NEW SOUTHWEST SPEED 21 TOOTH FRONT COUNTERSHAFT HARLEY MOTORCYCLE SPROCKET FOR 530 CHAINS, 33 SPLINE, 1991-1992 HARLEY DAVIDSON SPORTSTER 5 SPEED, 1994-2007 BUELL BIKES, REPLACES OEM 3709-89 Brand New Southwest Speed Main Shaft Sprocket (SWS Part # 610-4781) For 530 Chains Fits: 1991 To 1992 Harley Davidson Sportster 5 Speed 1994 To 2006 Buell Replaces OEM Part Number 3709-89 Features: | * Material: High Quality Chromoly Steel With Electroless - Nickel Plating | * Inside Spline Count: 33 Spline | * Outside Tooth Count: 21 Tooth | * 23 Tooth Sprocket Pictured | * Center Hub Has An Offset Of 0.228"