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)
• Cassette Cogs: 12-14-16-18-22-28-34-42-50
• Color: Black
• Designed for ebike: Yes
• Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed
• Range: 12-50
• Drivetrain Speeds: 9
• Defined Color: Black