| Sprocket Size | Tooth Count | Type | Outside Diameter | Stock Bore | (D) | Weight (LBS) |
|---|---|---|---|---|---|---|
| 180A11 | 11 | A | 9.010 | 1 -/2'' | 5-1/2'' | 14.0 |
| 180A12 | 12 | A | 9.750 | 1-1/2'' | 6'' | 16.0 |
| 180A13 | 13 | A | 10.480 | 1-1/2'' | 6-3/4'' | 20.0 |
| 180A14 | 14 | A | 11.210 | 1-1/2'' | 7 | 24.0 |
| 180A15 | 15 | A | 11.930 | 1-1/2'' | 7 | 28.0 |
| 180A16 | 16 | A | 12.660 | 1-1/2'' | 7 | 32.0 |
| 180A17 | 17 | A | 13.390 | 1-1/2'' | 7 | 37.0 |
| 180A18 | 18 | A | 14.110 | 1-1/2'' | 7 | 43.0 |
| 180A19 | 19 | A | 14.830 | 1-1/2'' | 7-1/2'' | 47.0 |
| 180A20 | 20 | A | 15.560 | 1-1/2'' | 7-1/2'' | 53.0 |
| 180A21 | 21 | A | 16.280 | 1-1/2'' | 7-1/2'' | 57.0 |
| 180A22 | 22 | A | 17.000 | 1-1/2'' | 7-1/2'' | 62.0 |
| 180A23 | 23 | A | 17.720 | 1 -1/2'' | 7-1/2'' | 69.0 |
| 180A24 | 24 | A | 18.440 | 1-1/2'' | 7-1/2'' | 77.0 |
| 180A25 | 25 | A | 19.160 | 1-1/2'' | 7-1/2'' | 84.0 |
| 180A28 | 28 | A | 21.320 | 1-1/2'' | 8 | 104.0 |
| 180A30 | 30 | A | 22.760 | 1-1/2'' | 8-1/2'' | 120.0 |
| 180A35 | 35 | A | 26.350 | 1-1/2'' | 8-1/2'' | 172.0 |
| 180A40 | 40 | A | 29.940 | 1-1/2'' | 8-1/2'' | 229.0 |
| 180A45 | 45 | A | 33.530 | 1-1/2'' | 9'' | 284.0 |
| 180A54 | 54 | A | 39.980 | 1-1/2'' | 9'' | 420.0 |
| 180A60 | 60 | A | 44.280 | 1 -1/2'' | 9-1/2'' | 505.0 |

| Sprocket Size | Tooth Count | Type | Outside Diameter | Stock Bore | Recommend Max. Bore | Hub Diameter | Length Thru Bore | Weight (LBS) |
|---|---|---|---|---|---|---|---|---|
| 180B11 | 11 | B | 9.010 | 1-1/2'' | 3-5/8'' | 5-1/2'' | 3'' | 29.0 |
| 180B12 | 12 | B | 9.750 | 1-1/2'' | 4'' | 6'' | 3'' | 32.0 |
| 180B13 | 13 | B | 10.480 | 1-1/2'' | 4-5/8'' | 6-3/4'' | 3-1/8'' | 40.0 |
| 180B14 | 14 | B | 11.210 | 1-1/2'' | 5-1/4'' | 7'' | 3-1/8'' | 44.0 |
| 180B15 | 15 | B | 11.930 | 1-1/2'' | 5-1/4'' | 7'' | 3-1/8'' | 48.0 |
| 180B16 | 16 | B | 12.660 | 1-1/2'' | 5-1/4'' | 7'' | 3-1/8'' | 52.0 |
| 180B17 | 17 | B | 13.390 | 1-1/2'' | 5-1/4'' | 7'' | 3-1/8'' | 58.0 |
| 180B18 | 18 | B | 14.110 | 1-1/2'' | 5-1/4'' | 7'' | 3-1/8'' | 63.0 |
| 180B19 | 19 | B | 14.830 | 1-1/2'' | 5-3/8'' | 7-1/2'' | 3-3/8'' | 74.0 |
| 180B20 | 20 | B | 15.560 | 1-1/2'' | 5-3/8'' | 7-1/2'' | 3-3/8'' | 81.0 |
| 180B21 | 21 | B | 16.280 | 1-1/2'' | 5-3/8'' | 7-1/2'' | 3-3/8'' | 83.0 |
| 180B22 | 22 | B | 17.000 | 1-1/2'' | 5-3/8'' | 7-1/2'' | 3-3/8'' | 92.0 |
| 180B23 | 23 | B | 17.720 | 1-1/2'' | 5-3/8'' | 7-1/2'' | 3-3/8'' | 99.0 |
| 180B24 | 24 | B | 18.440 | 1-1/2'' | 5-3/8'' | 7-1/2'' | 3-3/8'' | 105.0 |
| 180B25 | 25 | B | 19.160 | 1-1/2'' | 5-3/8'' | 7-1/2'' | 3-3/8'' | 113.0 |
| 180B28 | 28 | B | 21.320 | 1-1/2'' | 5-3/8'' | 8'' | 3-1/2'' | 135.0 |

| Sprocket Size | Tooth Count | Type | Outside Diameter | Stock Bore | Recommend Max. Bore | Hub Diameter | Length Thru Bore | Weight (LBS) |
|---|---|---|---|---|---|---|---|---|
| 180C30 | 30 | C | 22.760 | 1-1/2'' | 5 3/4'' | 8-1/2'' | 4-3/8'' | 180.0 |
| 180C35 | 35 | C | 26.350 | 1-1/2'' | 5 3/4'' | 8-1/2'' | 4-3/8'' | 222.0 |
| 180C40 | 40 | C | 29.940 | 1-1/2'' | 5 3/4'' | 8-1/2'' | 4-3/8'' | 270.0 |
| 180C45 | 45 | C | 33.530 | 1-1/2'' | '' | 9'' | 5'' | 315.0 |
| 180C54 | 54 | C | 39.980 | 1-1/2'' | 6'' | 9'' | 5'' | 477.0 |
| 180C60 | 60 | C | 44.280 | 1-1/2'' | 6 1/2'' | 9-1/2'' | 5-3/8'' | 489.0 |



Address
Luotuo Industrial Area, Zhenhai District, Ningbo City, China
Tel
