CNC Black Star 428 41 tooth Sprocket Brand New!! Never Been Used or Installed!! This item is made of high quality CNC ALLOY Should fit some Honda style XR CRF 50 70 or 70CC, 110CC, 125CC & 138CC and most Chinese pit bikes Please measure the eye to eye distance of your own sprocket to make sure this is the right upgrade for you. Some rims have different bolt pattern and may not fit! Specifications: 428 41 Tooth CNC Alloy Color: BLACK