50 tooth 428 chain size 4 bolt rear sprocket sku 7560

Brand New Circle industries sprocket put it right on.  50 tooth 428 chain, 4 bolt mounting at 5.5 cm on center  round hole in middle is 5.8cm Please count  your number of sprocket teeth, and check your bolt pattern distances and center opening  These sprockets are new and within +- 2 teeth of specified OEM sprocket sizes from Reputable Sprocket Charts.    larger  number of teeth give you faster acceleration.  smaller number of teeth give you more top speed. Email me with any questions as products are not returnable