Box Two Prime 9 Cassette
Best dependable drivetrain for riders prioritizing durability and value.
This drivetrain upgrade is built for riders who prioritize longevity and massive gear range over shaving grams. By combining steel durability with a clever alloy spider design, it handles the high torque of e-bikes effortlessly while keeping shifting crisp and consistent on standard HG hubs.
$103.99
More Two options
Who it's for
- Aggressive riders seeking a long-lasting, reliable drivetrain.
- Riders prioritizing ease of setup and minimal mechanical fuss.
- Mountain bikers needing versatile gearing for diverse trails.
Who should skip it
- Performance-oriented cyclists who demand precise cadence control.
- Weight-conscious racers or riders seeking the lightest possible setup.
- Riders planning future upgrades to cutting-edge drivetrain technology.
Performance breakdown
Durability
Steel construction handles high-torque eBike loads with impressive long-term resilience.
Gear Range
Wide 12-50T spread provides ample climbing gears for steep, technical terrain.
Shifting Precision
Prime 9 technology delivers reliable, consistent shifts across the entire cassette.
Weight Efficiency
Alloy spiders shave necessary weight without sacrificing critical structural integrity.
Installation Compatibility
Standard HG freehub compatibility makes upgrading older wheelsets incredibly straightforward.
eBike Readiness
Specifically engineered to withstand the extra power of modern electric drivetrains.
Key Specs
Material
Steel, Alloy
Intended Use
eBike
Shifting Technology
Prime 9
Largest Tooth
50
Smallest Tooth
11
Sprocket Count
9
Hub Compatibility
HG
Largest Cog Teeth
50
Smallest Cog Teeth
11
Cassette or Freewheel
Cassette
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