Box Prime 9 Drivetrain – Simplicity Meets Performance

Experience the revolution in mountain biking with Box’s Prime 9 Technology, where efficiency and durability redefine gear shifting. Designed for trail riders and endurance cyclists, this 9-speed drivetrain delivers the range of a 12-speed system with unmatched reliability.

Why Choose Prime 9?

• Smoother Shifting: Fewer gears mean less complexity, reducing chain slap and missed shifts on technical trails.
• Enhanced Durability: A straighter chain path in low gears minimizes wear, extending the life of your chain, cassette, and chainring.
• Lightweight Design: Weighing just 1354g, it’s built for agility without sacrificing strength.
• Multi-Shift Precision: The 2-piece lever allows rapid 3-gear jumps, perfect for quick elevation changes.

Key Features

• Wide-Range Cassette (11-50T): Tackle steep climbs and fast descents effortlessly.
• Narrow/Wide Chainring Compatibility: Ensures secure chain retention on rough terrain.
• Low-Stretch Chain: Engineered to resist elongation, reducing maintenance over time.

Ideal For:

• Trail riders seeking reliability in variable conditions.
• Endurance cyclists prioritizing weight savings and longevity.
• Anyone tired of frequent drivetrain adjustments.

Less shifting. More riding. Prime 9 proves that simplicity wins on the trail.