Parts list: № Number Qty Name Options 1 4028041 1 Gear 2 F40211 4 Ball Bearing 3 YZ280315 1 Gear (SUB FOR 4028050) Next page: ST34991 4028951 Gear and Bearing Group, .628:1 Ratio ST34994 4028952 Gear and Bearing Group, .56:1 Ratio ST34997 4028953 Gear and Bearing Group, .49:1 Ratio ST35000 4028954 Gear and Bearing Group, .43:1 Ratio ST35003 4028955 Gear and Bearing Group, .40:1 Ratio ST34985 4028949 Gear and Bearing Group, .89:1 Ratio ST34980 4028618 Gear and Bearing Group, 1.258:1 Ratio ST34977 4028435 Gear and Bearing Group, 3.118:1 Ratio ST34974 4028434 Gear and Bearing Group, 2.50:1 Ratio ST34971 4028433 Gear and Bearing Group, 2.333:1 Ratio