product Brake Drum for Select Yamaha & Columbia / Harley Davidson Models Item # 4261 Specifications:Brake DrumApproximate measurements: Inner Diameter: 6.28"W, Outer Diameter: 1.34"Brake Drum Fits the Following Gas & Electric Models:Harley-Davidson models 1986-1995Yamaha models 1982 & UpReplaces OEM Number(s):Harley: 41815-86Yamaha: J55-G6521-00Note: Break drums are sold individually. 2 are needed per cart. Find A Dealer