TC-Motor Red 15mm CNC Chain Adjuster Tensioner Alex Block For Chinese CRF50 90cc 125cc 140cc 150cc Pit Dirt Motor Bike Motorcycle Fits:Red 15mm Chain Adjuster Tensioner Alex Block For Chinese CRF50 90cc 125cc 140cc 150cc Pit Dirt Motor Bike Motorcycle Guaranteed Good Quality,Made From the Highest Quality Materials Available Always Responsible Customer Service Product Shipped From China Arrival Within 7-15 Business Days