Welcome to our store Our heavy-duty exercise bike pedal features a 13.6mm spindle, ideal for use with any indoor or spinning bike, upright or recumbent. Ideal for use with home fitness equipment, it is also ideal for more demanding applications in fitness centers or commercial gymnasiums. Please check if the thread size is compatible before purchasing With a surface area of 13.6 x 10.8 x 5.3cm and a fully adjustable 30cm strap, the pedal provides stability and comfort regardless of shoe size. Each pedal is made of sturdy PP with long strips of high quality PVC. Each set contains a key tool that makes setup quick, easy, and hassle-free Designed for fitness enthusiasts: Our sport pedals feature sturdy non-slip straps that attach snugly to the shoe. Extra wide PVC strap for a comfortable fit and ultimate grip