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 through 96 depending on the pitch. With certified 7075-T6 areo space grade aluminum Fill out the form below or call us toll free 877-851-2504 All sprockets will have standard lightening holes if possible unless you specify otherwise. All custom sprockets made to your specifications are non returnable *no exceptions*
392 McKinley Ln Crossville, TN. 38572 931-788-1617 Questions 931-788-1679 fax 877-851-2504 toll free orders 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