Peloton Bike Mat Dimensions The Peloton Bike mat is 36" x 72", which covers the entire area beneath your Bike. Related articles Using A Bike Mat Placing Your Peloton In Your Home Shoes That Work With The Peloton Bike What To Expect From The In-Home Delivery And Set Up Of Your Peloton Bike Casting Classes From Your Peloton Device To A Smart TV