Drum Riding Table Cycling Training Table Transmission Belt Roller Riding Platform Durable Thick Spare PU Belt Diameter 5MM Circumference 185 cmThe material is used high-quality power transmission rope. Mechanical fully automatic electric docking, high precision, good strength, no slipping, high work efficiency, and durable.Easy to install, suitable for most of roller tables. If it is not suitable,you can make a hot melt connection after cutting.(Overstriking, Suitable for high - intensity training)Material:PUcolour:greenPackage Contents:4 x Riding Platform BeltOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.