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BOX Three Prime 9 eBike Cassette - 9-Speed 12-50t Black. The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently the larger ones are pinned to alloy spiders. It also features weight-reducing holes on the cogs.The Box Three Prime 9 offers ultra-wide ratio with consistent progressions
Prime 9 technology offers the same range as a 12-speed drivetrain with fewer gears to shift through
Fewer parts reduced weight and increased durability
Cogs pinned to lightweight spiders
Constructed using a standard freehub body (HG)
- TECH SPECS
| Cassette Body Type | Shimano/SRAM 8 9 10 Speed |
| Cassette Cogs | 12-14-16-18-22-28-34-42-50 |
| Color | Black |
| Defined Color | Black |
| Designed for ebike | Yes |
| Drivetrain Speeds | 9 |
| Range | 12-50 |