals Cleats are Not included). To ride with normal shoes like sneakers on the Shimano clip-less pedals, the toe cages can also be used as a Shimano SPD-SL pedal plate adapter, easy and convenient! (The SPD-SL Cleats are not included). Patented design toe cages, PAT. 17/339, 910. GREAT FOR SPIN BIKES - These cages are made of enhanced engineering heavy-duty plastic which is specially designed for spin bikes with LOOK Delta, Shimano SPD & SPD-SL Compatible pedals. Just tighten and clip the toe cages with a range of different pedals and cleats, and you are ready to exercise with your sneakers or runners on your spin bikes with these multi-functional toe cages. Together, you can have more fun by sharing riding with your families or friends. PAT. 17/165, 840. This handy tool makes the experience for indoor exercise bike riders to take off the pedals' cages much smoother and safer. It will bring huge convenience if you share your spin bikes with someone who sticks with clip-less pedals. However, this tool is NOT COMPATIBLE with the Shimano SPD system though.