Renthal Grooved Front Sprocket 420 Chain Pitch x 13 Teeth 258 420 13GP 2014 Honda TRX450R Product Details Product Line Wiseco Product Details Product Line Wiseco Piston Rings Part Number 9600ZVZ Fitment Type Model Size Specific Fitment Use Type Replaceent Part for Wiseco Aftermarket Piston Kit ONLY Unit Sale Qty Ring Kit for Single Piston Style ZVZ Style Rings Size Position Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Material Color Finish Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Overall Seat Width Overall Seat Length Piston Cylinder Size 96 2014 15 Polaris SwitchBack 800 Adventure Renthal off road front chainwheels are chosen by more factory motocross and supercross teams than any other chainwheel on the market today Grooved chain wheels have cut outs at the bottom of the tooth to allow the escape of mud that would otherwise be trapped between the chain wheel and the chain