Renthal Grooved Front Sprocket 520 Chain Pitch x 13 Teeth 497 520 13GP 2009 Yamaha TT R110E 1977 80 Yamaha IT250 1977 80 Yamaha IT250 Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Top End Gasket Kit Part Number W5119 Fitment Type Unit Sale Qty Each Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance FALSE Product Disclaimer Allowing the easy escape of the mud prevents tension being placed on the chain and the resulting accelerated wear Our Front chain wheels feature a specially developed nickel chrome molybdenum steel which is case hardened and core refined to give the ultimate combination of strength and hardness