SunRace CSMZ903 Cassette - 12-Speed 11-51t Metallic Silver. The SunRace MZ 12-Speed Cassette offers a wide ratio design.
- TECH SPECS
| Cassette Cogs | 11-13-15-17-19-21-24-28-33-39-45-51 |
| Color | Metallic Silver |
| Cassette Body Type | Shimano/SRAM 8 9 10 Speed |
| Range | 11-51 |
| Drivetrain Speeds | 12 |
| Defined Color | Silver |
| Weight | 497 |