Box Three P9 Groupset
Best dependable shifting for diverse riding conditions.
Upgrade your older 2x or 3x bike with this 9-speed groupset. It offers a wide gear range and a clutch derailleur for better chain control, making modern gearing accessible without breaking the bank.
$214.99
at
Family Bike Shop
More Three options
Who it's for
- Riders navigating diverse terrain and challenging ascents
- Mountain bikers needing swift gear changes on dynamic trails
- Budget-conscious riders seeking durable components for trail adventures
Who should skip it
- Performance-oriented riders prioritizing minimal bike weight for racing
- Experienced cyclists accustomed to ultra-smooth, high-precision gear changes
- Riders who prefer widespread parts availability and easy upgrade paths
Performance breakdown
Conversion Simplicity
Streamlines the complex process of ditching front derailleurs for modern setups.
Chain Retention
Limited Slip clutch technology keeps the chain secure on rough terrain.
Gearing Range
The 11-50T cassette offers impressive climbing capability for a nine-speed system.
Shifting Precision
Reliable indexing that handles daily trail riding with consistent, predictable feedback.
Component Durability
Robust steel construction stands up well to the rigors of mountain biking.
Maintenance Ease
Simple nine-speed architecture makes adjustments straightforward for the home mechanic.
Key Specs
Cassette Range
11-50T
Chainring Sizes
11-50T
Number of Speeds
9
Rear Derailleur Clutch
Yes
Chain Compatibility
Prime 9
Intended Use
2x/3x bike conversion
Main Component Material
Steel (cassette spiders)
Installation Required
Yes
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