Box Three Prime 9 9-Speed Cassette

The Box Three cassette draws from both its Box One and Box Two siblings to create a sensible all-rounder. All sprockets are stamped from steel and subsequently, the larger ones are pinned to steel spiders. The main difference here versus Box Two is the use of additional weight-reducing holes on the sprockets.

Technology

Prime 9

Prime 9 technology is a counter-intuitive philosophy based on the less is more theory. It embraces range wihtout adding complexity. The outcome is fewer parts, reduced weight, and increased durability.

Is Prime 9 Simpler?

• Same Range With Fewer Gears
• Ease of Set-up
• Wide Compatibility
• Less Maintenance
• Don’t Worry, All Bike Shops Are Familiar With 9 Speed Platforms!

Is Prime 9 More Durable?​

• Straighter Chain-line
• Unique 9-Speed Chain
• Single Shift Option (E-MTB)
• Fewer Gears (fewer shifts)
• ​Full Steel Cassette (all tiers)

Does Prime 9 Perform Better?

• Shifting Less Means Faster Riding
• Optimised Shift Ramps
• Consistent Gear Jumps
• Lightweight Cassette

Features

• Box's Best All-Rounder Cassette
• Steel Stamped Cogs
• Steel Stamped Spiders
• Ultra-Wide Ratio with Consistent Progression

Specification

• Process / Materials:
• Cogs: Stamped / Hardened Steel
• Spider: Stamped / Hardened Steel
• Lockring: CNC / Hardened Steel
• Speed: 9
• Gearing:
• [11-46T] 11 - 13 - 15 - 18 - 22 - 28 - 34 - 40 - 46
• [11-50T] 11 - 13 - 15 - 18 - 22 - 28 - 34 - 42 - 50
• Compatibility:
• Platform: Non E-Bike
• Driver: HG Freehub Body
• Chain:
• Box One Prime 9
• Box Two Prime 9
• Box Three Prime 9
• Weight:
• [11-46T] 565g/19.2oz
• [11-50T] 660g/23.2oz

Compatibility

• Box One Prime 9 Chain 126L DLC Black
• Box Two Prime 9 126 Link Chain Nickel
• Box Three Prime 9 126 Link Chain Polished
• Box One Prime 9 Rear Derailleur
• Box Two Prime 9 X-Wide Rear Derailleur
• Box Three Prime 9 X-Wide Rear Derailleur
• Box One Prime 9 Shifter
• Box Two Prime 9 Shifter
• Box Three Prime 9 Shifter