Seat post saddle for Bicycle:· Material: Alloy.· Outer Diameter: 27.2mm.· Setback: 20mm.· Length: 300mm.· Weight: 285gr. About Polo & BikeOriginality is created with quality as our contribution to your fun. Creativity and demand are our principles. Our products come with the intention of providing new ways of living. Polo & Bike is a new lifestyle, healthy and sporty. The versatility of our bikes are made to your needs and tastes. Our goal, your satisfaction. We provide a wide range of fixed gear and fixed bikes.