Box Two Prime 9 Chain
Best durable drivetrain upgrade for cargo bikes and rugged BMX setups.
A robust 9-speed chain that prioritizes longevity through hardened pins and nickel plating. Its specialized link geometry ensures seamless compatibility with modern wide/narrow chainrings, making it a reliable upgrade for cargo and long-wheelbase setups.
$27.99
at
Champion Cycling
Who it's for
- Box Prime 9 drivetrain users seeking seamless, reliable gear changes
- Aggressive riders needing a chain that resists snapping under pressure
- Budget-conscious cyclists looking to minimize long-term drivetrain replacement costs
Who should skip it
- Cyclists mixing and matching components from different drivetrain manufacturers
- Weight-weenies prioritizing the lightest possible setup for their bike
- Home mechanics who frequently remove their chain for deep cleaning
Performance breakdown
Durability
Solid pins and plates handle high-torque demands with impressive resilience.
Corrosion Resistance
Nickel plating effectively shields against rust in harsh, wet riding conditions.
Compatibility
Optimized link spacing integrates seamlessly with modern wide/narrow chainring setups.
Installation Ease
Included connecting link makes setup straightforward for home mechanics.
Versatility
Extra length easily accommodates cargo bikes and unique long-wheelbase geometries.
Shifting Precision
Chamfered edges ensure smooth, reliable gear changes across the cassette.
Key Specs
Speeds
9
Number of Links
126
Material
Nickel Plated Steel
Pin Type
Solid Pin
Finish
Nickel Plated
Intended Use
BMX, Cargo Bikes, Long Wheelbase Bikes
Corrosion Resistance
High
Quick Link Included
Yes
E-bike Compatible
Yes
Shifting System Compatibility
Prime 9
Know before you buy
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