BOX

Two Prime 9 Chain - 144L

The BOX Two Prime 9 Chain - 144L delivers smooth, reliable shifting with the simplicity and durability riders crave. Designed around Prime 9 Technology, this chain pairs modern wide-range performance with classic 9-speed toughness—perfect for riders who prefer fewer gears and more riding. Whether tackling rough trails or grinding through daily miles, the wider build offers long-lasting strength without unnecessary complexity.

Engineered with a narrower inner width, this 9-speed chain mates seamlessly with most 10-, 11-, and 12-speed narrow-wide chainrings, as well as BMX 3/32" options. The result: crisp, consistent engagement across a wide range of setups, from aggressive trail rigs to urban commuters.

• Prime 9 Technology delivers a wide gear range without the extra fuss of higher-speed systems.
• Wider chain plates enhance durability and longevity for dependable performance in all conditions.
• Compatible with most 10-, 11-, and 12-speed narrow-wide chainrings, plus BMX 3/32" cogs.
• Optimized for smooth, quiet operation and precise shifting.

For riders who want less maintenance and more ride time, the BOX Two Prime 9 Chain is the clear choice for strength and simplicity that doesn’t compromise performance.