Peloton Black Red Cycling Shoe sz 39 US 8 LIKE NEW $125 Workout Bike Cycle. Comfortable indoor cycling shoes with a breathable upper and mesh vent on the base. Features a quick ratchet clip, plus hook and loop straps to adjust for the perfect fit. Sizes are European and US. Runs true to the size of your everyday shoe. If you fall between sizes or have a wider foot, its recommend sizing up.