[Size] Dimension: 36 x 36mm / 1.42" x 1.42" (L*Max.D); Inner Diameter: 8mm / 0.31". [Convenient to install] Easy to install but professional installation is recommended. Chain roller pulley slider complete with duty bearings ready to use.. [Necessary Function] The Pulley Wheel Roller can provide a smoother riding experience, which is useful, and a necessary accessory for motorcycles.. [Durable Material] Made of durable rubber and metal material, which is waterproof, hard resistant.. [Universal Fit] The chain roller guide is fit for most dirt pit bikes, street bikes, motorcycles, ATVs, off road vehicles, etc..
