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| Manufacturer part # | SHDM30-BST-SH12 | SHDM32-BST-SH12 |
|---|---|---|
| Size | 30t, Direct mount | 32t, Direct mount |
| Teeth | 30t | 32t |
| BCD | Direct Mount | Direct Mount |
| Bolt pattern | Direct mount | Direct mount |
| Speed | 12 HG+ | 12 HG+ |
| Material | Aluminum | Aluminum |
| Weight | 55g | 60g |