We custom make rear aluminum sprockets in chain sizes 25, 35, 40, 415, 420, 428, 50, 520, 525, 530, 630 in tooth sizes from 10 thru 96 depending on the pitch. Call with your specifications for a lead time.
392 McKinley Ln Crossville, TN. 38572 931-788-1617 Questions 931-788-1679 fax Any Tooth Size 18-76 in 25-35-40-415-420-428-520-525-530-630 More chain sizes than ANY other Sprocket manufacturer! Made in the USA